diff options
Diffstat (limited to 'drivers')
63 files changed, 1411 insertions, 534 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 522ef9b4aff3..e83e4cd46968 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -123,6 +123,7 @@ gt-y += \ gt/intel_ring.o \ gt/intel_ring_submission.o \ gt/intel_rps.o \ + gt/intel_sa_media.o \ gt/intel_sseu.o \ gt/intel_sseu_debugfs.o \ gt/intel_timeline.o \ diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h index 1b88ea13435c..5a7a14e85c3f 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h @@ -12,8 +12,6 @@ struct drm_i915_private; struct drm_i915_gem_object; struct intel_memory_region; -extern const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops; - void __iomem * i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj, unsigned long n, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 3218981488cc..73d9eda1d6b7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -413,7 +413,7 @@ retry: vma->mmo = mmo; if (CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND) - intel_wakeref_auto(&to_gt(i915)->ggtt->userfault_wakeref, + intel_wakeref_auto(&to_gt(i915)->userfault_wakeref, msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)); if (write) { @@ -550,6 +550,20 @@ out: intel_runtime_pm_put(&i915->runtime_pm, wakeref); } +void i915_gem_object_runtime_pm_release_mmap_offset(struct drm_i915_gem_object *obj) +{ + struct ttm_buffer_object *bo = i915_gem_to_ttm(obj); + struct ttm_device *bdev = bo->bdev; + + drm_vma_node_unmap(&bo->base.vma_node, bdev->dev_mapping); + + if (obj->userfault_count) { + /* rpm wakeref provide exclusive access */ + list_del(&obj->userfault_link); + obj->userfault_count = 0; + } +} + void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj) { struct i915_mmap_offset *mmo, *mn; @@ -573,6 +587,13 @@ void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj) spin_lock(&obj->mmo.lock); } spin_unlock(&obj->mmo.lock); + + if (obj->userfault_count) { + mutex_lock(&to_gt(to_i915(obj->base.dev))->lmem_userfault_lock); + list_del(&obj->userfault_link); + mutex_unlock(&to_gt(to_i915(obj->base.dev))->lmem_userfault_lock); + obj->userfault_count = 0; + } } static struct i915_mmap_offset * diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.h b/drivers/gpu/drm/i915/gem/i915_gem_mman.h index efee9e0d2508..1fa91b3033b3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.h @@ -27,6 +27,7 @@ int i915_gem_dumb_mmap_offset(struct drm_file *file_priv, void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj); void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj); +void i915_gem_object_runtime_pm_release_mmap_offset(struct drm_i915_gem_object *obj); void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj); #endif diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c index 85482a04d158..7ff9c7877bec 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c @@ -238,7 +238,7 @@ static void __i915_gem_object_free_mmaps(struct drm_i915_gem_object *obj) { /* Skip serialisation and waking the device if known to be not used. */ - if (obj->userfault_count) + if (obj->userfault_count && !IS_DGFX(to_i915(obj->base.dev))) i915_gem_object_release_mmap_gtt(obj); if (!RB_EMPTY_ROOT(&obj->mmo.offsets)) { diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h index 9f6b14ec189a..40305e2bcd49 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h @@ -298,7 +298,8 @@ struct drm_i915_gem_object { }; /** - * Whether the object is currently in the GGTT mmap. + * Whether the object is currently in the GGTT or any other supported + * fake offset mmap backed by lmem. */ unsigned int userfault_count; struct list_head userfault_link; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_pm.c index 00359ec9d58b..3428f735e786 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_pm.c @@ -24,7 +24,7 @@ void i915_gem_suspend(struct drm_i915_private *i915) { GEM_TRACE("%s\n", dev_name(i915->drm.dev)); - intel_wakeref_auto(&to_gt(i915)->ggtt->userfault_wakeref, 0); + intel_wakeref_auto(&to_gt(i915)->userfault_wakeref, 0); flush_workqueue(i915->wq); /* diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c index 4f4c9461a23b..acc561c0f0aa 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c @@ -430,48 +430,29 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem) reserved_base = stolen_top; reserved_size = 0; - switch (GRAPHICS_VER(i915)) { - case 2: - case 3: - break; - case 4: - if (!IS_G4X(i915)) - break; - fallthrough; - case 5: - g4x_get_stolen_reserved(i915, uncore, + if (GRAPHICS_VER(i915) >= 11) { + icl_get_stolen_reserved(i915, uncore, &reserved_base, &reserved_size); - break; - case 6: - gen6_get_stolen_reserved(i915, uncore, - &reserved_base, &reserved_size); - break; - case 7: - if (IS_VALLEYVIEW(i915)) - vlv_get_stolen_reserved(i915, uncore, - &reserved_base, &reserved_size); - else - gen7_get_stolen_reserved(i915, uncore, - &reserved_base, &reserved_size); - break; - case 8: - case 9: + } else if (GRAPHICS_VER(i915) >= 8) { if (IS_LP(i915)) chv_get_stolen_reserved(i915, uncore, &reserved_base, &reserved_size); else bdw_get_stolen_reserved(i915, uncore, &reserved_base, &reserved_size); - break; - default: - MISSING_CASE(GRAPHICS_VER(i915)); - fallthrough; - case 11: - case 12: - icl_get_stolen_reserved(i915, uncore, - &reserved_base, - &reserved_size); - break; + } else if (GRAPHICS_VER(i915) >= 7) { + if (IS_VALLEYVIEW(i915)) + vlv_get_stolen_reserved(i915, uncore, + &reserved_base, &reserved_size); + else + gen7_get_stolen_reserved(i915, uncore, + &reserved_base, &reserved_size); + } else if (GRAPHICS_VER(i915) >= 6) { + gen6_get_stolen_reserved(i915, uncore, + &reserved_base, &reserved_size); + } else if (GRAPHICS_VER(i915) >= 5 || IS_G4X(i915)) { + g4x_get_stolen_reserved(i915, uncore, + &reserved_base, &reserved_size); } /* diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c index f64a3deb12fc..0544b0a4a43a 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c @@ -509,9 +509,18 @@ static int i915_ttm_shrink(struct drm_i915_gem_object *obj, unsigned int flags) static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo) { struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo); + intel_wakeref_t wakeref = 0; if (likely(obj)) { + /* ttm_bo_release() already has dma_resv_lock */ + if (i915_ttm_cpu_maps_iomem(bo->resource)) + wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm); + __i915_gem_object_pages_fini(obj); + + if (wakeref) + intel_runtime_pm_put(&to_i915(obj->base.dev)->runtime_pm, wakeref); + i915_ttm_free_cached_io_rsgt(obj); } } @@ -981,6 +990,7 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) struct ttm_buffer_object *bo = area->vm_private_data; struct drm_device *dev = bo->base.dev; struct drm_i915_gem_object *obj; + intel_wakeref_t wakeref = 0; vm_fault_t ret; int idx; @@ -1002,6 +1012,9 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) return VM_FAULT_SIGBUS; } + if (i915_ttm_cpu_maps_iomem(bo->resource)) + wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm); + if (!i915_ttm_resource_mappable(bo->resource)) { int err = -ENODEV; int i; @@ -1023,7 +1036,8 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) if (err) { drm_dbg(dev, "Unable to make resource CPU accessible\n"); dma_resv_unlock(bo->base.resv); - return VM_FAULT_SIGBUS; + ret = VM_FAULT_SIGBUS; + goto out_rpm; } } @@ -1034,12 +1048,30 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf) } else { ret = ttm_bo_vm_dummy_page(vmf, vmf->vma->vm_page_prot); } + if (ret == VM_FAULT_RETRY && !(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) - return ret; + goto out_rpm; + + /* ttm_bo_vm_reserve() already has dma_resv_lock */ + if (ret == VM_FAULT_NOPAGE && wakeref && !obj->userfault_count) { + obj->userfault_count = 1; + mutex_lock(&to_gt(to_i915(obj->base.dev))->lmem_userfault_lock); + list_add(&obj->userfault_link, &to_gt(to_i915(obj->base.dev))->lmem_userfault_list); + mutex_unlock(&to_gt(to_i915(obj->base.dev))->lmem_userfault_lock); + } + + if (wakeref & CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND) + intel_wakeref_auto(&to_gt(to_i915(obj->base.dev))->userfault_wakeref, + msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)); i915_ttm_adjust_lru(obj); dma_resv_unlock(bo->base.resv); + +out_rpm: + if (wakeref) + intel_runtime_pm_put(&to_i915(obj->base.dev)->runtime_pm, wakeref); + return ret; } diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 98645797962f..e49fa6fa6aee 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -165,10 +165,12 @@ static u32 preparser_disable(bool state) return MI_ARB_CHECK | 1 << 8 | state; } -u32 *gen12_emit_aux_table_inv(u32 *cs, const i915_reg_t inv_reg) +u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, u32 *cs, const i915_reg_t inv_reg) { + u32 gsi_offset = gt->uncore->gsi_offset; + *cs++ = MI_LOAD_REGISTER_IMM(1) | MI_LRI_MMIO_REMAP_EN; - *cs++ = i915_mmio_reg_offset(inv_reg); + *cs++ = i915_mmio_reg_offset(inv_reg) + gsi_offset; *cs++ = AUX_INV; *cs++ = MI_NOOP; @@ -254,7 +256,8 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) if (!HAS_FLAT_CCS(rq->engine->i915)) { /* hsdes: 1809175790 */ - cs = gen12_emit_aux_table_inv(cs, GEN12_GFX_CCS_AUX_NV); + cs = gen12_emit_aux_table_inv(rq->engine->gt, + cs, GEN12_GFX_CCS_AUX_NV); } *cs++ = preparser_disable(false); @@ -313,9 +316,11 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode) if (aux_inv) { /* hsdes: 1809175790 */ if (rq->engine->class == VIDEO_DECODE_CLASS) - cs = gen12_emit_aux_table_inv(cs, GEN12_VD0_AUX_NV); + cs = gen12_emit_aux_table_inv(rq->engine->gt, + cs, GEN12_VD0_AUX_NV); else - cs = gen12_emit_aux_table_inv(cs, GEN12_VE0_AUX_NV); + cs = gen12_emit_aux_table_inv(rq->engine->gt, + cs, GEN12_VE0_AUX_NV); } if (mode & EMIT_INVALIDATE) diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.h b/drivers/gpu/drm/i915/gt/gen8_engine_cs.h index 32e3d2b831bb..e4d24c811dd6 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.h +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.h @@ -13,6 +13,7 @@ #include "intel_gt_regs.h" #include "intel_gpu_commands.h" +struct intel_gt; struct i915_request; int gen8_emit_flush_rcs(struct i915_request *rq, u32 mode); @@ -45,7 +46,7 @@ u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs); u32 *gen11_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs); u32 *gen12_emit_fini_breadcrumb_rcs(struct i915_request *rq, u32 *cs); -u32 *gen12_emit_aux_table_inv(u32 *cs, const i915_reg_t inv_reg); +u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, u32 *cs, const i915_reg_t inv_reg); static inline u32 * __gen8_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c index 275ad72940c1..1f7188129cd1 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -654,16 +654,83 @@ bool gen11_vdbox_has_sfc(struct intel_gt *gt, */ if ((gt->info.sfc_mask & BIT(physical_vdbox / 2)) == 0) return false; - else if (GRAPHICS_VER(i915) == 12) + else if (MEDIA_VER(i915) >= 12) return (physical_vdbox % 2 == 0) || !(BIT(physical_vdbox - 1) & vdbox_mask); - else if (GRAPHICS_VER(i915) == 11) + else if (MEDIA_VER(i915) == 11) return logical_vdbox % 2 == 0; - MISSING_CASE(GRAPHICS_VER(i915)); return false; } +static void engine_mask_apply_media_fuses(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + unsigned int logical_vdbox = 0; + unsigned int i; + u32 media_fuse, fuse1; + u16 vdbox_mask; + u16 vebox_mask; + + if (MEDIA_VER(gt->i915) < 11) + return; + + /* + * On newer platforms the fusing register is called 'enable' and has + * enable semantics, while on older platforms it is called 'disable' + * and bits have disable semantices. + */ + media_fuse = intel_uncore_read(gt->uncore, GEN11_GT_VEBOX_VDBOX_DISABLE); + if (MEDIA_VER_FULL(i915) < IP_VER(12, 50)) + media_fuse = ~media_fuse; + + vdbox_mask = media_fuse & GEN11_GT_VDBOX_DISABLE_MASK; + vebox_mask = (media_fuse & GEN11_GT_VEBOX_DISABLE_MASK) >> + GEN11_GT_VEBOX_DISABLE_SHIFT; + + if (MEDIA_VER_FULL(i915) >= IP_VER(12, 50)) { + fuse1 = intel_uncore_read(gt->uncore, HSW_PAVP_FUSE1); + gt->info.sfc_mask = REG_FIELD_GET(XEHP_SFC_ENABLE_MASK, fuse1); + } else { + gt->info.sfc_mask = ~0; + } + + for (i = 0; i < I915_MAX_VCS; i++) { + if (!HAS_ENGINE(gt, _VCS(i))) { + vdbox_mask &= ~BIT(i); + continue; + } + + if (!(BIT(i) & vdbox_mask)) { + gt->info.engine_mask &= ~BIT(_VCS(i)); + drm_dbg(&i915->drm, "vcs%u fused off\n", i); + continue; + } + + if (gen11_vdbox_has_sfc(gt, i, logical_vdbox, vdbox_mask)) + gt->info.vdbox_sfc_access |= BIT(i); + logical_vdbox++; + } + drm_dbg(&i915->drm, "vdbox enable: %04x, instances: %04lx\n", + vdbox_mask, VDBOX_MASK(gt)); + GEM_BUG_ON(vdbox_mask != VDBOX_MASK(gt)); + + for (i = 0; i < I915_MAX_VECS; i++) { + if (!HAS_ENGINE(gt, _VECS(i))) { + vebox_mask &= ~BIT(i); + continue; + } + + if (!(BIT(i) & vebox_mask)) { + gt->info.engine_mask &= ~BIT(_VECS(i)); + drm_dbg(&i915->drm, "vecs%u fused off\n", i); + } + } + drm_dbg(&i915->drm, "vebox enable: %04x, instances: %04lx\n", + vebox_mask, VEBOX_MASK(gt)); + GEM_BUG_ON(vebox_mask != VEBOX_MASK(gt)); +} + static void engine_mask_apply_compute_fuses(struct intel_gt *gt) { struct drm_i915_private *i915 = gt->i915; @@ -672,6 +739,9 @@ static void engine_mask_apply_compute_fuses(struct intel_gt *gt) unsigned long ccs_mask; unsigned int i; + if (GRAPHICS_VER(i915) < 11) + return; + if (hweight32(CCS_MASK(gt)) <= 1) return; @@ -694,6 +764,10 @@ static void engine_mask_apply_copy_fuses(struct intel_gt *gt) unsigned long meml3_mask; unsigned long quad; + if (!(GRAPHICS_VER_FULL(i915) >= IP_VER(12, 60) && + GRAPHICS_VER_FULL(i915) < IP_VER(12, 70))) + return; + meml3_mask = intel_uncore_read(gt->uncore, GEN10_MIRROR_FUSE3); meml3_mask = REG_FIELD_GET(GEN12_MEML3_EN_MASK, meml3_mask); @@ -727,75 +801,11 @@ static void engine_mask_apply_copy_fuses(struct intel_gt *gt) */ static intel_engine_mask_t init_engine_mask(struct intel_gt *gt) { - struct drm_i915_private *i915 = gt->i915; struct intel_gt_info *info = >->info; - struct intel_uncore *uncore = gt->uncore; - unsigned int logical_vdbox = 0; - unsigned int i; - u32 media_fuse, fuse1; - u16 vdbox_mask; - u16 vebox_mask; - - info->engine_mask = RUNTIME_INFO(i915)->platform_engine_mask; - - if (GRAPHICS_VER(i915) < 11) - return info->engine_mask; - /* - * On newer platforms the fusing register is called 'enable' and has - * enable semantics, while on older platforms it is called 'disable' - * and bits have disable semantices. - */ - media_fuse = intel_uncore_read(uncore, GEN11_GT_VEBOX_VDBOX_DISABLE); - if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 50)) - media_fuse = ~media_fuse; - - vdbox_mask = media_fuse & GEN11_GT_VDBOX_DISABLE_MASK; - vebox_mask = (media_fuse & GEN11_GT_VEBOX_DISABLE_MASK) >> - GEN11_GT_VEBOX_DISABLE_SHIFT; - - if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50)) { - fuse1 = intel_uncore_read(uncore, HSW_PAVP_FUSE1); - gt->info.sfc_mask = REG_FIELD_GET(XEHP_SFC_ENABLE_MASK, fuse1); - } else { - gt->info.sfc_mask = ~0; - } - - for (i = 0; i < I915_MAX_VCS; i++) { - if (!HAS_ENGINE(gt, _VCS(i))) { - vdbox_mask &= ~BIT(i); - continue; - } - - if (!(BIT(i) & vdbox_mask)) { - info->engine_mask &= ~BIT(_VCS(i)); - drm_dbg(&i915->drm, "vcs%u fused off\n", i); - continue; - } - - if (gen11_vdbox_has_sfc(gt, i, logical_vdbox, vdbox_mask)) - gt->info.vdbox_sfc_access |= BIT(i); - logical_vdbox++; - } - drm_dbg(&i915->drm, "vdbox enable: %04x, instances: %04lx\n", - vdbox_mask, VDBOX_MASK(gt)); - GEM_BUG_ON(vdbox_mask != VDBOX_MASK(gt)); - - for (i = 0; i < I915_MAX_VECS; i++) { - if (!HAS_ENGINE(gt, _VECS(i))) { - vebox_mask &= ~BIT(i); - continue; - } - - if (!(BIT(i) & vebox_mask)) { - info->engine_mask &= ~BIT(_VECS(i)); - drm_dbg(&i915->drm, "vecs%u fused off\n", i); - } - } - drm_dbg(&i915->drm, "vebox enable: %04x, instances: %04lx\n", - vebox_mask, VEBOX_MASK(gt)); - GEM_BUG_ON(vebox_mask != VEBOX_MASK(gt)); + GEM_BUG_ON(!info->engine_mask); + engine_mask_apply_media_fuses(gt); engine_mask_apply_compute_fuses(gt); engine_mask_apply_copy_fuses(gt); @@ -1688,9 +1698,9 @@ bool intel_engine_irq_enable(struct intel_engine_cs *engine) return false; /* Caller disables interrupts */ - spin_lock(&engine->gt->irq_lock); + spin_lock(engine->gt->irq_lock); engine->irq_enable(engine); - spin_unlock(&engine->gt->irq_lock); + spin_unlock(engine->gt->irq_lock); return true; } @@ -1701,9 +1711,9 @@ void intel_engine_irq_disable(struct intel_engine_cs *engine) return; /* Caller disables interrupts */ - spin_lock(&engine->gt->irq_lock); + spin_lock(engine->gt->irq_lock); engine->irq_disable(engine); - spin_unlock(&engine->gt->irq_lock); + spin_unlock(engine->gt->irq_lock); } void intel_engines_reset_default_submission(struct intel_gt *gt) diff --git a/drivers/gpu/drm/i915/gt/intel_engine_regs.h b/drivers/gpu/drm/i915/gt/intel_engine_regs.h index 889f0df3940b..fe1a0d5fd4b1 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_engine_regs.h @@ -110,6 +110,7 @@ #define RING_SBBSTATE(base) _MMIO((base) + 0x118) /* hsw+ */ #define RING_SBBADDR_UDW(base) _MMIO((base) + 0x11c) /* gen8+ */ #define RING_BBADDR(base) _MMIO((base) + 0x140) +#define RING_BB_OFFSET(base) _MMIO((base) + 0x158) #define RING_BBADDR_UDW(base) _MMIO((base) + 0x168) /* gen8+ */ #define CCID(base) _MMIO((base) + 0x180) #define CCID_EN BIT(0) diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c index cf4a326f5f48..ea775e601686 100644 --- a/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c +++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c @@ -842,7 +842,6 @@ void intel_ggtt_init_fences(struct i915_ggtt *ggtt) INIT_LIST_HEAD(&ggtt->fence_list); INIT_LIST_HEAD(&ggtt->userfault_list); - intel_wakeref_auto_init(&ggtt->userfault_wakeref, uncore->rpm); detect_bit_6_swizzle(ggtt); diff --git a/drivers/gpu/drm/i915/gt/intel_gsc.c b/drivers/gpu/drm/i915/gt/intel_gsc.c index 0e494028b81d..7af6db3194dd 100644 --- a/drivers/gpu/drm/i915/gt/intel_gsc.c +++ b/drivers/gpu/drm/i915/gt/intel_gsc.c @@ -7,6 +7,7 @@ #include <linux/mei_aux.h> #include "i915_drv.h" #include "i915_reg.h" +#include "gem/i915_gem_region.h" #include "gt/intel_gsc.h" #include "gt/intel_gt.h" @@ -36,10 +37,56 @@ static int gsc_irq_init(int irq) return irq_set_chip_data(irq, NULL); } +static int +gsc_ext_om_alloc(struct intel_gsc *gsc, struct intel_gsc_intf *intf, size_t size) +{ + struct intel_gt *gt = gsc_to_gt(gsc); + struct drm_i915_gem_object *obj; + int err; + + obj = i915_gem_object_create_lmem(gt->i915, size, + I915_BO_ALLOC_CONTIGUOUS | + I915_BO_ALLOC_CPU_CLEAR); + if (IS_ERR(obj)) { + drm_err(>->i915->drm, "Failed to allocate gsc memory\n"); + return PTR_ERR(obj); + } + + err = i915_gem_object_pin_pages_unlocked(obj); + if (err) { + drm_err(>->i915->drm, "Failed to pin pages for gsc memory\n"); + goto out_put; + } + + intf->gem_obj = obj; + + return 0; + +out_put: + i915_gem_object_put(obj); + return err; +} + +static void gsc_ext_om_destroy(struct intel_gsc_intf *intf) +{ + struct drm_i915_gem_object *obj = fetch_and_zero(&intf->gem_obj); + + if (!obj) + return; + + if (i915_gem_object_has_pinned_pages(obj)) + i915_gem_object_unpin_pages(obj); + + i915_gem_object_put(obj); +} + struct gsc_def { const char *name; unsigned long bar; size_t bar_size; + bool use_polling; + bool slow_firmware; + size_t lmem_size; }; /* gsc resources and definitions (HECI1 and HECI2) */ @@ -54,11 +101,25 @@ static const struct gsc_def gsc_def_dg1[] = { } }; +static const struct gsc_def gsc_def_xehpsdv[] = { + { + /* HECI1 not enabled on the device. */ + }, + { + .name = "mei-gscfi", + .bar = DG1_GSC_HECI2_BASE, + .bar_size = GSC_BAR_LENGTH, + .use_polling = true, + .slow_firmware = true, + } +}; + static const struct gsc_def gsc_def_dg2[] = { { .name = "mei-gsc", .bar = DG2_GSC_HECI1_BASE, .bar_size = GSC_BAR_LENGTH, + .lmem_size = SZ_4M, }, { .name = "mei-gscfi", @@ -75,26 +136,32 @@ static void gsc_release_dev(struct device *dev) kfree(adev); } -static void gsc_destroy_one(struct intel_gsc_intf *intf) +static void gsc_destroy_one(struct drm_i915_private *i915, + struct intel_gsc *gsc, unsigned int intf_id) { + struct intel_gsc_intf *intf = &gsc->intf[intf_id]; + if (intf->adev) { auxiliary_device_delete(&intf->adev->aux_dev); auxiliary_device_uninit(&intf->adev->aux_dev); intf->adev = NULL; } + if (intf->irq >= 0) irq_free_desc(intf->irq); intf->irq = -1; + + gsc_ext_om_destroy(intf); } -static void gsc_init_one(struct drm_i915_private *i915, - struct intel_gsc_intf *intf, +static void gsc_init_one(struct drm_i915_private *i915, struct intel_gsc *gsc, unsigned int intf_id) { struct pci_dev *pdev = to_pci_dev(i915->drm.dev); struct mei_aux_device *adev; struct auxiliary_device *aux_dev; const struct gsc_def *def; + struct intel_gsc_intf *intf = &gsc->intf[intf_id]; int ret; intf->irq = -1; @@ -105,6 +172,8 @@ static void gsc_init_one(struct drm_i915_private *i915, if (IS_DG1(i915)) { def = &gsc_def_dg1[intf_id]; + } else if (IS_XEHPSDV(i915)) { + def = &gsc_def_xehpsdv[intf_id]; } else if (IS_DG2(i915)) { def = &gsc_def_dg2[intf_id]; } else { @@ -117,10 +186,14 @@ static void gsc_init_one(struct drm_i915_private *i915, return; } + /* skip irq initialization */ + if (def->use_polling) + goto add_device; + intf->irq = irq_alloc_desc(0); if (intf->irq < 0) { drm_err(&i915->drm, "gsc irq error %d\n", intf->irq); - return; + goto fail; } ret = gsc_irq_init(intf->irq); @@ -129,16 +202,31 @@ static void gsc_init_one(struct drm_i915_private *i915, goto fail; } +add_device: adev = kzalloc(sizeof(*adev), GFP_KERNEL); if (!adev) goto fail; + if (def->lmem_size) { + drm_dbg(&i915->drm, "setting up GSC lmem\n"); + + if (gsc_ext_om_alloc(gsc, intf, def->lmem_size)) { + drm_err(&i915->drm, "setting up gsc extended operational memory failed\n"); + kfree(adev); + goto fail; + } + + adev->ext_op_mem.start = i915_gem_object_get_dma_address(intf->gem_obj, 0); + adev->ext_op_mem.end = adev->ext_op_mem.start + def->lmem_size; + } + adev->irq = intf->irq; adev->bar.parent = &pdev->resource[0]; adev->bar.start = def->bar + pdev->resource[0].start; adev->bar.end = adev->bar.start + def->bar_size - 1; adev->bar.flags = IORESOURCE_MEM; adev->bar.desc = IORES_DESC_NONE; + adev->slow_firmware = def->slow_firmware; aux_dev = &adev->aux_dev; aux_dev->name = def->name; @@ -165,7 +253,7 @@ static void gsc_init_one(struct drm_i915_private *i915, return; fail: - gsc_destroy_one(intf); + gsc_destroy_one(i915, gsc, intf->id); } static void gsc_irq_handler(struct intel_gt *gt, unsigned int intf_id) @@ -182,10 +270,8 @@ static void gsc_irq_handler(struct intel_gt *gt, unsigned int intf_id) return; } - if (gt->gsc.intf[intf_id].irq < 0) { - drm_err_ratelimited(>->i915->drm, "GSC irq: irq not set"); + if (gt->gsc.intf[intf_id].irq < 0) return; - } ret = generic_handle_irq(gt->gsc.intf[intf_id].irq); if (ret) @@ -208,7 +294,7 @@ void intel_gsc_init(struct intel_gsc *gsc, struct drm_i915_private *i915) return; for (i = 0; i < INTEL_GSC_NUM_INTERFACES; i++) - gsc_init_one(i915, &gsc->intf[i], i); + gsc_init_one(i915, gsc, i); } void intel_gsc_fini(struct intel_gsc *gsc) @@ -220,5 +306,5 @@ void intel_gsc_fini(struct intel_gsc *gsc) return; for (i = 0; i < INTEL_GSC_NUM_INTERFACES; i++) - gsc_destroy_one(&gsc->intf[i]); + gsc_destroy_one(gt->i915, gsc, i); } diff --git a/drivers/gpu/drm/i915/gt/intel_gsc.h b/drivers/gpu/drm/i915/gt/intel_gsc.h index 68582f912b21..fcac1775e9c3 100644 --- a/drivers/gpu/drm/i915/gt/intel_gsc.h +++ b/drivers/gpu/drm/i915/gt/intel_gsc.h @@ -20,11 +20,14 @@ struct mei_aux_device; /** * struct intel_gsc - graphics security controller + * + * @gem_obj: scratch memory GSC operations * @intf : gsc interface */ struct intel_gsc { struct intel_gsc_intf { struct mei_aux_device *adev; + struct drm_i915_gem_object *gem_obj; int irq; unsigned int id; } intf[INTEL_GSC_NUM_INTERFACES]; diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index e4bac2431e41..d0b03a928b9a 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -31,14 +31,17 @@ #include "intel_rc6.h" #include "intel_renderstate.h" #include "intel_rps.h" +#include "intel_sa_media.h" #include "intel_gt_sysfs.h" #include "intel_uncore.h" #include "shmem_utils.h" -static void __intel_gt_init_early(struct intel_gt *gt) +void intel_gt_common_init_early(struct intel_gt *gt) { - spin_lock_init(>->irq_lock); + spin_lock_init(gt->irq_lock); + INIT_LIST_HEAD(>->lmem_userfault_list); + mutex_init(>->lmem_userfault_lock); INIT_LIST_HEAD(>->closed_vma); spin_lock_init(>->closed_lock); @@ -58,14 +61,19 @@ static void __intel_gt_init_early(struct intel_gt *gt) } /* Preliminary initialization of Tile 0 */ -void intel_root_gt_init_early(struct drm_i915_private *i915) +int intel_root_gt_init_early(struct drm_i915_private *i915) { struct intel_gt *gt = to_gt(i915); gt->i915 = i915; gt->uncore = &i915->uncore; + gt->irq_lock = drmm_kzalloc(&i915->drm, sizeof(*gt->irq_lock), GFP_KERNEL); + if (!gt->irq_lock) + return -ENOMEM; - __intel_gt_init_early(gt); + intel_gt_common_init_early(gt); + + return 0; } static int intel_gt_probe_lmem(struct intel_gt *gt) @@ -781,26 +789,25 @@ static int intel_gt_tile_setup(struct intel_gt *gt, phys_addr_t phys_addr) int ret; if (!gt_is_root(gt)) { - struct intel_uncore_mmio_debug *mmio_debug; struct intel_uncore *uncore; + spinlock_t *irq_lock; - uncore = kzalloc(sizeof(*uncore), GFP_KERNEL); + uncore = drmm_kzalloc(>->i915->drm, sizeof(*uncore), GFP_KERNEL); if (!uncore) return -ENOMEM; - mmio_debug = kzalloc(sizeof(*mmio_debug), GFP_KERNEL); - if (!mmio_debug) { - kfree(uncore); + irq_lock = drmm_kzalloc(>->i915->drm, sizeof(*irq_lock), GFP_KERNEL); + if (!irq_lock) return -ENOMEM; - } gt->uncore = uncore; - gt->uncore->debug = mmio_debug; + gt->irq_lock = irq_lock; - __intel_gt_init_early(gt); + intel_gt_common_init_early(gt); } intel_uncore_init_early(gt->uncore, gt); + intel_wakeref_auto_init(>->userfault_wakeref, gt->uncore->rpm); ret = intel_uncore_setup_mmio(gt->uncore, phys_addr); if (ret) @@ -811,24 +818,14 @@ static int intel_gt_tile_setup(struct intel_gt *gt, phys_addr_t phys_addr) return 0; } -static void -intel_gt_tile_cleanup(struct intel_gt *gt) -{ - intel_uncore_cleanup_mmio(gt->uncore); - - if (!gt_is_root(gt)) { - kfree(gt->uncore->debug); - kfree(gt->uncore); - kfree(gt); - } -} - int intel_gt_probe_all(struct drm_i915_private *i915) { struct pci_dev *pdev = to_pci_dev(i915->drm.dev); struct intel_gt *gt = &i915->gt0; + const struct intel_gt_definition *gtdef; phys_addr_t phys_addr; unsigned int mmio_bar; + unsigned int i; int ret; mmio_bar = GRAPHICS_VER(i915) == 2 ? GEN2_GTTMMADR_BAR : GTTMMADR_BAR; @@ -839,14 +836,74 @@ int intel_gt_probe_all(struct drm_i915_private *i915) * and it has been already initialized early during probe * in i915_driver_probe() */ + gt->i915 = i915; + gt->name = "Primary GT"; + gt->info.engine_mask = RUNTIME_INFO(i915)->platform_engine_mask; + + drm_dbg(&i915->drm, "Setting up %s\n", gt->name); ret = intel_gt_tile_setup(gt, phys_addr); if (ret) return ret; i915->gt[0] = gt; - /* TODO: add more tiles */ + if (!HAS_EXTRA_GT_LIST(i915)) + return 0; + + for (i = 1, gtdef = &INTEL_INFO(i915)->extra_gt_list[i - 1]; + gtdef->name != NULL; + i++, gtdef = &INTEL_INFO(i915)->extra_gt_list[i - 1]) { + gt = drmm_kzalloc(&i915->drm, sizeof(*gt), GFP_KERNEL); + if (!gt) { + ret = -ENOMEM; + goto err; + } + + gt->i915 = i915; + gt->name = gtdef->name; + gt->type = gtdef->type; + gt->info.engine_mask = gtdef->engine_mask; + gt->info.id = i; + + drm_dbg(&i915->drm, "Setting up %s\n", gt->name); + if (GEM_WARN_ON(range_overflows_t(resource_size_t, + gtdef->mapping_base, + SZ_16M, + pci_resource_len(pdev, mmio_bar)))) { + ret = -ENODEV; + goto err; + } + + switch (gtdef->type) { + case GT_TILE: + ret = intel_gt_tile_setup(gt, phys_addr + gtdef->mapping_base); + break; + + case GT_MEDIA: + ret = intel_sa_mediagt_setup(gt, phys_addr + gtdef->mapping_base, + gtdef->gsi_offset); + break; + + case GT_PRIMARY: + /* Primary GT should not appear in extra GT list */ + default: + MISSING_CASE(gtdef->type); + ret = -ENODEV; + } + + if (ret) + goto err; + + i915->gt[i] = gt; + } + return 0; + +err: + i915_probe_error(i915, "Failed to initialize %s! (%d)\n", gtdef->name, ret); + intel_gt_release_all(i915); + + return ret; } int intel_gt_tiles_init(struct drm_i915_private *i915) @@ -869,10 +926,8 @@ void intel_gt_release_all(struct drm_i915_private *i915) struct intel_gt *gt; unsigned int id; - for_each_gt(gt, i915, id) { - intel_gt_tile_cleanup(gt); + for_each_gt(gt, i915, id) i915->gt[id] = NULL; - } } void intel_gt_info_print(const struct intel_gt_info *info, diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h b/drivers/gpu/drm/i915/gt/intel_gt.h index 40b06adf509a..2ee582e287c8 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.h +++ b/drivers/gpu/drm/i915/gt/intel_gt.h @@ -44,7 +44,8 @@ static inline struct intel_gt *gsc_to_gt(struct intel_gsc *gsc) return container_of(gsc, struct intel_gt, gsc); } -void intel_root_gt_init_early(struct drm_i915_private *i915); +void intel_gt_common_init_early(struct intel_gt *gt); +int intel_root_gt_init_early(struct drm_i915_private *i915); int intel_gt_assign_ggtt(struct intel_gt *gt); int intel_gt_init_mmio(struct intel_gt *gt); int __must_check intel_gt_init_hw(struct intel_gt *gt); @@ -54,7 +55,6 @@ void intel_gt_driver_register(struct intel_gt *gt); void intel_gt_driver_unregister(struct intel_gt *gt); void intel_gt_driver_remove(struct intel_gt *gt); void intel_gt_driver_release(struct intel_gt *gt); - void intel_gt_driver_late_release_all(struct drm_i915_private *i915); int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout); diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c index d5d1b04dbcad..3f656d3dba9a 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c @@ -26,26 +26,6 @@ static u32 read_reference_ts_freq(struct intel_uncore *uncore) return base_freq + frac_freq; } -static u32 gen9_get_crystal_clock_freq(struct intel_uncore *uncore, - u32 rpm_config_reg) -{ - u32 f19_2_mhz = 19200000; - u32 f24_mhz = 24000000; - u32 crystal_clock = - (rpm_config_reg & GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK) >> - GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_SHIFT; - - switch (crystal_clock) { - case GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_19_2_MHZ: - return f19_2_mhz; - case GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_24_MHZ: - return f24_mhz; - default: - MISSING_CASE(crystal_clock); - return 0; - } -} - static u32 gen11_get_crystal_clock_freq(struct intel_uncore *uncore, u32 rpm_config_reg) { @@ -72,98 +52,106 @@ static u32 gen11_get_crystal_clock_freq(struct intel_uncore *uncore, } } -static u32 read_clock_frequency(struct intel_uncore *uncore) +static u32 gen11_read_clock_frequency(struct intel_uncore *uncore) { - u32 f12_5_mhz = 12500000; - u32 f19_2_mhz = 19200000; - u32 f24_mhz = 24000000; + u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE); + u32 freq = 0; + + /* + * Note that on gen11+, the clock frequency may be reconfigured. + * We do not, and we assume nobody else does. + * + * First figure out the reference frequency. There are 2 ways + * we can compute the frequency, either through the + * TIMESTAMP_OVERRIDE register or through RPM_CONFIG. CTC_MODE + * tells us which one we should use. + */ + if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) { + freq = read_reference_ts_freq(uncore); + } else { + u32 c0 = intel_uncore_read(uncore, RPM_CONFIG0); + + freq = gen11_get_crystal_clock_freq(uncore, c0); - if (GRAPHICS_VER(uncore->i915) <= 4) { - /* - * PRMs say: - * - * "The value in this register increments once every 16 - * hclks." (through the “Clocking Configuration” - * (“CLKCFG”) MCHBAR register) - */ - return RUNTIME_INFO(uncore->i915)->rawclk_freq * 1000 / 16; - } else if (GRAPHICS_VER(uncore->i915) <= 8) { /* - * PRMs say: - * - * "The PCU TSC counts 10ns increments; this timestamp - * reflects bits 38:3 of the TSC (i.e. 80ns granularity, - * rolling over every 1.5 hours). + * Now figure out how the command stream's timestamp + * register increments from this frequency (it might + * increment only every few clock cycle). */ - return f12_5_mhz; - } else if (GRAPHICS_VER(uncore->i915) <= 9) { - u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE); - u32 freq = 0; - - if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) { - freq = read_reference_ts_freq(uncore); - } else { - freq = IS_GEN9_LP(uncore->i915) ? f19_2_mhz : f24_mhz; - - /* - * Now figure out how the command stream's timestamp - * register increments from this frequency (it might - * increment only every few clock cycle). - */ - freq >>= 3 - ((ctc_reg & CTC_SHIFT_PARAMETER_MASK) >> - CTC_SHIFT_PARAMETER_SHIFT); - } - - return freq; - } else if (GRAPHICS_VER(uncore->i915) <= 12) { - u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE); - u32 freq = 0; + freq >>= 3 - ((c0 & GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK) >> + GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_SHIFT); + } + + return freq; +} + +static u32 gen9_read_clock_frequency(struct intel_uncore *uncore) +{ + u32 ctc_reg = intel_uncore_read(uncore, CTC_MODE); + u32 freq = 0; + + if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) { + freq = read_reference_ts_freq(uncore); + } else { + freq = IS_GEN9_LP(uncore->i915) ? 19200000 : 24000000; /* - * First figure out the reference frequency. There are 2 ways - * we can compute the frequency, either through the - * TIMESTAMP_OVERRIDE register or through RPM_CONFIG. CTC_MODE - * tells us which one we should use. + * Now figure out how the command stream's timestamp + * register increments from this frequency (it might + * increment only every few clock cycle). */ - if ((ctc_reg & CTC_SOURCE_PARAMETER_MASK) == CTC_SOURCE_DIVIDE_LOGIC) { - freq = read_reference_ts_freq(uncore); - } else { - u32 c0 = intel_uncore_read(uncore, RPM_CONFIG0); - - if (GRAPHICS_VER(uncore->i915) >= 11) - freq = gen11_get_crystal_clock_freq(uncore, c0); - else - freq = gen9_get_crystal_clock_freq(uncore, c0); - - /* - * Now figure out how the command stream's timestamp - * register increments from this frequency (it might - * increment only every few clock cycle). - */ - freq >>= 3 - ((c0 & GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK) >> - GEN10_RPM_CONFIG0_CTC_SHIFT_PARAMETER_SHIFT); - } - - return freq; + freq >>= 3 - ((ctc_reg & CTC_SHIFT_PARAMETER_MASK) >> + CTC_SHIFT_PARAMETER_SHIFT); } - MISSING_CASE("Unknown gen, unable to read command streamer timestamp frequency\n"); - return 0; + return freq; } -void intel_gt_init_clock_frequency(struct intel_gt *gt) +static u32 gen5_read_clock_frequency(struct intel_uncore *uncore) { /* - * Note that on gen11+, the clock frequency may be reconfigured. - * We do not, and we assume nobody else does. + * PRMs say: + * + * "The PCU TSC counts 10ns increments; this timestamp + * reflects bits 38:3 of the TSC (i.e. 80ns granularity, + * rolling over every 1.5 hours). + */ + return 12500000; +} + +static u32 gen2_read_clock_frequency(struct intel_uncore *uncore) +{ + /* + * PRMs say: + * + * "The value in this register increments once every 16 + * hclks." (through the “Clocking Configuration” + * (“CLKCFG”) MCHBAR register) */ + return RUNTIME_INFO(uncore->i915)->rawclk_freq * 1000 / 16; +} + +static u32 read_clock_frequency(struct intel_uncore *uncore) +{ + if (GRAPHICS_VER(uncore->i915) >= 11) + return gen11_read_clock_frequency(uncore); + else if (GRAPHICS_VER(uncore->i915) >= 9) + return gen9_read_clock_frequency(uncore); + else if (GRAPHICS_VER(uncore->i915) >= 5) + return gen5_read_clock_frequency(uncore); + else + return gen2_read_clock_frequency(uncore); +} + +void intel_gt_init_clock_frequency(struct intel_gt *gt) +{ gt->clock_frequency = read_clock_frequency(gt->uncore); - if (gt->clock_frequency) - gt->clock_period_ns = intel_gt_clock_interval_to_ns(gt, 1); /* Icelake appears to use another fixed frequency for CTX_TIMESTAMP */ if (GRAPHICS_VER(gt->i915) == 11) gt->clock_period_ns = NSEC_PER_SEC / 13750000; + else if (gt->clock_frequency) + gt->clock_period_ns = intel_gt_clock_interval_to_ns(gt, 1); GT_TRACE(gt, "Using clock frequency: %dkHz, period: %dns, wrap: %lldms\n", diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c index 3a72d4fd0214..f26882fdc24c 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c @@ -29,7 +29,7 @@ gen11_gt_engine_identity(struct intel_gt *gt, u32 timeout_ts; u32 ident; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); raw_reg_write(regs, GEN11_IIR_REG_SELECTOR(bank), BIT(bit)); @@ -59,11 +59,17 @@ static void gen11_other_irq_handler(struct intel_gt *gt, const u8 instance, const u16 iir) { + struct intel_gt *media_gt = gt->i915->media_gt; + if (instance == OTHER_GUC_INSTANCE) return guc_irq_handler(>->uc.guc, iir); + if (instance == OTHER_MEDIA_GUC_INSTANCE && media_gt) + return guc_irq_handler(&media_gt->uc.guc, iir); if (instance == OTHER_GTPM_INSTANCE) return gen11_rps_irq_handler(>->rps, iir); + if (instance == OTHER_MEDIA_GTPM_INSTANCE && media_gt) + return gen11_rps_irq_handler(&media_gt->rps, iir); if (instance == OTHER_KCR_INSTANCE) return intel_pxp_irq_handler(>->pxp, iir); @@ -81,6 +87,18 @@ gen11_engine_irq_handler(struct intel_gt *gt, const u8 class, { struct intel_engine_cs *engine; + /* + * Platforms with standalone media have their media engines in another + * GT. + */ + if (MEDIA_VER(gt->i915) >= 13 && + (class == VIDEO_DECODE_CLASS || class == VIDEO_ENHANCEMENT_CLASS)) { + if (!gt->i915->media_gt) + goto err; + + gt = gt->i915->media_gt; + } + if (instance <= MAX_ENGINE_INSTANCE) engine = gt->engine_class[class][instance]; else @@ -89,6 +107,7 @@ gen11_engine_irq_handler(struct intel_gt *gt, const u8 class, if (likely(engine)) return intel_engine_cs_irq(engine, iir); +err: WARN_ONCE(1, "unhandled engine interrupt class=0x%x, instance=0x%x\n", class, instance); } @@ -120,7 +139,7 @@ gen11_gt_bank_handler(struct intel_gt *gt, const unsigned int bank) unsigned long intr_dw; unsigned int bit; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); intr_dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); @@ -138,14 +157,14 @@ void gen11_gt_irq_handler(struct intel_gt *gt, const u32 master_ctl) { unsigned int bank; - spin_lock(>->irq_lock); + spin_lock(gt->irq_lock); for (bank = 0; bank < 2; bank++) { if (master_ctl & GEN11_GT_DW_IRQ(bank)) gen11_gt_bank_handler(gt, bank); } - spin_unlock(>->irq_lock); + spin_unlock(gt->irq_lock); } bool gen11_gt_reset_one_iir(struct intel_gt *gt, @@ -154,7 +173,7 @@ bool gen11_gt_reset_one_iir(struct intel_gt *gt, void __iomem * const regs = gt->uncore->regs; u32 dw; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); dw = raw_reg_read(regs, GEN11_GT_INTR_DW(bank)); if (dw & BIT(bit)) { @@ -310,9 +329,9 @@ static void gen7_parity_error_irq_handler(struct intel_gt *gt, u32 iir) if (!HAS_L3_DPF(gt->i915)) return; - spin_lock(>->irq_lock); + spin_lock(gt->irq_lock); gen5_gt_disable_irq(gt, GT_PARITY_ERROR(gt->i915)); - spin_unlock(>->irq_lock); + spin_unlock(gt->irq_lock); if (iir & GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1) gt->i915->l3_parity.which_slice |= 1 << 1; @@ -434,7 +453,7 @@ static void gen5_gt_update_irq(struct intel_gt *gt, u32 interrupt_mask, u32 enabled_irq_mask) { - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); GEM_BUG_ON(enabled_irq_mask & ~interrupt_mask); diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_pm_irq.c index 11060f5a4c89..52f2a28b2058 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_pm_irq.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm_irq.c @@ -37,7 +37,7 @@ static void gen6_gt_pm_update_irq(struct intel_gt *gt, WARN_ON(enabled_irq_mask & ~interrupt_mask); - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); new_val = gt->pm_imr; new_val &= ~interrupt_mask; @@ -64,7 +64,7 @@ void gen6_gt_pm_reset_iir(struct intel_gt *gt, u32 reset_mask) struct intel_uncore *uncore = gt->uncore; i915_reg_t reg = GRAPHICS_VER(gt->i915) >= 8 ? GEN8_GT_IIR(2) : GEN6_PMIIR; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); intel_uncore_write(uncore, reg, reset_mask); intel_uncore_write(uncore, reg, reset_mask); @@ -92,7 +92,7 @@ static void write_pm_ier(struct intel_gt *gt) void gen6_gt_pm_enable_irq(struct intel_gt *gt, u32 enable_mask) { - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); gt->pm_ier |= enable_mask; write_pm_ier(gt); @@ -101,7 +101,7 @@ void gen6_gt_pm_enable_irq(struct intel_gt *gt, u32 enable_mask) void gen6_gt_pm_disable_irq(struct intel_gt *gt, u32 disable_mask) { - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); gt->pm_ier &= ~disable_mask; gen6_gt_pm_mask_irq(gt, disable_mask); diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h index d414785003cc..2275ee47da95 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h @@ -1554,6 +1554,8 @@ #define OTHER_GTPM_INSTANCE 1 #define OTHER_KCR_INSTANCE 4 #define OTHER_GSC_INSTANCE 6 +#define OTHER_MEDIA_GUC_INSTANCE 16 +#define OTHER_MEDIA_GTPM_INSTANCE 17 #define GEN11_IIR_REG_SELECTOR(x) _MMIO(0x190070 + ((x) * 4)) @@ -1578,4 +1580,12 @@ #define GEN12_SFC_DONE(n) _MMIO(0x1cc000 + (n) * 0x1000) +/* + * Standalone Media's non-engine GT registers are located at their regular GT + * offsets plus 0x380000. This extra offset is stored inside the intel_uncore + * structure so that the existing code can be used for both GTs without + * modification. + */ +#define MTL_MEDIA_GSI_BASE 0x380000 + #endif /* __INTEL_GT_REGS__ */ diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h index 4d56f7d5a3be..f19c2de77ff6 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_types.h +++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h @@ -81,8 +81,17 @@ struct gt_defaults { u32 max_freq; }; +enum intel_gt_type { + GT_PRIMARY, + GT_TILE, + GT_MEDIA, +}; + struct intel_gt { struct drm_i915_private *i915; + const char *name; + enum intel_gt_type type; + struct intel_uncore *uncore; struct i915_ggtt *ggtt; @@ -132,6 +141,20 @@ struct intel_gt { struct intel_wakeref wakeref; atomic_t user_wakeref; + /** + * Protects access to lmem usefault list. + * It is required, if we are outside of the runtime suspend path, + * access to @lmem_userfault_list requires always first grabbing the + * runtime pm, to ensure we can't race against runtime suspend. + * Once we have that we also need to grab @lmem_userfault_lock, + * at which point we have exclusive access. + * The runtime suspend path is special since it doesn't really hold any locks, + * but instead has exclusive access by virtue of all other accesses requiring + * holding the runtime pm wakeref. + */ + struct mutex lmem_userfault_lock; + struct list_head lmem_userfault_list; + struct list_head closed_vma; spinlock_t closed_lock; /* guards the list of closed_vma */ @@ -147,6 +170,9 @@ struct intel_gt { */ intel_wakeref_t awake; + /* Manual runtime pm autosuspend delay for user GGTT/lmem mmaps */ + struct intel_wakeref_auto userfault_wakeref; + u32 clock_frequency; u32 clock_period_ns; @@ -154,7 +180,7 @@ struct intel_gt { struct intel_rc6 rc6; struct intel_rps rps; - spinlock_t irq_lock; + spinlock_t *irq_lock; u32 gt_imr; u32 pm_ier; u32 pm_imr; @@ -262,6 +288,14 @@ struct intel_gt { struct kobject *sysfs_defaults; }; +struct intel_gt_definition { + enum intel_gt_type type; + char *name; + u32 mapping_base; + u32 gsi_offset; + intel_engine_mask_t engine_mask; +}; + enum intel_gt_scratch_field { /* 8 bytes */ INTEL_GT_SCRATCH_FIELD_DEFAULT = 0, diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h index e639434e97fd..c0ca53cba9f0 100644 --- a/drivers/gpu/drm/i915/gt/intel_gtt.h +++ b/drivers/gpu/drm/i915/gt/intel_gtt.h @@ -386,9 +386,6 @@ struct i915_ggtt { */ struct list_head userfault_list; - /* Manual runtime pm autosuspend delay for user GGTT mmaps */ - struct intel_wakeref_auto userfault_wakeref; - struct mutex error_mutex; struct drm_mm_node error_capture; struct drm_mm_node uc_fw; diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 070cec4ff8a4..3955292483a6 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -662,6 +662,21 @@ static int lrc_ring_mi_mode(const struct intel_engine_cs *engine) return -1; } +static int lrc_ring_bb_offset(const struct intel_engine_cs *engine) +{ + if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50)) + return 0x80; + else if (GRAPHICS_VER(engine->i915) >= 12) + return 0x70; + else if (GRAPHICS_VER(engine->i915) >= 9) + return 0x64; + else if (GRAPHICS_VER(engine->i915) >= 8 && + engine->class == RENDER_CLASS) + return 0xc4; + else + return -1; +} + static int lrc_ring_gpr0(const struct intel_engine_cs *engine) { if (GRAPHICS_VER_FULL(engine->i915) >= IP_VER(12, 50)) @@ -768,6 +783,7 @@ static void init_common_regs(u32 * const regs, bool inhibit) { u32 ctl; + int loc; ctl = _MASKED_BIT_ENABLE(CTX_CTRL_INHIBIT_SYN_CTX_SWITCH); ctl |= _MASKED_BIT_DISABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT); @@ -779,6 +795,10 @@ static void init_common_regs(u32 * const regs, regs[CTX_CONTEXT_CONTROL] = ctl; regs[CTX_TIMESTAMP] = ce->stats.runtime.last; + + loc = lrc_ring_bb_offset(engine); + if (loc != -1) + regs[loc + 1] = 0; } static void init_wa_bb_regs(u32 * const regs, @@ -1278,7 +1298,8 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs) /* hsdes: 1809175790 */ if (!HAS_FLAT_CCS(ce->engine->i915)) - cs = gen12_emit_aux_table_inv(cs, GEN12_GFX_CCS_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_GFX_CCS_AUX_NV); /* Wa_16014892111 */ if (IS_DG2(ce->engine->i915)) @@ -1304,9 +1325,11 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs) /* hsdes: 1809175790 */ if (!HAS_FLAT_CCS(ce->engine->i915)) { if (ce->engine->class == VIDEO_DECODE_CLASS) - cs = gen12_emit_aux_table_inv(cs, GEN12_VD0_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_VD0_AUX_NV); else if (ce->engine->class == VIDEO_ENHANCEMENT_CLASS) - cs = gen12_emit_aux_table_inv(cs, GEN12_VE0_AUX_NV); + cs = gen12_emit_aux_table_inv(ce->engine->gt, + cs, GEN12_VE0_AUX_NV); } return cs; diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c index 6fadde4ee7bf..6b86250c31ab 100644 --- a/drivers/gpu/drm/i915/gt/intel_rps.c +++ b/drivers/gpu/drm/i915/gt/intel_rps.c @@ -194,9 +194,9 @@ static void rps_enable_interrupts(struct intel_rps *rps) rps_reset_ei(rps); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen6_gt_pm_enable_irq(gt, rps->pm_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); intel_uncore_write(gt->uncore, GEN6_PMINTRMSK, rps_pm_mask(rps, rps->last_freq)); @@ -217,14 +217,14 @@ static void rps_reset_interrupts(struct intel_rps *rps) { struct intel_gt *gt = rps_to_gt(rps); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); if (GRAPHICS_VER(gt->i915) >= 11) gen11_rps_reset_interrupts(rps); else gen6_rps_reset_interrupts(rps); rps->pm_iir = 0; - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static void rps_disable_interrupts(struct intel_rps *rps) @@ -234,9 +234,9 @@ static void rps_disable_interrupts(struct intel_rps *rps) intel_uncore_write(gt->uncore, GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u)); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen6_gt_pm_disable_irq(gt, GEN6_PM_RPS_EVENTS); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); intel_synchronize_irq(gt->i915); @@ -1797,10 +1797,10 @@ static void rps_work(struct work_struct *work) int new_freq, adj, min, max; u32 pm_iir = 0; - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); pm_iir = fetch_and_zero(&rps->pm_iir) & rps->pm_events; client_boost = atomic_read(&rps->num_waiters); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); /* Make sure we didn't queue anything we're not going to process. */ if (!pm_iir && !client_boost) @@ -1873,9 +1873,9 @@ static void rps_work(struct work_struct *work) mutex_unlock(&rps->lock); out: - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen6_gt_pm_unmask_irq(gt, rps->pm_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir) @@ -1883,7 +1883,7 @@ void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir) struct intel_gt *gt = rps_to_gt(rps); const u32 events = rps->pm_events & pm_iir; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); if (unlikely(!events)) return; @@ -1903,7 +1903,7 @@ void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir) events = pm_iir & rps->pm_events; if (events) { - spin_lock(>->irq_lock); + spin_lock(gt->irq_lock); GT_TRACE(gt, "irq events:%x\n", events); @@ -1911,7 +1911,7 @@ void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir) rps->pm_iir |= events; schedule_work(&rps->work); - spin_unlock(>->irq_lock); + spin_unlock(gt->irq_lock); } if (GRAPHICS_VER(gt->i915) >= 8) diff --git a/drivers/gpu/drm/i915/gt/intel_sa_media.c b/drivers/gpu/drm/i915/gt/intel_sa_media.c new file mode 100644 index 000000000000..e8f3d18c12b8 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_sa_media.c @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2021 Intel Corporation + */ + +#include <drm/drm_managed.h> + +#include "i915_drv.h" +#include "gt/intel_gt.h" +#include "gt/intel_sa_media.h" + +int intel_sa_mediagt_setup(struct intel_gt *gt, phys_addr_t phys_addr, + u32 gsi_offset) +{ + struct drm_i915_private *i915 = gt->i915; + struct intel_uncore *uncore; + + uncore = drmm_kzalloc(&i915->drm, sizeof(*uncore), GFP_KERNEL); + if (!uncore) + return -ENOMEM; + + uncore->gsi_offset = gsi_offset; + + gt->irq_lock = to_gt(i915)->irq_lock; + intel_gt_common_init_early(gt); + intel_uncore_init_early(uncore, gt); + + /* + * Standalone media shares the general MMIO space with the primary + * GT. We'll re-use the primary GT's mapping. + */ + uncore->regs = i915->uncore.regs; + if (drm_WARN_ON(&i915->drm, uncore->regs == NULL)) + return -EIO; + + gt->uncore = uncore; + gt->phys_addr = phys_addr; + + /* + * For current platforms we can assume there's only a single + * media GT and cache it for quick lookup. + */ + drm_WARN_ON(&i915->drm, i915->media_gt); + i915->media_gt = gt; + + return 0; +} diff --git a/drivers/gpu/drm/i915/gt/intel_sa_media.h b/drivers/gpu/drm/i915/gt/intel_sa_media.h new file mode 100644 index 000000000000..3afb310de932 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_sa_media.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ +#ifndef __INTEL_SA_MEDIA__ +#define __INTEL_SA_MEDIA__ + +#include <linux/types.h> + +struct intel_gt; + +int intel_sa_mediagt_setup(struct intel_gt *gt, phys_addr_t phys_addr, + u32 gsi_offset); + +#endif /* __INTEL_SA_MEDIA_H__ */ diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 1109088fe8f6..82d3f8058995 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -27,6 +27,9 @@ #define NUM_GPR 16 #define NUM_GPR_DW (NUM_GPR * 2) /* each GPR is 2 dwords */ +#define LRI_HEADER MI_INSTR(0x22, 0) +#define LRI_LENGTH_MASK GENMASK(7, 0) + static struct i915_vma *create_scratch(struct intel_gt *gt) { return __vm_create_scratch_for_read_pinned(>->ggtt->vm, PAGE_SIZE); @@ -202,7 +205,7 @@ static int live_lrc_layout(void *arg) continue; } - if ((lri & GENMASK(31, 23)) != MI_INSTR(0x22, 0)) { + if ((lri & GENMASK(31, 23)) != LRI_HEADER) { pr_err("%s: Expected LRI command at dword %d, found %08x\n", engine->name, dw, lri); err = -EINVAL; @@ -357,6 +360,11 @@ static int live_lrc_fixed(void *arg) lrc_ring_cmd_buf_cctl(engine), "RING_CMD_BUF_CCTL" }, + { + i915_mmio_reg_offset(RING_BB_OFFSET(engine->mmio_base)), + lrc_ring_bb_offset(engine), + "RING_BB_OFFSET" + }, { }, }, *t; u32 *hw; @@ -987,18 +995,40 @@ store_context(struct intel_context *ce, struct i915_vma *scratch) hw = defaults; hw += LRC_STATE_OFFSET / sizeof(*hw); do { - u32 len = hw[dw] & 0x7f; + u32 len = hw[dw] & LRI_LENGTH_MASK; + + /* + * Keep it simple, skip parsing complex commands + * + * At present, there are no more MI_LOAD_REGISTER_IMM + * commands after the first 3D state command. Rather + * than include a table (see i915_cmd_parser.c) of all + * the possible commands and their instruction lengths + * (or mask for variable length instructions), assume + * we have gathered the complete list of registers and + * bail out. + */ + if ((hw[dw] >> INSTR_CLIENT_SHIFT) != INSTR_MI_CLIENT) + break; if (hw[dw] == 0) { dw++; continue; } - if ((hw[dw] & GENMASK(31, 23)) != MI_INSTR(0x22, 0)) { + if ((hw[dw] & GENMASK(31, 23)) != LRI_HEADER) { + /* Assume all other MI commands match LRI length mask */ dw += len + 2; continue; } + if (!len) { + pr_err("%s: invalid LRI found in context image\n", + ce->engine->name); + igt_hexdump(defaults, PAGE_SIZE); + break; + } + dw++; len = (len + 1) / 2; while (len--) { @@ -1150,18 +1180,29 @@ static struct i915_vma *load_context(struct intel_context *ce, u32 poison) hw = defaults; hw += LRC_STATE_OFFSET / sizeof(*hw); do { - u32 len = hw[dw] & 0x7f; + u32 len = hw[dw] & LRI_LENGTH_MASK; + + /* For simplicity, break parsing at the first complex command */ + if ((hw[dw] >> INSTR_CLIENT_SHIFT) != INSTR_MI_CLIENT) + break; if (hw[dw] == 0) { dw++; continue; } - if ((hw[dw] & GENMASK(31, 23)) != MI_INSTR(0x22, 0)) { + if ((hw[dw] & GENMASK(31, 23)) != LRI_HEADER) { dw += len + 2; continue; } + if (!len) { + pr_err("%s: invalid LRI found in context image\n", + ce->engine->name); + igt_hexdump(defaults, PAGE_SIZE); + break; + } + dw++; len = (len + 1) / 2; *cs++ = MI_LOAD_REGISTER_IMM(len); @@ -1292,18 +1333,29 @@ static int compare_isolation(struct intel_engine_cs *engine, hw = defaults; hw += LRC_STATE_OFFSET / sizeof(*hw); do { - u32 len = hw[dw] & 0x7f; + u32 len = hw[dw] & LRI_LENGTH_MASK; + + /* For simplicity, break parsing at the first complex command */ + if ((hw[dw] >> INSTR_CLIENT_SHIFT) != INSTR_MI_CLIENT) + break; if (hw[dw] == 0) { dw++; continue; } - if ((hw[dw] & GENMASK(31, 23)) != MI_INSTR(0x22, 0)) { + if ((hw[dw] & GENMASK(31, 23)) != LRI_HEADER) { dw += len + 2; continue; } + if (!len) { + pr_err("%s: invalid LRI found in context image\n", + engine->name); + igt_hexdump(defaults, PAGE_SIZE); + break; + } + dw++; len = (len + 1) / 2; while (len--) { @@ -1343,6 +1395,30 @@ err_A0: return err; } +static struct i915_vma * +create_result_vma(struct i915_address_space *vm, unsigned long sz) +{ + struct i915_vma *vma; + void *ptr; + + vma = create_user_vma(vm, sz); + if (IS_ERR(vma)) + return vma; + + /* Set the results to a known value distinct from the poison */ + ptr = i915_gem_object_pin_map_unlocked(vma->obj, I915_MAP_WC); + if (IS_ERR(ptr)) { + i915_vma_put(vma); + return ERR_CAST(ptr); + } + + memset(ptr, POISON_INUSE, vma->size); + i915_gem_object_flush_map(vma->obj); + i915_gem_object_unpin_map(vma->obj); + + return vma; +} + static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison) { u32 *sema = memset32(engine->status_page.addr + 1000, 0, 1); @@ -1361,13 +1437,13 @@ static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison) goto err_A; } - ref[0] = create_user_vma(A->vm, SZ_64K); + ref[0] = create_result_vma(A->vm, SZ_64K); if (IS_ERR(ref[0])) { err = PTR_ERR(ref[0]); goto err_B; } - ref[1] = create_user_vma(A->vm, SZ_64K); + ref[1] = create_result_vma(A->vm, SZ_64K); if (IS_ERR(ref[1])) { err = PTR_ERR(ref[1]); goto err_ref0; @@ -1389,13 +1465,13 @@ static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison) } i915_request_put(rq); - result[0] = create_user_vma(A->vm, SZ_64K); + result[0] = create_result_vma(A->vm, SZ_64K); if (IS_ERR(result[0])) { err = PTR_ERR(result[0]); goto err_ref1; } - result[1] = create_user_vma(A->vm, SZ_64K); + result[1] = create_result_vma(A->vm, SZ_64K); if (IS_ERR(result[1])) { err = PTR_ERR(result[1]); goto err_result0; @@ -1408,18 +1484,17 @@ static int __lrc_isolation(struct intel_engine_cs *engine, u32 poison) } err = poison_registers(B, poison, sema); - if (err) { - WRITE_ONCE(*sema, -1); - i915_request_put(rq); - goto err_result1; - } - - if (i915_request_wait(rq, 0, HZ / 2) < 0) { - i915_request_put(rq); + if (err == 0 && i915_request_wait(rq, 0, HZ / 2) < 0) { + pr_err("%s(%s): wait for results timed out\n", + __func__, engine->name); err = -ETIME; - goto err_result1; } + + /* Always cancel the semaphore wait, just in case the GPU gets stuck */ + WRITE_ONCE(*sema, -1); i915_request_put(rq); + if (err) + goto err_result1; err = compare_isolation(engine, ref, result, A, poison); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c index 24451d000a6a..bac06e3d6f2c 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c @@ -82,9 +82,9 @@ static void gen9_reset_guc_interrupts(struct intel_guc *guc) assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen6_gt_pm_reset_iir(gt, gt->pm_guc_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static void gen9_enable_guc_interrupts(struct intel_guc *guc) @@ -93,11 +93,11 @@ static void gen9_enable_guc_interrupts(struct intel_guc *guc) assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); WARN_ON_ONCE(intel_uncore_read(gt->uncore, GEN8_GT_IIR(2)) & gt->pm_guc_events); gen6_gt_pm_enable_irq(gt, gt->pm_guc_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static void gen9_disable_guc_interrupts(struct intel_guc *guc) @@ -106,11 +106,11 @@ static void gen9_disable_guc_interrupts(struct intel_guc *guc) assert_rpm_wakelock_held(>->i915->runtime_pm); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen6_gt_pm_disable_irq(gt, gt->pm_guc_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); intel_synchronize_irq(gt->i915); gen9_reset_guc_interrupts(guc); @@ -120,9 +120,9 @@ static void gen11_reset_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen11_gt_reset_one_iir(gt, 0, GEN11_GUC); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static void gen11_enable_guc_interrupts(struct intel_guc *guc) @@ -130,25 +130,25 @@ static void gen11_enable_guc_interrupts(struct intel_guc *guc) struct intel_gt *gt = guc_to_gt(guc); u32 events = REG_FIELD_PREP(ENGINE1_MASK, GUC_INTR_GUC2HOST); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); WARN_ON_ONCE(gen11_gt_reset_one_iir(gt, 0, GEN11_GUC)); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, events); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static void gen11_disable_guc_interrupts(struct intel_guc *guc) { struct intel_gt *gt = guc_to_gt(guc); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_MASK, ~0); intel_uncore_write(gt->uncore, GEN11_GUC_SG_INTR_ENABLE, 0); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); intel_synchronize_irq(gt->i915); gen11_reset_guc_interrupts(guc); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index 64c4e83153f4..22ba66e48a9b 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -1438,7 +1438,12 @@ void intel_guc_busyness_park(struct intel_gt *gt) if (!guc_submission_initialized(guc)) return; - cancel_delayed_work(&guc->timestamp.work); + /* + * There is a race with suspend flow where the worker runs after suspend + * and causes an unclaimed register access warning. Cancel the worker + * synchronously here. + */ + cancel_delayed_work_sync(&guc->timestamp.work); /* * Before parking, we should sample engine busyness stats if we need to. @@ -1532,8 +1537,8 @@ void intel_guc_submission_reset_prepare(struct intel_guc *guc) __reset_guc_busyness_stats(guc); /* Flush IRQ handler */ - spin_lock_irq(&guc_to_gt(guc)->irq_lock); - spin_unlock_irq(&guc_to_gt(guc)->irq_lock); + spin_lock_irq(guc_to_gt(guc)->irq_lock); + spin_unlock_irq(guc_to_gt(guc)->irq_lock); guc_flush_submissions(guc); guc_flush_destroyed_contexts(guc); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c index abf4e142596d..dbd048b77e19 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c @@ -245,9 +245,9 @@ static int guc_enable_communication(struct intel_guc *guc) intel_guc_enable_interrupts(guc); /* check for CT messages received before we enabled interrupts */ - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); intel_guc_ct_event_handler(&guc->ct); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); drm_dbg(&i915->drm, "GuC communication enabled\n"); diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c index af425916cdf6..b91ad4aede1f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c @@ -72,12 +72,14 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, * security fixes, etc. to be enabled. */ #define INTEL_GUC_FIRMWARE_DEFS(fw_def, guc_maj, guc_mmp) \ - fw_def(DG2, 0, guc_mmp(dg2, 70, 4, 1)) \ + fw_def(DG2, 0, guc_maj(dg2, 70, 5)) \ + fw_def(ALDERLAKE_P, 0, guc_maj(adlp, 70, 5)) \ fw_def(ALDERLAKE_P, 0, guc_mmp(adlp, 70, 1, 1)) \ fw_def(ALDERLAKE_P, 0, guc_mmp(adlp, 69, 0, 3)) \ + fw_def(ALDERLAKE_S, 0, guc_maj(tgl, 70, 5)) \ fw_def(ALDERLAKE_S, 0, guc_mmp(tgl, 70, 1, 1)) \ fw_def(ALDERLAKE_S, 0, guc_mmp(tgl, 69, 0, 3)) \ - fw_def(DG1, 0, guc_mmp(dg1, 70, 1, 1)) \ + fw_def(DG1, 0, guc_maj(dg1, 70, 5)) \ fw_def(ROCKETLAKE, 0, guc_mmp(tgl, 70, 1, 1)) \ fw_def(TIGERLAKE, 0, guc_mmp(tgl, 70, 1, 1)) \ fw_def(JASPERLAKE, 0, guc_mmp(ehl, 70, 1, 1)) \ @@ -92,9 +94,11 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, fw_def(SKYLAKE, 0, guc_mmp(skl, 70, 1, 1)) #define INTEL_HUC_FIRMWARE_DEFS(fw_def, huc_raw, huc_mmp) \ + fw_def(ALDERLAKE_P, 0, huc_raw(tgl)) \ fw_def(ALDERLAKE_P, 0, huc_mmp(tgl, 7, 9, 3)) \ + fw_def(ALDERLAKE_S, 0, huc_raw(tgl)) \ fw_def(ALDERLAKE_S, 0, huc_mmp(tgl, 7, 9, 3)) \ - fw_def(DG1, 0, huc_mmp(dg1, 7, 9, 3)) \ + fw_def(DG1, 0, huc_raw(dg1)) \ fw_def(ROCKETLAKE, 0, huc_mmp(tgl, 7, 9, 3)) \ fw_def(TIGERLAKE, 0, huc_mmp(tgl, 7, 9, 3)) \ fw_def(JASPERLAKE, 0, huc_mmp(ehl, 9, 0, 0)) \ @@ -232,6 +236,7 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) u32 fw_count; u8 rev = INTEL_REVID(i915); int i; + bool found; /* * The only difference between the ADL GuC FWs is the HWConfig support. @@ -246,6 +251,7 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) fw_blobs = blobs_all[uc_fw->type].blobs; fw_count = blobs_all[uc_fw->type].count; + found = false; for (i = 0; i < fw_count && p <= fw_blobs[i].p; i++) { const struct uc_fw_blob *blob = &fw_blobs[i].blob; @@ -266,9 +272,15 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) uc_fw->file_wanted.path = blob->path; uc_fw->file_wanted.major_ver = blob->major; uc_fw->file_wanted.minor_ver = blob->minor; + found = true; break; } + if (!found && uc_fw->file_selected.path) { + /* Failed to find a match for the last attempt?! */ + uc_fw->file_selected.path = NULL; + } + /* make sure the list is ordered as expected */ if (IS_ENABLED(CONFIG_DRM_I915_SELFTEST) && !verified) { verified = true; @@ -322,7 +334,7 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw) continue; bad: - drm_err(&i915->drm, "\x1B[35;1mInvalid FW blob order: %s r%u %s%d.%d.%d comes before %s r%u %s%d.%d.%d\n", + drm_err(&i915->drm, "Invalid FW blob order: %s r%u %s%d.%d.%d comes before %s r%u %s%d.%d.%d\n", intel_platform_name(fw_blobs[i - 1].p), fw_blobs[i - 1].rev, fw_blobs[i - 1].blob.legacy ? "L" : "v", fw_blobs[i - 1].blob.major, @@ -553,10 +565,14 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) err = firmware_request_nowarn(&fw, uc_fw->file_selected.path, dev); memcpy(&file_ideal, &uc_fw->file_wanted, sizeof(file_ideal)); - if (!err || intel_uc_fw_is_overridden(uc_fw)) - goto done; + + /* Any error is terminal if overriding. Don't bother searching for older versions */ + if (err && intel_uc_fw_is_overridden(uc_fw)) + goto fail; while (err == -ENOENT) { + old_ver = true; + __uc_fw_auto_select(i915, uc_fw); if (!uc_fw->file_selected.path) { /* @@ -576,8 +592,6 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw) if (err) goto fail; - old_ver = true; -done: if (uc_fw->loaded_via_gsc) err = check_gsc_manifest(fw, uc_fw); else diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 053a7dab5506..d94e183d716a 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -105,6 +105,12 @@ static const char irst_name[] = "INT3392"; static const struct drm_driver i915_drm_driver; +static void i915_release_bridge_dev(struct drm_device *dev, + void *bridge) +{ + pci_dev_put(bridge); +} + static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) { int domain = pci_domain_nr(to_pci_dev(dev_priv->drm.dev)->bus); @@ -115,7 +121,9 @@ static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) drm_err(&dev_priv->drm, "bridge device not found\n"); return -EIO; } - return 0; + + return drmm_add_action_or_reset(&dev_priv->drm, i915_release_bridge_dev, + dev_priv->bridge_dev); } /* Allocate space for the MCH regs if needed, return nonzero on error */ @@ -302,8 +310,13 @@ static void intel_detect_preproduction_hw(struct drm_i915_private *dev_priv) static void sanitize_gpu(struct drm_i915_private *i915) { - if (!INTEL_INFO(i915)->gpu_reset_clobbers_display) - __intel_gt_reset(to_gt(i915), ALL_ENGINES); + if (!INTEL_INFO(i915)->gpu_reset_clobbers_display) { + struct intel_gt *gt; + unsigned int i; + + for_each_gt(gt, i915, i) + __intel_gt_reset(gt, ALL_ENGINES); + } } /** @@ -326,7 +339,7 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) intel_device_info_subplatform_init(dev_priv); intel_step_init(dev_priv); - intel_uncore_mmio_debug_init_early(&dev_priv->mmio_debug); + intel_uncore_mmio_debug_init_early(dev_priv); spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->gpu_error.lock); @@ -357,7 +370,9 @@ static int i915_driver_early_probe(struct drm_i915_private *dev_priv) intel_wopcm_init_early(&dev_priv->wopcm); - intel_root_gt_init_early(dev_priv); + ret = intel_root_gt_init_early(dev_priv); + if (ret < 0) + goto err_rootgt; i915_drm_clients_init(&dev_priv->clients, dev_priv); @@ -382,6 +397,7 @@ err_gem: i915_gem_cleanup_early(dev_priv); intel_gt_driver_late_release_all(dev_priv); i915_drm_clients_fini(&dev_priv->clients); +err_rootgt: intel_region_ttm_device_fini(dev_priv); err_ttm: vlv_suspend_cleanup(dev_priv); @@ -423,7 +439,8 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv) */ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) { - int ret; + struct intel_gt *gt; + int ret, i; if (i915_inject_probe_failure(dev_priv)) return -ENODEV; @@ -432,17 +449,27 @@ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) if (ret < 0) return ret; - ret = intel_uncore_init_mmio(&dev_priv->uncore); - if (ret) - return ret; + for_each_gt(gt, dev_priv, i) { + ret = intel_uncore_init_mmio(gt->uncore); + if (ret) + return ret; + + ret = drmm_add_action_or_reset(&dev_priv->drm, + intel_uncore_fini_mmio, + gt->uncore); + if (ret) + return ret; + } /* Try to make sure MCHBAR is enabled before poking at it */ intel_setup_mchbar(dev_priv); intel_device_info_runtime_init(dev_priv); - ret = intel_gt_init_mmio(to_gt(dev_priv)); - if (ret) - goto err_uncore; + for_each_gt(gt, dev_priv, i) { + ret = intel_gt_init_mmio(gt); + if (ret) + goto err_uncore; + } /* As early as possible, scrub existing GPU state before clobbering */ sanitize_gpu(dev_priv); @@ -451,8 +478,6 @@ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) err_uncore: intel_teardown_mchbar(dev_priv); - intel_uncore_fini_mmio(&dev_priv->uncore); - pci_dev_put(dev_priv->bridge_dev); return ret; } @@ -464,8 +489,6 @@ err_uncore: static void i915_driver_mmio_release(struct drm_i915_private *dev_priv) { intel_teardown_mchbar(dev_priv); - intel_uncore_fini_mmio(&dev_priv->uncore); - pci_dev_put(dev_priv->bridge_dev); } /** @@ -715,6 +738,8 @@ static void i915_driver_hw_remove(struct drm_i915_private *dev_priv) static void i915_driver_register(struct drm_i915_private *dev_priv) { struct drm_device *dev = &dev_priv->drm; + struct intel_gt *gt; + unsigned int i; i915_gem_driver_register(dev_priv); i915_pmu_register(dev_priv); @@ -734,7 +759,8 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) /* Depends on sysfs having been initialized */ i915_perf_register(dev_priv); - intel_gt_driver_register(to_gt(dev_priv)); + for_each_gt(gt, dev_priv, i) + intel_gt_driver_register(gt); intel_display_driver_register(dev_priv); @@ -753,6 +779,9 @@ static void i915_driver_register(struct drm_i915_private *dev_priv) */ static void i915_driver_unregister(struct drm_i915_private *dev_priv) { + struct intel_gt *gt; + unsigned int i; + i915_switcheroo_unregister(dev_priv); intel_unregister_dsm_handler(); @@ -762,7 +791,8 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv) intel_display_driver_unregister(dev_priv); - intel_gt_driver_unregister(to_gt(dev_priv)); + for_each_gt(gt, dev_priv, i) + intel_gt_driver_unregister(gt); i915_perf_unregister(dev_priv); i915_pmu_unregister(dev_priv); @@ -784,6 +814,8 @@ static void i915_welcome_messages(struct drm_i915_private *dev_priv) { if (drm_debug_enabled(DRM_UT_DRIVER)) { struct drm_printer p = drm_debug_printer("i915 device info:"); + struct intel_gt *gt; + unsigned int i; drm_printf(&p, "pciid=0x%04x rev=0x%02x platform=%s (subplatform=0x%x) gen=%i\n", INTEL_DEVID(dev_priv), @@ -796,7 +828,8 @@ static void i915_welcome_messages(struct drm_i915_private *dev_priv) intel_device_info_print(INTEL_INFO(dev_priv), RUNTIME_INFO(dev_priv), &p); i915_print_iommu_status(dev_priv, &p); - intel_gt_info_print(&to_gt(dev_priv)->info, &p); + for_each_gt(gt, dev_priv, i) + intel_gt_info_print(>->info, &p); } if (IS_ENABLED(CONFIG_DRM_I915_DEBUG)) @@ -1211,13 +1244,15 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret; + struct intel_gt *gt; + int ret, i; disable_rpm_wakeref_asserts(rpm); i915_gem_suspend_late(dev_priv); - intel_uncore_suspend(&dev_priv->uncore); + for_each_gt(gt, dev_priv, i) + intel_uncore_suspend(gt->uncore); intel_power_domains_suspend(dev_priv, get_suspend_mode(dev_priv, hibernation)); @@ -1349,7 +1384,8 @@ static int i915_drm_resume_early(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); - int ret; + struct intel_gt *gt; + int ret, i; /* * We have a resume ordering issue with the snd-hda driver also @@ -1403,9 +1439,10 @@ static int i915_drm_resume_early(struct drm_device *dev) drm_err(&dev_priv->drm, "Resume prepare failed: %d, continuing anyway\n", ret); - intel_uncore_resume_early(&dev_priv->uncore); - - intel_gt_check_and_clear_faults(to_gt(dev_priv)); + for_each_gt(gt, dev_priv, i) { + intel_uncore_resume_early(gt->uncore); + intel_gt_check_and_clear_faults(gt); + } intel_display_power_resume_early(dev_priv); @@ -1585,7 +1622,8 @@ static int intel_runtime_suspend(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret; + struct intel_gt *gt; + int ret, i; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) return -ENODEV; @@ -1600,11 +1638,13 @@ static int intel_runtime_suspend(struct device *kdev) */ i915_gem_runtime_suspend(dev_priv); - intel_gt_runtime_suspend(to_gt(dev_priv)); + for_each_gt(gt, dev_priv, i) + intel_gt_runtime_suspend(gt); intel_runtime_pm_disable_interrupts(dev_priv); - intel_uncore_suspend(&dev_priv->uncore); + for_each_gt(gt, dev_priv, i) + intel_uncore_suspend(gt->uncore); intel_display_power_suspend(dev_priv); @@ -1668,7 +1708,8 @@ static int intel_runtime_resume(struct device *kdev) { struct drm_i915_private *dev_priv = kdev_to_i915(kdev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; - int ret; + struct intel_gt *gt; + int ret, i; if (drm_WARN_ON_ONCE(&dev_priv->drm, !HAS_RUNTIME_PM(dev_priv))) return -ENODEV; @@ -1688,7 +1729,8 @@ static int intel_runtime_resume(struct device *kdev) ret = vlv_resume_prepare(dev_priv, true); - intel_uncore_runtime_resume(&dev_priv->uncore); + for_each_gt(gt, dev_priv, i) + intel_uncore_runtime_resume(gt->uncore); intel_runtime_pm_enable_interrupts(dev_priv); @@ -1696,7 +1738,8 @@ static int intel_runtime_resume(struct device *kdev) * No point of rolling back things in case of an error, as the best * we can do is to hope that things will still work (and disable RPM). */ - intel_gt_runtime_resume(to_gt(dev_priv)); + for_each_gt(gt, dev_priv, i) + intel_gt_runtime_resume(gt); /* * On VLV/CHV display interrupts are part of the display diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ba8a16d0fe7c..4828f9d2460d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -497,6 +497,9 @@ struct drm_i915_private { struct kobject *sysfs_gt; + /* Quick lookup of media GT (current platforms only have one) */ + struct intel_gt *media_gt; + struct { struct i915_gem_contexts { spinlock_t lock; /* locks list */ @@ -1061,6 +1064,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_REGION(i915, i) (RUNTIME_INFO(i915)->memory_regions & (i)) #define HAS_LMEM(i915) HAS_REGION(i915, REGION_LMEM) +#define HAS_EXTRA_GT_LIST(dev_priv) (INTEL_INFO(dev_priv)->extra_gt_list) + /* * Platform has the dedicated compression control state for each lmem surfaces * stored in lmem to support the 3D and media compression formats. diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0d0e0cb189d8..53b63540c3c7 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -842,6 +842,10 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915) &to_gt(i915)->ggtt->userfault_list, userfault_link) __i915_gem_object_release_mmap_gtt(obj); + list_for_each_entry_safe(obj, on, + &to_gt(i915)->lmem_userfault_list, userfault_link) + i915_gem_object_runtime_pm_release_mmap_offset(obj); + /* * The fence will be lost when the device powers down. If any were * in use by hardware (i.e. they are pinned), we should not be powering @@ -1172,7 +1176,7 @@ void i915_gem_driver_unregister(struct drm_i915_private *i915) void i915_gem_driver_remove(struct drm_i915_private *dev_priv) { - intel_wakeref_auto_fini(&to_gt(dev_priv)->ggtt->userfault_wakeref); + intel_wakeref_auto_fini(&to_gt(dev_priv)->userfault_wakeref); i915_gem_suspend_late(dev_priv); intel_gt_driver_remove(to_gt(dev_priv)); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index c2f2d7b8d964..14efd58e37d7 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1104,9 +1104,9 @@ static void ivb_parity_work(struct work_struct *work) out: drm_WARN_ON(&dev_priv->drm, dev_priv->l3_parity.which_slice); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen5_gt_enable_irq(gt, GT_PARITY_ERROR(dev_priv)); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); mutex_unlock(&dev_priv->drm.struct_mutex); } diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 26b25d9434d6..19fc00bcd7b9 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -26,6 +26,9 @@ #include <drm/drm_drv.h> #include <drm/i915_pciids.h> +#include "gt/intel_gt_regs.h" +#include "gt/intel_sa_media.h" + #include "i915_driver.h" #include "i915_drv.h" #include "i915_pci.h" @@ -1115,6 +1118,16 @@ static const struct intel_device_info pvc_info = { .display.has_cdclk_crawl = 1, \ .__runtime.fbc_mask = BIT(INTEL_FBC_A) | BIT(INTEL_FBC_B) +static const struct intel_gt_definition xelpmp_extra_gt[] = { + { + .type = GT_MEDIA, + .name = "Standalone Media GT", + .gsi_offset = MTL_MEDIA_GSI_BASE, + .engine_mask = BIT(VECS0) | BIT(VCS0) | BIT(VCS2), + }, + {} +}; + __maybe_unused static const struct intel_device_info mtl_info = { XE_HP_FEATURES, @@ -1128,6 +1141,7 @@ static const struct intel_device_info mtl_info = { .media.ver = 13, PLATFORM(INTEL_METEORLAKE), .display.has_modular_fia = 1, + .extra_gt_list = xelpmp_extra_gt, .has_flat_ccs = 0, .has_snoop = 1, .__runtime.memory_regions = REGION_SMEM | REGION_STOLEN_LMEM, diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index adfb279c0782..8b1c1b527e9b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1857,14 +1857,14 @@ #define GT0_PERF_LIMIT_REASONS _MMIO(0x1381a8) #define GT0_PERF_LIMIT_REASONS_MASK 0xde3 -#define PROCHOT_MASK REG_BIT(1) -#define THERMAL_LIMIT_MASK REG_BIT(2) -#define RATL_MASK REG_BIT(6) -#define VR_THERMALERT_MASK REG_BIT(7) -#define VR_TDC_MASK REG_BIT(8) -#define POWER_LIMIT_4_MASK REG_BIT(9) -#define POWER_LIMIT_1_MASK REG_BIT(11) -#define POWER_LIMIT_2_MASK REG_BIT(12) +#define PROCHOT_MASK REG_BIT(0) +#define THERMAL_LIMIT_MASK REG_BIT(1) +#define RATL_MASK REG_BIT(5) +#define VR_THERMALERT_MASK REG_BIT(6) +#define VR_TDC_MASK REG_BIT(7) +#define POWER_LIMIT_4_MASK REG_BIT(8) +#define POWER_LIMIT_1_MASK REG_BIT(10) +#define POWER_LIMIT_2_MASK REG_BIT(11) #define CHV_CLK_CTL1 _MMIO(0x101100) #define VLV_CLK_CTL2 _MMIO(0x101104) diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index 6904ad03ca19..deaa07d8df2c 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -37,6 +37,7 @@ struct drm_printer; struct drm_i915_private; +struct intel_gt_definition; /* Keep in gen based order, and chronological order within a gen */ enum intel_platform { @@ -252,6 +253,8 @@ struct intel_device_info { unsigned int dma_mask_size; /* available DMA address bits */ + const struct intel_gt_definition *extra_gt_list; + u8 gt; /* GT number, 0 if undefined */ #define DEFINE_FLAG(name) u8 name:1 diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a7bfa063447c..efc040cccc24 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7614,9 +7614,8 @@ static void icl_init_clock_gating(struct drm_i915_private *dev_priv) static void gen12lp_init_clock_gating(struct drm_i915_private *dev_priv) { - /* Wa_1409120013:tgl,rkl,adl-s,dg1,dg2 */ - if (IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv) || - IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv) || IS_DG2(dev_priv)) + /* Wa_1409120013 */ + if (DISPLAY_VER(dev_priv) == 12) intel_uncore_write(&dev_priv->uncore, ILK_DPFC_CHICKEN(INTEL_FBC_A), DPFC_CHICKEN_COMP_DUMMY_PIXEL); diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 9b81b2543ce2..5cd423c7b646 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -21,6 +21,7 @@ * IN THE SOFTWARE. */ +#include <drm/drm_managed.h> #include <linux/pm_runtime.h> #include "gt/intel_engine_regs.h" @@ -44,29 +45,47 @@ fw_domains_get(struct intel_uncore *uncore, enum forcewake_domains fw_domains) } void -intel_uncore_mmio_debug_init_early(struct intel_uncore_mmio_debug *mmio_debug) +intel_uncore_mmio_debug_init_early(struct drm_i915_private *i915) { - spin_lock_init(&mmio_debug->lock); - mmio_debug->unclaimed_mmio_check = 1; + spin_lock_init(&i915->mmio_debug.lock); + i915->mmio_debug.unclaimed_mmio_check = 1; + + i915->uncore.debug = &i915->mmio_debug; } -static void mmio_debug_suspend(struct intel_uncore_mmio_debug *mmio_debug) +static void mmio_debug_suspend(struct intel_uncore *uncore) { - lockdep_assert_held(&mmio_debug->lock); + if (!uncore->debug) + return; + + spin_lock(&uncore->debug->lock); /* Save and disable mmio debugging for the user bypass */ - if (!mmio_debug->suspend_count++) { - mmio_debug->saved_mmio_check = mmio_debug->unclaimed_mmio_check; - mmio_debug->unclaimed_mmio_check = 0; + if (!uncore->debug->suspend_count++) { + uncore->debug->saved_mmio_check = uncore->debug->unclaimed_mmio_check; + uncore->debug->unclaimed_mmio_check = 0; } + + spin_unlock(&uncore->debug->lock); } -static void mmio_debug_resume(struct intel_uncore_mmio_debug *mmio_debug) +static bool check_for_unclaimed_mmio(struct intel_uncore *uncore); + +static void mmio_debug_resume(struct intel_uncore *uncore) { - lockdep_assert_held(&mmio_debug->lock); + if (!uncore->debug) + return; + + spin_lock(&uncore->debug->lock); + + if (!--uncore->debug->suspend_count) + uncore->debug->unclaimed_mmio_check = uncore->debug->saved_mmio_check; - if (!--mmio_debug->suspend_count) - mmio_debug->unclaimed_mmio_check = mmio_debug->saved_mmio_check; + if (check_for_unclaimed_mmio(uncore)) + drm_info(&uncore->i915->drm, + "Invalid mmio detected during user access\n"); + + spin_unlock(&uncore->debug->lock); } static const char * const forcewake_domain_names[] = { @@ -677,9 +696,7 @@ void intel_uncore_forcewake_user_get(struct intel_uncore *uncore) spin_lock_irq(&uncore->lock); if (!uncore->user_forcewake_count++) { intel_uncore_forcewake_get__locked(uncore, FORCEWAKE_ALL); - spin_lock(&uncore->debug->lock); - mmio_debug_suspend(uncore->debug); - spin_unlock(&uncore->debug->lock); + mmio_debug_suspend(uncore); } spin_unlock_irq(&uncore->lock); } @@ -695,14 +712,7 @@ void intel_uncore_forcewake_user_put(struct intel_uncore *uncore) { spin_lock_irq(&uncore->lock); if (!--uncore->user_forcewake_count) { - spin_lock(&uncore->debug->lock); - mmio_debug_resume(uncore->debug); - - if (check_for_unclaimed_mmio(uncore)) - drm_info(&uncore->i915->drm, - "Invalid mmio detected during user access\n"); - spin_unlock(&uncore->debug->lock); - + mmio_debug_resume(uncore); intel_uncore_forcewake_put__locked(uncore, FORCEWAKE_ALL); } spin_unlock_irq(&uncore->lock); @@ -918,6 +928,9 @@ find_fw_domain(struct intel_uncore *uncore, u32 offset) { const struct intel_forcewake_range *entry; + if (IS_GSI_REG(offset)) + offset += uncore->gsi_offset; + entry = BSEARCH(offset, uncore->fw_domains_table, uncore->fw_domains_table_entries, @@ -1133,6 +1146,9 @@ static bool is_shadowed(struct intel_uncore *uncore, u32 offset) if (drm_WARN_ON(&uncore->i915->drm, !uncore->shadowed_reg_table)) return false; + if (IS_GSI_REG(offset)) + offset += uncore->gsi_offset; + return BSEARCH(offset, uncore->shadowed_reg_table, uncore->shadowed_reg_table_entries, @@ -1704,7 +1720,7 @@ unclaimed_reg_debug(struct intel_uncore *uncore, const bool read, const bool before) { - if (likely(!uncore->i915->params.mmio_debug)) + if (likely(!uncore->i915->params.mmio_debug) || !uncore->debug) return; /* interrupts are disabled and re-enabled around uncore->lock usage */ @@ -1985,8 +2001,8 @@ static int __fw_domain_init(struct intel_uncore *uncore, d->uncore = uncore; d->wake_count = 0; - d->reg_set = uncore->regs + i915_mmio_reg_offset(reg_set); - d->reg_ack = uncore->regs + i915_mmio_reg_offset(reg_ack); + d->reg_set = uncore->regs + i915_mmio_reg_offset(reg_set) + uncore->gsi_offset; + d->reg_ack = uncore->regs + i915_mmio_reg_offset(reg_ack) + uncore->gsi_offset; d->id = domain_id; @@ -2223,6 +2239,11 @@ static int i915_pmic_bus_access_notifier(struct notifier_block *nb, return NOTIFY_OK; } +static void uncore_unmap_mmio(struct drm_device *drm, void *regs) +{ + iounmap(regs); +} + int intel_uncore_setup_mmio(struct intel_uncore *uncore, phys_addr_t phys_addr) { struct drm_i915_private *i915 = uncore->i915; @@ -2251,12 +2272,7 @@ int intel_uncore_setup_mmio(struct intel_uncore *uncore, phys_addr_t phys_addr) return -EIO; } - return 0; -} - -void intel_uncore_cleanup_mmio(struct intel_uncore *uncore) -{ - iounmap(uncore->regs); + return drmm_add_action_or_reset(&i915->drm, uncore_unmap_mmio, uncore->regs); } void intel_uncore_init_early(struct intel_uncore *uncore, @@ -2266,7 +2282,6 @@ void intel_uncore_init_early(struct intel_uncore *uncore, uncore->i915 = gt->i915; uncore->gt = gt; uncore->rpm = >->i915->runtime_pm; - uncore->debug = >->i915->mmio_debug; } static void uncore_raw_init(struct intel_uncore *uncore) @@ -2446,8 +2461,11 @@ void intel_uncore_prune_engine_fw_domains(struct intel_uncore *uncore, } } -void intel_uncore_fini_mmio(struct intel_uncore *uncore) +/* Called via drm-managed action */ +void intel_uncore_fini_mmio(struct drm_device *dev, void *data) { + struct intel_uncore *uncore = data; + if (intel_uncore_has_forcewake(uncore)) { iosf_mbi_punit_acquire(); iosf_mbi_unregister_pmic_bus_access_notifier_unlocked( @@ -2577,6 +2595,9 @@ bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore) { bool ret; + if (!uncore->debug) + return false; + spin_lock_irq(&uncore->debug->lock); ret = check_for_unclaimed_mmio(uncore); spin_unlock_irq(&uncore->debug->lock); @@ -2589,6 +2610,9 @@ intel_uncore_arm_unclaimed_mmio_detection(struct intel_uncore *uncore) { bool ret = false; + if (drm_WARN_ON(&uncore->i915->drm, !uncore->debug)) + return false; + spin_lock_irq(&uncore->debug->lock); if (unlikely(uncore->debug->unclaimed_mmio_check <= 0)) diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index b1fa912a65e7..5022bac80b67 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -33,6 +33,7 @@ #include "i915_reg_defs.h" +struct drm_device; struct drm_i915_private; struct intel_runtime_pm; struct intel_uncore; @@ -135,6 +136,16 @@ struct intel_uncore { spinlock_t lock; /** lock is also taken in irq contexts. */ + /* + * Do we need to apply an additional offset to reach the beginning + * of the basic non-engine GT registers (referred to as "GSI" on + * newer platforms, or "GT block" on older platforms)? If so, we'll + * track that here and apply it transparently to registers in the + * appropriate range to maintain compatibility with our existing + * register definitions and GT code. + */ + u32 gsi_offset; + unsigned int flags; #define UNCORE_HAS_FORCEWAKE BIT(0) #define UNCORE_HAS_FPGA_DBG_UNCLAIMED BIT(1) @@ -210,8 +221,7 @@ intel_uncore_has_fifo(const struct intel_uncore *uncore) return uncore->flags & UNCORE_HAS_FIFO; } -void -intel_uncore_mmio_debug_init_early(struct intel_uncore_mmio_debug *mmio_debug); +void intel_uncore_mmio_debug_init_early(struct drm_i915_private *i915); void intel_uncore_init_early(struct intel_uncore *uncore, struct intel_gt *gt); int intel_uncore_setup_mmio(struct intel_uncore *uncore, phys_addr_t phys_addr); @@ -221,7 +231,7 @@ void intel_uncore_prune_engine_fw_domains(struct intel_uncore *uncore, bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore); bool intel_uncore_arm_unclaimed_mmio_detection(struct intel_uncore *uncore); void intel_uncore_cleanup_mmio(struct intel_uncore *uncore); -void intel_uncore_fini_mmio(struct intel_uncore *uncore); +void intel_uncore_fini_mmio(struct drm_device *dev, void *data); void intel_uncore_suspend(struct intel_uncore *uncore); void intel_uncore_resume_early(struct intel_uncore *uncore); void intel_uncore_runtime_resume(struct intel_uncore *uncore); @@ -294,19 +304,27 @@ intel_wait_for_register_fw(struct intel_uncore *uncore, 2, timeout_ms, NULL); } +#define IS_GSI_REG(reg) ((reg) < 0x40000) + /* register access functions */ #define __raw_read(x__, s__) \ static inline u##x__ __raw_uncore_read##x__(const struct intel_uncore *uncore, \ i915_reg_t reg) \ { \ - return read##s__(uncore->regs + i915_mmio_reg_offset(reg)); \ + u32 offset = i915_mmio_reg_offset(reg); \ + if (IS_GSI_REG(offset)) \ + offset += uncore->gsi_offset; \ + return read##s__(uncore->regs + offset); \ } #define __raw_write(x__, s__) \ static inline void __raw_uncore_write##x__(const struct intel_uncore *uncore, \ i915_reg_t reg, u##x__ val) \ { \ - write##s__(val, uncore->regs + i915_mmio_reg_offset(reg)); \ + u32 offset = i915_mmio_reg_offset(reg); \ + if (IS_GSI_REG(offset)) \ + offset += uncore->gsi_offset; \ + write##s__(val, uncore->regs + offset); \ } __raw_read(8, b) __raw_read(16, w) @@ -447,6 +465,18 @@ static inline int intel_uncore_write_and_verify(struct intel_uncore *uncore, return (reg_val & mask) != expected_val ? -EINVAL : 0; } +/* + * The raw_reg_{read,write} macros are intended as a micro-optimization for + * interrupt handlers so that the pointer indirection on uncore->regs can + * be computed once (and presumably cached in a register) instead of generating + * extra load instructions for each MMIO access. + * + * Given that these macros are only intended for non-GSI interrupt registers + * (and the goal is to avoid extra instructions generated by the compiler), + * these macros do not account for uncore->gsi_offset. Any caller that needs + * to use these macros on a GSI register is responsible for adding the + * appropriate GSI offset to the 'base' parameter. + */ #define raw_reg_read(base, reg) \ readl(base + i915_mmio_reg_offset(reg)) #define raw_reg_write(base, reg, value) \ diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index 17109c513259..69cdaaddc4a9 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -169,11 +169,11 @@ static void pxp_queue_termination(struct intel_pxp *pxp) * We want to get the same effect as if we received a termination * interrupt, so just pretend that we did. */ - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); intel_pxp_mark_termination_in_progress(pxp); pxp->session_events |= PXP_TERMINATION_REQUEST; queue_work(system_unbound_wq, &pxp->session_work); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } static bool pxp_component_bound(struct intel_pxp *pxp) diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c b/drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c index e888b5124a07..4359e8be4101 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c @@ -47,9 +47,9 @@ static int pxp_terminate_set(void *data, u64 val) return -ENODEV; /* simulate a termination interrupt */ - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); intel_pxp_irq_handler(pxp, GEN12_DISPLAY_PXP_STATE_TERMINATED_INTERRUPT); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); if (!wait_for_completion_timeout(&pxp->termination, msecs_to_jiffies(100))) diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c index 04745f914407..c28be430718a 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_irq.c @@ -25,7 +25,7 @@ void intel_pxp_irq_handler(struct intel_pxp *pxp, u16 iir) if (GEM_WARN_ON(!intel_pxp_is_enabled(pxp))) return; - lockdep_assert_held(>->irq_lock); + lockdep_assert_held(gt->irq_lock); if (unlikely(!iir)) return; @@ -55,16 +55,16 @@ static inline void __pxp_set_interrupts(struct intel_gt *gt, u32 interrupts) static inline void pxp_irq_reset(struct intel_gt *gt) { - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); gen11_gt_reset_one_iir(gt, 0, GEN11_KCR); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } void intel_pxp_irq_enable(struct intel_pxp *pxp) { struct intel_gt *gt = pxp_to_gt(pxp); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); if (!pxp->irq_enabled) WARN_ON_ONCE(gen11_gt_reset_one_iir(gt, 0, GEN11_KCR)); @@ -72,7 +72,7 @@ void intel_pxp_irq_enable(struct intel_pxp *pxp) __pxp_set_interrupts(gt, GEN12_PXP_INTERRUPTS); pxp->irq_enabled = true; - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); } void intel_pxp_irq_disable(struct intel_pxp *pxp) @@ -88,12 +88,12 @@ void intel_pxp_irq_disable(struct intel_pxp *pxp) */ GEM_WARN_ON(intel_pxp_is_active(pxp)); - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); pxp->irq_enabled = false; __pxp_set_interrupts(gt, 0); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); intel_synchronize_irq(gt->i915); pxp_irq_reset(gt); diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_session.c b/drivers/gpu/drm/i915/pxp/intel_pxp_session.c index 92b00b4de240..1bb5b5249157 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp_session.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp_session.c @@ -144,9 +144,9 @@ void intel_pxp_session_work(struct work_struct *work) intel_wakeref_t wakeref; u32 events = 0; - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); events = fetch_and_zero(&pxp->session_events); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); if (!events) return; diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index f5904e659ef2..915d58ba383e 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -115,6 +115,7 @@ static struct dev_pm_domain pm_domain = { static void mock_gt_probe(struct drm_i915_private *i915) { i915->gt[0] = &i915->gt0; + i915->gt[0]->name = "Mock GT"; } struct drm_i915_private *mock_gem_device(void) diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 59506ba6fc48..79305e4acce2 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2013-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2013-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -15,6 +15,7 @@ #include "mei_dev.h" #include "client.h" +#include "mkhi.h" #define MEI_UUID_NFC_INFO UUID_LE(0xd2de1625, 0x382d, 0x417d, \ 0x48, 0xa4, 0xef, 0xab, 0xba, 0x8a, 0x12, 0x06) @@ -89,20 +90,6 @@ struct mei_os_ver { u8 reserved2; } __packed; -#define MKHI_FEATURE_PTT 0x10 - -struct mkhi_rule_id { - __le16 rule_type; - u8 feature_id; - u8 reserved; -} __packed; - -struct mkhi_fwcaps { - struct mkhi_rule_id id; - u8 len; - u8 data[]; -} __packed; - struct mkhi_fw_ver_block { u16 minor; u8 major; @@ -115,22 +102,6 @@ struct mkhi_fw_ver { struct mkhi_fw_ver_block ver[MEI_MAX_FW_VER_BLOCKS]; } __packed; -#define MKHI_FWCAPS_GROUP_ID 0x3 -#define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6 -#define MKHI_GEN_GROUP_ID 0xFF -#define MKHI_GEN_GET_FW_VERSION_CMD 0x2 -struct mkhi_msg_hdr { - u8 group_id; - u8 command; - u8 reserved; - u8 result; -} __packed; - -struct mkhi_msg { - struct mkhi_msg_hdr hdr; - u8 data[]; -} __packed; - #define MKHI_OSVER_BUF_LEN (sizeof(struct mkhi_msg_hdr) + \ sizeof(struct mkhi_fwcaps) + \ sizeof(struct mei_os_ver)) @@ -164,7 +135,6 @@ static int mei_osver(struct mei_cl_device *cldev) sizeof(struct mkhi_fw_ver)) #define MKHI_FWVER_LEN(__num) (sizeof(struct mkhi_msg_hdr) + \ sizeof(struct mkhi_fw_ver_block) * (__num)) -#define MKHI_RCV_TIMEOUT 500 /* receive timeout in msec */ static int mei_fwver(struct mei_cl_device *cldev) { char buf[MKHI_FWVER_BUF_LEN]; @@ -187,7 +157,7 @@ static int mei_fwver(struct mei_cl_device *cldev) ret = 0; bytes_recv = __mei_cl_recv(cldev->cl, buf, sizeof(buf), NULL, 0, - MKHI_RCV_TIMEOUT); + cldev->bus->timeouts.mkhi_recv); if (bytes_recv < 0 || (size_t)bytes_recv < MKHI_FWVER_LEN(1)) { /* * Should be at least one version block, @@ -218,6 +188,19 @@ static int mei_fwver(struct mei_cl_device *cldev) return ret; } +static int mei_gfx_memory_ready(struct mei_cl_device *cldev) +{ + struct mkhi_gfx_mem_ready req = {0}; + unsigned int mode = MEI_CL_IO_TX_INTERNAL; + + req.hdr.group_id = MKHI_GROUP_ID_GFX; + req.hdr.command = MKHI_GFX_MEMORY_READY_CMD_REQ; + req.flags = MKHI_GFX_MEM_READY_PXP_ALLOWED; + + dev_dbg(&cldev->dev, "Sending memory ready command\n"); + return __mei_cl_send(cldev->cl, (u8 *)&req, sizeof(req), 0, mode); +} + static void mei_mkhi_fix(struct mei_cl_device *cldev) { int ret; @@ -264,6 +247,39 @@ static void mei_gsc_mkhi_ver(struct mei_cl_device *cldev) dev_err(&cldev->dev, "FW version command failed %d\n", ret); mei_cldev_disable(cldev); } + +static void mei_gsc_mkhi_fix_ver(struct mei_cl_device *cldev) +{ + int ret; + + /* No need to enable the client if nothing is needed from it */ + if (!cldev->bus->fw_f_fw_ver_supported && + cldev->bus->pxp_mode != MEI_DEV_PXP_INIT) + return; + + ret = mei_cldev_enable(cldev); + if (ret) + return; + + if (cldev->bus->pxp_mode == MEI_DEV_PXP_INIT) { + ret = mei_gfx_memory_ready(cldev); + if (ret < 0) + dev_err(&cldev->dev, "memory ready command failed %d\n", ret); + else + dev_dbg(&cldev->dev, "memory ready command sent\n"); + /* we go to reset after that */ + cldev->bus->pxp_mode = MEI_DEV_PXP_SETUP; + goto out; + } + + ret = mei_fwver(cldev); + if (ret < 0) + dev_err(&cldev->dev, "FW version command failed %d\n", + ret); +out: + mei_cldev_disable(cldev); +} + /** * mei_wd - wd client on the bus, change protocol version * as the API has changed. @@ -503,6 +519,26 @@ static void vt_support(struct mei_cl_device *cldev) cldev->do_match = 1; } +/** + * pxp_is_ready - enable bus client if pxp is ready + * + * @cldev: me clients device + */ +static void pxp_is_ready(struct mei_cl_device *cldev) +{ + struct mei_device *bus = cldev->bus; + + switch (bus->pxp_mode) { + case MEI_DEV_PXP_READY: + case MEI_DEV_PXP_DEFAULT: + cldev->do_match = 1; + break; + default: + cldev->do_match = 0; + break; + } +} + #define MEI_FIXUP(_uuid, _hook) { _uuid, _hook } static struct mei_fixup { @@ -516,10 +552,10 @@ static struct mei_fixup { MEI_FIXUP(MEI_UUID_WD, mei_wd), MEI_FIXUP(MEI_UUID_MKHIF_FIX, mei_mkhi_fix), MEI_FIXUP(MEI_UUID_IGSC_MKHI, mei_gsc_mkhi_ver), - MEI_FIXUP(MEI_UUID_IGSC_MKHI_FIX, mei_gsc_mkhi_ver), + MEI_FIXUP(MEI_UUID_IGSC_MKHI_FIX, mei_gsc_mkhi_fix_ver), MEI_FIXUP(MEI_UUID_HDCP, whitelist), MEI_FIXUP(MEI_UUID_ANY, vt_support), - MEI_FIXUP(MEI_UUID_PAVP, whitelist), + MEI_FIXUP(MEI_UUID_PAVP, pxp_is_ready), }; /** diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 31264ab2eb13..0b2fbe1335a7 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -870,7 +870,7 @@ static int mei_cl_send_disconnect(struct mei_cl *cl, struct mei_cl_cb *cb) } list_move_tail(&cb->list, &dev->ctrl_rd_list); - cl->timer_count = MEI_CONNECT_TIMEOUT; + cl->timer_count = dev->timeouts.connect; mei_schedule_stall_timer(dev); return 0; @@ -945,7 +945,7 @@ static int __mei_cl_disconnect(struct mei_cl *cl) wait_event_timeout(cl->wait, cl->state == MEI_FILE_DISCONNECT_REPLY || cl->state == MEI_FILE_DISCONNECTED, - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); rets = cl->status; @@ -1065,7 +1065,7 @@ static int mei_cl_send_connect(struct mei_cl *cl, struct mei_cl_cb *cb) } list_move_tail(&cb->list, &dev->ctrl_rd_list); - cl->timer_count = MEI_CONNECT_TIMEOUT; + cl->timer_count = dev->timeouts.connect; mei_schedule_stall_timer(dev); return 0; } @@ -1164,7 +1164,7 @@ int mei_cl_connect(struct mei_cl *cl, struct mei_me_client *me_cl, cl->state == MEI_FILE_DISCONNECTED || cl->state == MEI_FILE_DISCONNECT_REQUIRED || cl->state == MEI_FILE_DISCONNECT_REPLY), - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); if (!mei_cl_is_connected(cl)) { @@ -1562,7 +1562,7 @@ int mei_cl_notify_request(struct mei_cl *cl, cl->notify_en == request || cl->status || !mei_cl_is_connected(cl), - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); if (cl->notify_en != request && !cl->status) @@ -2336,7 +2336,7 @@ int mei_cl_dma_alloc_and_map(struct mei_cl *cl, const struct file *fp, mutex_unlock(&dev->device_lock); wait_event_timeout(cl->wait, cl->dma_mapped || cl->status, - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); if (!cl->dma_mapped && !cl->status) @@ -2415,7 +2415,7 @@ int mei_cl_dma_unmap(struct mei_cl *cl, const struct file *fp) mutex_unlock(&dev->device_lock); wait_event_timeout(cl->wait, !cl->dma_mapped || cl->status, - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); if (cl->dma_mapped && !cl->status) diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c index 1ce61e9e24fc..3b098d4c8e3d 100644 --- a/drivers/misc/mei/debugfs.c +++ b/drivers/misc/mei/debugfs.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2012-2016, Intel Corporation. All rights reserved + * Copyright (c) 2012-2022, Intel Corporation. All rights reserved * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -86,6 +86,20 @@ out: } DEFINE_SHOW_ATTRIBUTE(mei_dbgfs_active); +static const char *mei_dev_pxp_mode_str(enum mei_dev_pxp_mode state) +{ +#define MEI_PXP_MODE(state) case MEI_DEV_PXP_##state: return #state + switch (state) { + MEI_PXP_MODE(DEFAULT); + MEI_PXP_MODE(INIT); + MEI_PXP_MODE(SETUP); + MEI_PXP_MODE(READY); + default: + return "unknown"; + } +#undef MEI_PXP_MODE +} + static int mei_dbgfs_devstate_show(struct seq_file *m, void *unused) { struct mei_device *dev = m->private; @@ -112,6 +126,9 @@ static int mei_dbgfs_devstate_show(struct seq_file *m, void *unused) seq_printf(m, "pg: %s, %s\n", mei_pg_is_enabled(dev) ? "ENABLED" : "DISABLED", mei_pg_state_str(mei_pg_state(dev))); + + seq_printf(m, "pxp: %s\n", mei_dev_pxp_mode_str(dev->pxp_mode)); + return 0; } DEFINE_SHOW_ATTRIBUTE(mei_dbgfs_devstate); diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c index c8145e9b62b6..75765e4df4ed 100644 --- a/drivers/misc/mei/gsc-me.c +++ b/drivers/misc/mei/gsc-me.c @@ -13,6 +13,7 @@ #include <linux/ktime.h> #include <linux/delay.h> #include <linux/pm_runtime.h> +#include <linux/kthread.h> #include "mei_dev.h" #include "hw-me.h" @@ -31,6 +32,17 @@ static int mei_gsc_read_hfs(const struct mei_device *dev, int where, u32 *val) return 0; } +static void mei_gsc_set_ext_op_mem(const struct mei_me_hw *hw, struct resource *mem) +{ + u32 low = lower_32_bits(mem->start); + u32 hi = upper_32_bits(mem->start); + u32 limit = (resource_size(mem) / SZ_4K) | GSC_EXT_OP_MEM_VALID; + + iowrite32(low, hw->mem_addr + H_GSC_EXT_OP_MEM_BASE_ADDR_LO_REG); + iowrite32(hi, hw->mem_addr + H_GSC_EXT_OP_MEM_BASE_ADDR_HI_REG); + iowrite32(limit, hw->mem_addr + H_GSC_EXT_OP_MEM_LIMIT_REG); +} + static int mei_gsc_probe(struct auxiliary_device *aux_dev, const struct auxiliary_device_id *aux_dev_id) { @@ -47,7 +59,7 @@ static int mei_gsc_probe(struct auxiliary_device *aux_dev, device = &aux_dev->dev; - dev = mei_me_dev_init(device, cfg); + dev = mei_me_dev_init(device, cfg, adev->slow_firmware); if (!dev) { ret = -ENOMEM; goto err; @@ -66,13 +78,33 @@ static int mei_gsc_probe(struct auxiliary_device *aux_dev, dev_set_drvdata(device, dev); - ret = devm_request_threaded_irq(device, hw->irq, - mei_me_irq_quick_handler, - mei_me_irq_thread_handler, - IRQF_ONESHOT, KBUILD_MODNAME, dev); - if (ret) { - dev_err(device, "irq register failed %d\n", ret); - goto err; + if (adev->ext_op_mem.start) { + mei_gsc_set_ext_op_mem(hw, &adev->ext_op_mem); + dev->pxp_mode = MEI_DEV_PXP_INIT; + } + + /* use polling */ + if (mei_me_hw_use_polling(hw)) { + mei_disable_interrupts(dev); + mei_clear_interrupts(dev); + init_waitqueue_head(&hw->wait_active); + hw->is_active = true; /* start in active mode for initialization */ + hw->polling_thread = kthread_run(mei_me_polling_thread, dev, + "kmegscirqd/%s", dev_name(device)); + if (IS_ERR(hw->polling_thread)) { + ret = PTR_ERR(hw->polling_thread); + dev_err(device, "unable to create kernel thread: %d\n", ret); + goto err; + } + } else { + ret = devm_request_threaded_irq(device, hw->irq, + mei_me_irq_quick_handler, + mei_me_irq_thread_handler, + IRQF_ONESHOT, KBUILD_MODNAME, dev); + if (ret) { + dev_err(device, "irq register failed %d\n", ret); + goto err; + } } pm_runtime_get_noresume(device); @@ -98,7 +130,8 @@ static int mei_gsc_probe(struct auxiliary_device *aux_dev, register_err: mei_stop(dev); - devm_free_irq(device, hw->irq, dev); + if (!mei_me_hw_use_polling(hw)) + devm_free_irq(device, hw->irq, dev); err: dev_err(device, "probe failed: %d\n", ret); @@ -119,12 +152,17 @@ static void mei_gsc_remove(struct auxiliary_device *aux_dev) mei_stop(dev); + hw = to_me_hw(dev); + if (mei_me_hw_use_polling(hw)) + kthread_stop(hw->polling_thread); + mei_deregister(dev); pm_runtime_disable(&aux_dev->dev); mei_disable_interrupts(dev); - devm_free_irq(&aux_dev->dev, hw->irq, dev); + if (!mei_me_hw_use_polling(hw)) + devm_free_irq(&aux_dev->dev, hw->irq, dev); } static int __maybe_unused mei_gsc_pm_suspend(struct device *device) @@ -144,11 +182,22 @@ static int __maybe_unused mei_gsc_pm_suspend(struct device *device) static int __maybe_unused mei_gsc_pm_resume(struct device *device) { struct mei_device *dev = dev_get_drvdata(device); + struct auxiliary_device *aux_dev; + struct mei_aux_device *adev; int err; + struct mei_me_hw *hw; if (!dev) return -ENODEV; + hw = to_me_hw(dev); + aux_dev = to_auxiliary_dev(device); + adev = auxiliary_dev_to_mei_aux_dev(aux_dev); + if (adev->ext_op_mem.start) { + mei_gsc_set_ext_op_mem(hw, &adev->ext_op_mem); + dev->pxp_mode = MEI_DEV_PXP_INIT; + } + err = mei_restart(dev); if (err) return err; @@ -185,6 +234,9 @@ static int __maybe_unused mei_gsc_pm_runtime_suspend(struct device *device) if (mei_write_is_idle(dev)) { hw = to_me_hw(dev); hw->pg_state = MEI_PG_ON; + + if (mei_me_hw_use_polling(hw)) + hw->is_active = false; ret = 0; } else { ret = -EAGAIN; @@ -209,6 +261,11 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device) hw = to_me_hw(dev); hw->pg_state = MEI_PG_OFF; + if (mei_me_hw_use_polling(hw)) { + hw->is_active = true; + wake_up(&hw->wait_active); + } + mutex_unlock(&dev->device_lock); irq_ret = mei_me_irq_thread_handler(1, dev); diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index cf2b8261da14..de712cbf5d07 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ #include <linux/export.h> @@ -232,7 +232,7 @@ int mei_hbm_start_wait(struct mei_device *dev) mutex_unlock(&dev->device_lock); ret = wait_event_timeout(dev->wait_hbm_start, dev->hbm_state != MEI_HBM_STARTING, - mei_secs_to_jiffies(MEI_HBM_TIMEOUT)); + dev->timeouts.hbm); mutex_lock(&dev->device_lock); if (ret == 0 && (dev->hbm_state <= MEI_HBM_STARTING)) { @@ -275,7 +275,7 @@ int mei_hbm_start_req(struct mei_device *dev) } dev->hbm_state = MEI_HBM_STARTING; - dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; + dev->init_clients_timer = dev->timeouts.client_init; mei_schedule_stall_timer(dev); return 0; } @@ -316,7 +316,7 @@ static int mei_hbm_dma_setup_req(struct mei_device *dev) } dev->hbm_state = MEI_HBM_DR_SETUP; - dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; + dev->init_clients_timer = dev->timeouts.client_init; mei_schedule_stall_timer(dev); return 0; } @@ -351,7 +351,7 @@ static int mei_hbm_capabilities_req(struct mei_device *dev) } dev->hbm_state = MEI_HBM_CAP_SETUP; - dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; + dev->init_clients_timer = dev->timeouts.client_init; mei_schedule_stall_timer(dev); return 0; } @@ -385,7 +385,7 @@ static int mei_hbm_enum_clients_req(struct mei_device *dev) return ret; } dev->hbm_state = MEI_HBM_ENUM_CLIENTS; - dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; + dev->init_clients_timer = dev->timeouts.client_init; mei_schedule_stall_timer(dev); return 0; } @@ -751,7 +751,7 @@ static int mei_hbm_prop_req(struct mei_device *dev, unsigned long start_idx) return ret; } - dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; + dev->init_clients_timer = dev->timeouts.client_init; mei_schedule_stall_timer(dev); return 0; diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 15e8e2b322b1..99966cd3e7d8 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (c) 2003-2019, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ #ifndef _MEI_HW_MEI_REGS_H_ @@ -127,6 +127,8 @@ # define PCI_CFG_HFS_3_FW_SKU_SPS 0x00000060 #define PCI_CFG_HFS_4 0x64 #define PCI_CFG_HFS_5 0x68 +# define GSC_CFG_HFS_5_BOOT_TYPE_MSK 0x00000003 +# define GSC_CFG_HFS_5_BOOT_TYPE_PXP 3 #define PCI_CFG_HFS_6 0x6C /* MEI registers */ @@ -143,6 +145,11 @@ /* H_D0I3C - D0I3 Control */ #define H_D0I3C 0x800 +#define H_GSC_EXT_OP_MEM_BASE_ADDR_LO_REG 0x100 +#define H_GSC_EXT_OP_MEM_BASE_ADDR_HI_REG 0x104 +#define H_GSC_EXT_OP_MEM_LIMIT_REG 0x108 +#define GSC_EXT_OP_MEM_VALID BIT(31) + /* register bits of H_CSR (Host Control Status register) */ /* Host Circular Buffer Depth - maximum number of 32-bit entries in CB */ #define H_CBD 0xFF000000 diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 3a95fe7d4e33..9e2f781c6ed5 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -10,6 +10,7 @@ #include <linux/interrupt.h> #include <linux/pm_runtime.h> #include <linux/sizes.h> +#include <linux/delay.h> #include "mei_dev.h" #include "hbm.h" @@ -327,9 +328,12 @@ static void mei_me_intr_clear(struct mei_device *dev) */ static void mei_me_intr_enable(struct mei_device *dev) { - u32 hcsr = mei_hcsr_read(dev); + u32 hcsr; + + if (mei_me_hw_use_polling(to_me_hw(dev))) + return; - hcsr |= H_CSR_IE_MASK; + hcsr = mei_hcsr_read(dev) | H_CSR_IE_MASK; mei_hcsr_set(dev, hcsr); } @@ -354,6 +358,9 @@ static void mei_me_synchronize_irq(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + if (mei_me_hw_use_polling(hw)) + return; + synchronize_irq(hw->irq); } @@ -380,7 +387,10 @@ static void mei_me_host_set_ready(struct mei_device *dev) { u32 hcsr = mei_hcsr_read(dev); - hcsr |= H_CSR_IE_MASK | H_IG | H_RDY; + if (!mei_me_hw_use_polling(to_me_hw(dev))) + hcsr |= H_CSR_IE_MASK; + + hcsr |= H_IG | H_RDY; mei_hcsr_set(dev, hcsr); } @@ -424,6 +434,29 @@ static bool mei_me_hw_is_resetting(struct mei_device *dev) } /** + * mei_gsc_pxp_check - check for gsc firmware entering pxp mode + * + * @dev: the device structure + */ +static void mei_gsc_pxp_check(struct mei_device *dev) +{ + struct mei_me_hw *hw = to_me_hw(dev); + u32 fwsts5 = 0; + + if (dev->pxp_mode == MEI_DEV_PXP_DEFAULT) + return; + + hw->read_fws(dev, PCI_CFG_HFS_5, &fwsts5); + trace_mei_pci_cfg_read(dev->dev, "PCI_CFG_HFS_5", PCI_CFG_HFS_5, fwsts5); + if ((fwsts5 & GSC_CFG_HFS_5_BOOT_TYPE_MSK) == GSC_CFG_HFS_5_BOOT_TYPE_PXP) { + dev_dbg(dev->dev, "pxp mode is ready 0x%08x\n", fwsts5); + dev->pxp_mode = MEI_DEV_PXP_READY; + } else { + dev_dbg(dev->dev, "pxp mode is not ready 0x%08x\n", fwsts5); + } +} + +/** * mei_me_hw_ready_wait - wait until the me(hw) has turned ready * or timeout is reached * @@ -435,13 +468,15 @@ static int mei_me_hw_ready_wait(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_hw_ready, dev->recvd_hw_ready, - mei_secs_to_jiffies(MEI_HW_READY_TIMEOUT)); + dev->timeouts.hw_ready); mutex_lock(&dev->device_lock); if (!dev->recvd_hw_ready) { dev_err(dev->dev, "wait hw ready failed\n"); return -ETIME; } + mei_gsc_pxp_check(dev); + mei_me_hw_reset_release(dev); dev->recvd_hw_ready = false; return 0; @@ -697,7 +732,6 @@ static void mei_me_pg_unset(struct mei_device *dev) static int mei_me_pg_legacy_enter_sync(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); - unsigned long timeout = mei_secs_to_jiffies(MEI_PGI_TIMEOUT); int ret; dev->pg_event = MEI_PG_EVENT_WAIT; @@ -708,7 +742,8 @@ static int mei_me_pg_legacy_enter_sync(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_RECEIVED, timeout); + dev->pg_event == MEI_PG_EVENT_RECEIVED, + dev->timeouts.pgi); mutex_lock(&dev->device_lock); if (dev->pg_event == MEI_PG_EVENT_RECEIVED) { @@ -734,7 +769,6 @@ static int mei_me_pg_legacy_enter_sync(struct mei_device *dev) static int mei_me_pg_legacy_exit_sync(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); - unsigned long timeout = mei_secs_to_jiffies(MEI_PGI_TIMEOUT); int ret; if (dev->pg_event == MEI_PG_EVENT_RECEIVED) @@ -746,7 +780,8 @@ static int mei_me_pg_legacy_exit_sync(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_RECEIVED, timeout); + dev->pg_event == MEI_PG_EVENT_RECEIVED, + dev->timeouts.pgi); mutex_lock(&dev->device_lock); reply: @@ -762,7 +797,8 @@ reply: mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, timeout); + dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, + dev->timeouts.pgi); mutex_lock(&dev->device_lock); if (dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED) @@ -877,8 +913,6 @@ static u32 mei_me_d0i3_unset(struct mei_device *dev) static int mei_me_d0i3_enter_sync(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); - unsigned long d0i3_timeout = mei_secs_to_jiffies(MEI_D0I3_TIMEOUT); - unsigned long pgi_timeout = mei_secs_to_jiffies(MEI_PGI_TIMEOUT); int ret; u32 reg; @@ -900,7 +934,8 @@ static int mei_me_d0i3_enter_sync(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_RECEIVED, pgi_timeout); + dev->pg_event == MEI_PG_EVENT_RECEIVED, + dev->timeouts.pgi); mutex_lock(&dev->device_lock); if (dev->pg_event != MEI_PG_EVENT_RECEIVED) { @@ -920,7 +955,8 @@ static int mei_me_d0i3_enter_sync(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, d0i3_timeout); + dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, + dev->timeouts.d0i3); mutex_lock(&dev->device_lock); if (dev->pg_event != MEI_PG_EVENT_INTR_RECEIVED) { @@ -980,7 +1016,6 @@ on: static int mei_me_d0i3_exit_sync(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); - unsigned long timeout = mei_secs_to_jiffies(MEI_D0I3_TIMEOUT); int ret; u32 reg; @@ -1003,7 +1038,8 @@ static int mei_me_d0i3_exit_sync(struct mei_device *dev) mutex_unlock(&dev->device_lock); wait_event_timeout(dev->wait_pg, - dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, timeout); + dev->pg_event == MEI_PG_EVENT_INTR_RECEIVED, + dev->timeouts.d0i3); mutex_lock(&dev->device_lock); if (dev->pg_event != MEI_PG_EVENT_INTR_RECEIVED) { @@ -1176,7 +1212,7 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) hcsr |= H_RST | H_IG | H_CSR_IS_MASK; - if (!intr_enable) + if (!intr_enable || mei_me_hw_use_polling(to_me_hw(dev))) hcsr &= ~H_CSR_IE_MASK; dev->recvd_hw_ready = false; @@ -1259,7 +1295,8 @@ irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id) /* check if ME wants a reset */ if (!mei_hw_is_ready(dev) && dev->dev_state != MEI_DEV_RESETTING) { - dev_warn(dev->dev, "FW not ready: resetting.\n"); + dev_warn(dev->dev, "FW not ready: resetting: dev_state = %d pxp = %d\n", + dev->dev_state, dev->pxp_mode); if (dev->dev_state == MEI_DEV_POWERING_DOWN || dev->dev_state == MEI_DEV_POWER_DOWN) mei_cl_all_disconnect(dev); @@ -1331,6 +1368,66 @@ end: } EXPORT_SYMBOL_GPL(mei_me_irq_thread_handler); +#define MEI_POLLING_TIMEOUT_ACTIVE 100 +#define MEI_POLLING_TIMEOUT_IDLE 500 + +/** + * mei_me_polling_thread - interrupt register polling thread + * + * The thread monitors the interrupt source register and calls + * mei_me_irq_thread_handler() to handle the firmware + * input. + * + * The function polls in MEI_POLLING_TIMEOUT_ACTIVE timeout + * in case there was an event, in idle case the polling + * time increases yet again by MEI_POLLING_TIMEOUT_ACTIVE + * up to MEI_POLLING_TIMEOUT_IDLE. + * + * @_dev: mei device + * + * Return: always 0 + */ +int mei_me_polling_thread(void *_dev) +{ + struct mei_device *dev = _dev; + irqreturn_t irq_ret; + long polling_timeout = MEI_POLLING_TIMEOUT_ACTIVE; + + dev_dbg(dev->dev, "kernel thread is running\n"); + while (!kthread_should_stop()) { + struct mei_me_hw *hw = to_me_hw(dev); + u32 hcsr; + + wait_event_timeout(hw->wait_active, + hw->is_active || kthread_should_stop(), + msecs_to_jiffies(MEI_POLLING_TIMEOUT_IDLE)); + + if (kthread_should_stop()) + break; + + hcsr = mei_hcsr_read(dev); + if (me_intr_src(hcsr)) { + polling_timeout = MEI_POLLING_TIMEOUT_ACTIVE; + irq_ret = mei_me_irq_thread_handler(1, dev); + if (irq_ret != IRQ_HANDLED) + dev_err(dev->dev, "irq_ret %d\n", irq_ret); + } else { + /* + * Increase timeout by MEI_POLLING_TIMEOUT_ACTIVE + * up to MEI_POLLING_TIMEOUT_IDLE + */ + polling_timeout = clamp_val(polling_timeout + MEI_POLLING_TIMEOUT_ACTIVE, + MEI_POLLING_TIMEOUT_ACTIVE, + MEI_POLLING_TIMEOUT_IDLE); + } + + schedule_timeout_interruptible(msecs_to_jiffies(polling_timeout)); + } + + return 0; +} +EXPORT_SYMBOL_GPL(mei_me_polling_thread); + static const struct mei_hw_ops mei_me_hw_ops = { .trc_status = mei_me_trc_status, @@ -1636,11 +1733,12 @@ EXPORT_SYMBOL_GPL(mei_me_get_cfg); * * @parent: device associated with physical device (pci/platform) * @cfg: per device generation config + * @slow_fw: configure longer timeouts as FW is slow * * Return: The mei_device pointer on success, NULL on failure. */ struct mei_device *mei_me_dev_init(struct device *parent, - const struct mei_cfg *cfg) + const struct mei_cfg *cfg, bool slow_fw) { struct mei_device *dev; struct mei_me_hw *hw; @@ -1655,7 +1753,7 @@ struct mei_device *mei_me_dev_init(struct device *parent, for (i = 0; i < DMA_DSCR_NUM; i++) dev->dr_dscr[i].size = cfg->dma_size[i]; - mei_device_init(dev, parent, &mei_me_hw_ops); + mei_device_init(dev, parent, slow_fw, &mei_me_hw_ops); hw->cfg = cfg; dev->fw_f_fw_ver_supported = cfg->fw_ver_supported; diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h index a071c645e905..95cf830b7c7b 100644 --- a/drivers/misc/mei/hw-me.h +++ b/drivers/misc/mei/hw-me.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (c) 2012-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2012-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -51,6 +51,9 @@ struct mei_cfg { * @d0i3_supported: di03 support * @hbuf_depth: depth of hardware host/write buffer in slots * @read_fws: read FW status register handler + * @polling_thread: interrupt polling thread + * @wait_active: the polling thread activity wait queue + * @is_active: the device is active */ struct mei_me_hw { const struct mei_cfg *cfg; @@ -60,10 +63,19 @@ struct mei_me_hw { bool d0i3_supported; u8 hbuf_depth; int (*read_fws)(const struct mei_device *dev, int where, u32 *val); + /* polling */ + struct task_struct *polling_thread; + wait_queue_head_t wait_active; + bool is_active; }; #define to_me_hw(dev) (struct mei_me_hw *)((dev)->hw) +static inline bool mei_me_hw_use_polling(const struct mei_me_hw *hw) +{ + return hw->irq < 0; +} + /** * enum mei_cfg_idx - indices to platform specific configurations. * @@ -120,12 +132,13 @@ enum mei_cfg_idx { const struct mei_cfg *mei_me_get_cfg(kernel_ulong_t idx); struct mei_device *mei_me_dev_init(struct device *parent, - const struct mei_cfg *cfg); + const struct mei_cfg *cfg, bool slow_fw); int mei_me_pg_enter_sync(struct mei_device *dev); int mei_me_pg_exit_sync(struct mei_device *dev); irqreturn_t mei_me_irq_quick_handler(int irq, void *dev_id); irqreturn_t mei_me_irq_thread_handler(int irq, void *dev_id); +int mei_me_polling_thread(void *_dev); #endif /* _MEI_INTERFACE_H_ */ diff --git a/drivers/misc/mei/hw-txe.c b/drivers/misc/mei/hw-txe.c index 00652c137cc7..9862c6cd3e32 100644 --- a/drivers/misc/mei/hw-txe.c +++ b/drivers/misc/mei/hw-txe.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2013-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2013-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -1201,7 +1201,7 @@ struct mei_device *mei_txe_dev_init(struct pci_dev *pdev) if (!dev) return NULL; - mei_device_init(dev, &pdev->dev, &mei_txe_hw_ops); + mei_device_init(dev, &pdev->dev, false, &mei_txe_hw_ops); hw = to_txe_hw(dev); diff --git a/drivers/misc/mei/hw.h b/drivers/misc/mei/hw.h index b46077b17114..e7e020dba6b1 100644 --- a/drivers/misc/mei/hw.h +++ b/drivers/misc/mei/hw.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -16,11 +16,16 @@ #define MEI_CONNECT_TIMEOUT 3 /* HPS: at least 2 seconds */ #define MEI_CL_CONNECT_TIMEOUT 15 /* HPS: Client Connect Timeout */ +#define MEI_CL_CONNECT_TIMEOUT_SLOW 30 /* HPS: Client Connect Timeout, slow FW */ #define MEI_CLIENTS_INIT_TIMEOUT 15 /* HPS: Clients Enumeration Timeout */ #define MEI_PGI_TIMEOUT 1 /* PG Isolation time response 1 sec */ #define MEI_D0I3_TIMEOUT 5 /* D0i3 set/unset max response time */ #define MEI_HBM_TIMEOUT 1 /* 1 second */ +#define MEI_HBM_TIMEOUT_SLOW 5 /* 5 second, slow FW */ + +#define MKHI_RCV_TIMEOUT 500 /* receive timeout in msec */ +#define MKHI_RCV_TIMEOUT_SLOW 10000 /* receive timeout in msec, slow FW */ /* * FW page size for DMA allocations diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index eb052005ca86..bac8852aad51 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2012-2019, Intel Corporation. All rights reserved. + * Copyright (c) 2012-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -218,16 +218,6 @@ int mei_start(struct mei_device *dev) goto err; } - if (!mei_host_is_ready(dev)) { - dev_err(dev->dev, "host is not ready.\n"); - goto err; - } - - if (!mei_hw_is_ready(dev)) { - dev_err(dev->dev, "ME is not ready.\n"); - goto err; - } - if (!mei_hbm_version_is_supported(dev)) { dev_dbg(dev->dev, "MEI start failed.\n"); goto err; @@ -320,6 +310,8 @@ void mei_stop(struct mei_device *dev) mei_clear_interrupts(dev); mei_synchronize_irq(dev); + /* to catch HW-initiated reset */ + mei_cancel_work(dev); mutex_lock(&dev->device_lock); @@ -357,14 +349,16 @@ bool mei_write_is_idle(struct mei_device *dev) EXPORT_SYMBOL_GPL(mei_write_is_idle); /** - * mei_device_init -- initialize mei_device structure + * mei_device_init - initialize mei_device structure * * @dev: the mei device * @device: the device structure + * @slow_fw: configure longer timeouts as FW is slow * @hw_ops: hw operations */ void mei_device_init(struct mei_device *dev, struct device *device, + bool slow_fw, const struct mei_hw_ops *hw_ops) { /* setup our list array */ @@ -393,6 +387,8 @@ void mei_device_init(struct mei_device *dev, bitmap_zero(dev->host_clients_map, MEI_CLIENTS_MAX); dev->open_handle_count = 0; + dev->pxp_mode = MEI_DEV_PXP_DEFAULT; + /* * Reserving the first client ID * 0: Reserved for MEI Bus Message communications @@ -402,6 +398,21 @@ void mei_device_init(struct mei_device *dev, dev->pg_event = MEI_PG_EVENT_IDLE; dev->ops = hw_ops; dev->dev = device; + + dev->timeouts.hw_ready = mei_secs_to_jiffies(MEI_HW_READY_TIMEOUT); + dev->timeouts.connect = MEI_CONNECT_TIMEOUT; + dev->timeouts.client_init = MEI_CLIENTS_INIT_TIMEOUT; + dev->timeouts.pgi = mei_secs_to_jiffies(MEI_PGI_TIMEOUT); + dev->timeouts.d0i3 = mei_secs_to_jiffies(MEI_D0I3_TIMEOUT); + if (slow_fw) { + dev->timeouts.cl_connect = mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT_SLOW); + dev->timeouts.hbm = mei_secs_to_jiffies(MEI_HBM_TIMEOUT_SLOW); + dev->timeouts.mkhi_recv = msecs_to_jiffies(MKHI_RCV_TIMEOUT_SLOW); + } else { + dev->timeouts.cl_connect = mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT); + dev->timeouts.hbm = mei_secs_to_jiffies(MEI_HBM_TIMEOUT); + dev->timeouts.mkhi_recv = msecs_to_jiffies(MKHI_RCV_TIMEOUT); + } } EXPORT_SYMBOL_GPL(mei_device_init); diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 786f7c8f7f61..930887e7e38d 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -571,7 +571,7 @@ static int mei_ioctl_connect_vtag(struct file *file, cl->state == MEI_FILE_DISCONNECTED || cl->state == MEI_FILE_DISCONNECT_REQUIRED || cl->state == MEI_FILE_DISCONNECT_REPLY), - mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT)); + dev->timeouts.cl_connect); mutex_lock(&dev->device_lock); } diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 694f866f87ef..6bb3e1ba9ded 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (c) 2003-2019, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -62,6 +62,21 @@ enum mei_dev_state { MEI_DEV_POWER_UP }; +/** + * enum mei_dev_pxp_mode - MEI PXP mode state + * + * @MEI_DEV_PXP_DEFAULT: PCH based device, no initailization required + * @MEI_DEV_PXP_INIT: device requires initialization, send setup message to firmware + * @MEI_DEV_PXP_SETUP: device is in setup stage, waiting for firmware repsonse + * @MEI_DEV_PXP_READY: device initialized + */ +enum mei_dev_pxp_mode { + MEI_DEV_PXP_DEFAULT = 0, + MEI_DEV_PXP_INIT = 1, + MEI_DEV_PXP_SETUP = 2, + MEI_DEV_PXP_READY = 3, +}; + const char *mei_dev_state_str(int state); enum mei_file_transaction_states { @@ -415,6 +430,17 @@ struct mei_fw_version { #define MEI_MAX_FW_VER_BLOCKS 3 +struct mei_dev_timeouts { + unsigned long hw_ready; /* Timeout on ready message, in jiffies */ + int connect; /* HPS: at least 2 seconds, in seconds */ + unsigned long cl_connect; /* HPS: Client Connect Timeout, in jiffies */ + int client_init; /* HPS: Clients Enumeration Timeout, in seconds */ + unsigned long pgi; /* PG Isolation time response, in jiffies */ + unsigned int d0i3; /* D0i3 set/unset max response time, in jiffies */ + unsigned long hbm; /* HBM operation timeout, in jiffies */ + unsigned long mkhi_recv; /* receive timeout, in jiffies */ +}; + /** * struct mei_device - MEI private device struct * @@ -443,6 +469,7 @@ struct mei_fw_version { * @reset_count : number of consecutive resets * @dev_state : device state * @hbm_state : state of host bus message protocol + * @pxp_mode : PXP device mode * @init_clients_timer : HBM init handshake timeout * * @pg_event : power gating event @@ -480,6 +507,8 @@ struct mei_fw_version { * @allow_fixed_address: allow user space to connect a fixed client * @override_fixed_address: force allow fixed address behavior * + * @timeouts: actual timeout values + * * @reset_work : work item for the device reset * @bus_rescan_work : work item for the bus rescan * @@ -524,6 +553,7 @@ struct mei_device { unsigned long reset_count; enum mei_dev_state dev_state; enum mei_hbm_state hbm_state; + enum mei_dev_pxp_mode pxp_mode; u16 init_clients_timer; /* @@ -568,6 +598,8 @@ struct mei_device { bool allow_fixed_address; bool override_fixed_address; + struct mei_dev_timeouts timeouts; + struct work_struct reset_work; struct work_struct bus_rescan_work; @@ -632,6 +664,7 @@ static inline u32 mei_slots2data(int slots) */ void mei_device_init(struct mei_device *dev, struct device *device, + bool slow_fw, const struct mei_hw_ops *hw_ops); int mei_reset(struct mei_device *dev); int mei_start(struct mei_device *dev); diff --git a/drivers/misc/mei/mkhi.h b/drivers/misc/mei/mkhi.h new file mode 100644 index 000000000000..1473ea489666 --- /dev/null +++ b/drivers/misc/mei/mkhi.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. + * Intel Management Engine Interface (Intel MEI) Linux driver + */ + +#ifndef _MEI_MKHI_H_ +#define _MEI_MKHI_H_ + +#include <linux/types.h> + +#define MKHI_FEATURE_PTT 0x10 + +#define MKHI_FWCAPS_GROUP_ID 0x3 +#define MKHI_FWCAPS_SET_OS_VER_APP_RULE_CMD 6 +#define MKHI_GEN_GROUP_ID 0xFF +#define MKHI_GEN_GET_FW_VERSION_CMD 0x2 + +#define MKHI_GROUP_ID_GFX 0x30 +#define MKHI_GFX_RESET_WARN_CMD_REQ 0x0 +#define MKHI_GFX_MEMORY_READY_CMD_REQ 0x1 + +/* Allow transition to PXP mode without approval */ +#define MKHI_GFX_MEM_READY_PXP_ALLOWED 0x1 + +struct mkhi_rule_id { + __le16 rule_type; + u8 feature_id; + u8 reserved; +} __packed; + +struct mkhi_fwcaps { + struct mkhi_rule_id id; + u8 len; + u8 data[]; +} __packed; + +struct mkhi_msg_hdr { + u8 group_id; + u8 command; + u8 reserved; + u8 result; +} __packed; + +struct mkhi_msg { + struct mkhi_msg_hdr hdr; + u8 data[]; +} __packed; + +struct mkhi_gfx_mem_ready { + struct mkhi_msg_hdr hdr; + u32 flags; +} __packed; + +#endif /* _MEI_MKHI_H_ */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 5435604327a7..704cd0caa172 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2003-2020, Intel Corporation. All rights reserved. + * Copyright (c) 2003-2022, Intel Corporation. All rights reserved. * Intel Management Engine Interface (Intel MEI) Linux driver */ @@ -203,7 +203,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } /* allocates and initializes the mei dev structure */ - dev = mei_me_dev_init(&pdev->dev, cfg); + dev = mei_me_dev_init(&pdev->dev, cfg, false); if (!dev) { err = -ENOMEM; goto end; |