diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_drv.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_drv.c | 96 |
1 files changed, 71 insertions, 25 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 7eb7cf9c3fa8..1f9c01be40d7 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -4,8 +4,17 @@ */ #include <linux/component.h> +#include <linux/dma-mapping.h> +#include <linux/module.h> #include <linux/of_platform.h> +#include <linux/uaccess.h> + +#include <drm/drm_debugfs.h> +#include <drm/drm_drv.h> +#include <drm/drm_file.h> +#include <drm/drm_ioctl.h> #include <drm/drm_of.h> +#include <drm/drm_prime.h> #include "etnaviv_cmdbuf.h" #include "etnaviv_drv.h" @@ -41,12 +50,19 @@ static int etnaviv_open(struct drm_device *dev, struct drm_file *file) { struct etnaviv_drm_private *priv = dev->dev_private; struct etnaviv_file_private *ctx; - int i; + int ret, i; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; + ctx->mmu = etnaviv_iommu_context_init(priv->mmu_global, + priv->cmdbuf_suballoc); + if (!ctx->mmu) { + ret = -ENOMEM; + goto out_free; + } + for (i = 0; i < ETNA_MAX_PIPES; i++) { struct etnaviv_gpu *gpu = priv->gpu[i]; struct drm_sched_rq *rq; @@ -61,6 +77,10 @@ static int etnaviv_open(struct drm_device *dev, struct drm_file *file) file->driver_priv = ctx; return 0; + +out_free: + kfree(ctx); + return ret; } static void etnaviv_postclose(struct drm_device *dev, struct drm_file *file) @@ -76,6 +96,8 @@ static void etnaviv_postclose(struct drm_device *dev, struct drm_file *file) drm_sched_entity_destroy(&ctx->sched_entity[i]); } + etnaviv_iommu_context_put(ctx->mmu); + kfree(ctx); } @@ -107,12 +129,29 @@ static int etnaviv_mm_show(struct drm_device *dev, struct seq_file *m) static int etnaviv_mmu_show(struct etnaviv_gpu *gpu, struct seq_file *m) { struct drm_printer p = drm_seq_file_printer(m); + struct etnaviv_iommu_context *mmu_context; seq_printf(m, "Active Objects (%s):\n", dev_name(gpu->dev)); - mutex_lock(&gpu->mmu->lock); - drm_mm_print(&gpu->mmu->mm, &p); - mutex_unlock(&gpu->mmu->lock); + /* + * Lock the GPU to avoid a MMU context switch just now and elevate + * the refcount of the current context to avoid it disappearing from + * under our feet. + */ + mutex_lock(&gpu->lock); + mmu_context = gpu->mmu_context; + if (mmu_context) + etnaviv_iommu_context_get(mmu_context); + mutex_unlock(&gpu->lock); + + if (!mmu_context) + return 0; + + mutex_lock(&mmu_context->lock); + drm_mm_print(&mmu_context->mm, &p); + mutex_unlock(&mmu_context->lock); + + etnaviv_iommu_context_put(mmu_context); return 0; } @@ -430,17 +469,17 @@ static int etnaviv_ioctl_pm_query_sig(struct drm_device *dev, void *data, static const struct drm_ioctl_desc etnaviv_ioctls[] = { #define ETNA_IOCTL(n, func, flags) \ DRM_IOCTL_DEF_DRV(ETNAVIV_##n, etnaviv_ioctl_##func, flags) - ETNA_IOCTL(GET_PARAM, get_param, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_NEW, gem_new, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_INFO, gem_info, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_SUBMIT, gem_submit, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(WAIT_FENCE, wait_fence, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_USERPTR, gem_userptr, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(GEM_WAIT, gem_wait, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_AUTH|DRM_RENDER_ALLOW), - ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_AUTH|DRM_RENDER_ALLOW), + ETNA_IOCTL(GET_PARAM, get_param, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_NEW, gem_new, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_INFO, gem_info, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_SUBMIT, gem_submit, DRM_RENDER_ALLOW), + ETNA_IOCTL(WAIT_FENCE, wait_fence, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_USERPTR, gem_userptr, DRM_RENDER_ALLOW), + ETNA_IOCTL(GEM_WAIT, gem_wait, DRM_RENDER_ALLOW), + ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_RENDER_ALLOW), + ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW), }; static const struct vm_operations_struct vm_ops = { @@ -462,17 +501,13 @@ static const struct file_operations fops = { }; static struct drm_driver etnaviv_drm_driver = { - .driver_features = DRIVER_GEM | - DRIVER_PRIME | - DRIVER_RENDER, + .driver_features = DRIVER_GEM | DRIVER_RENDER, .open = etnaviv_open, .postclose = etnaviv_postclose, .gem_free_object_unlocked = etnaviv_gem_free_object, .gem_vm_ops = &vm_ops, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_export = drm_gem_prime_export, - .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = etnaviv_gem_prime_pin, .gem_prime_unpin = etnaviv_gem_prime_unpin, .gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table, @@ -490,7 +525,7 @@ static struct drm_driver etnaviv_drm_driver = { .desc = "etnaviv DRM", .date = "20151214", .major = 1, - .minor = 2, + .minor = 3, }; /* @@ -521,23 +556,32 @@ static int etnaviv_bind(struct device *dev) INIT_LIST_HEAD(&priv->gem_list); priv->num_gpus = 0; + priv->cmdbuf_suballoc = etnaviv_cmdbuf_suballoc_new(drm->dev); + if (IS_ERR(priv->cmdbuf_suballoc)) { + dev_err(drm->dev, "Failed to create cmdbuf suballocator\n"); + ret = PTR_ERR(priv->cmdbuf_suballoc); + goto out_free_priv; + } + dev_set_drvdata(dev, drm); ret = component_bind_all(dev, drm); if (ret < 0) - goto out_bind; + goto out_destroy_suballoc; load_gpu(drm); ret = drm_dev_register(drm, 0); if (ret) - goto out_register; + goto out_unbind; return 0; -out_register: +out_unbind: component_unbind_all(dev, drm); -out_bind: +out_destroy_suballoc: + etnaviv_cmdbuf_suballoc_destroy(priv->cmdbuf_suballoc); +out_free_priv: kfree(priv); out_put: drm_dev_put(drm); @@ -556,6 +600,8 @@ static void etnaviv_unbind(struct device *dev) dev->dma_parms = NULL; + etnaviv_cmdbuf_suballoc_destroy(priv->cmdbuf_suballoc); + drm->dev_private = NULL; kfree(priv); |