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authorDave Airlie <airlied@redhat.com>2018-09-20 10:01:46 +1000
committerDave Airlie <airlied@redhat.com>2018-09-20 10:01:53 +1000
commit8ca4fff974ad5288d38298f15bf218f2eac2d5e7 (patch)
tree6807271cccdc3813e7a2045e87d1f6dddba6f906
parentd5b3a31b1ceaa9d6f44646848ebde590f2a03d84 (diff)
parenta530bf948ab77b0f5cc57c55dd525eb813768782 (diff)
downloadlinux-8ca4fff974ad5288d38298f15bf218f2eac2d5e7.tar.gz
Merge tag 'drm-intel-fixes-2018-09-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Only fixes coming from gvt containing "Two more BXT fixes from Colin,
one srcu locking fix and one fix for GGTT clear when destroy vGPU."

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180919151915.GA6309@intel.com
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c1
-rw-r--r--drivers/gpu/drm/i915/gvt/kvmgt.c7
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio.c28
-rw-r--r--drivers/gpu/drm/i915/gvt/vgpu.c1
4 files changed, 36 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 72afa518edd9..94c1089ecf59 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -3210,6 +3210,7 @@ static int init_bxt_mmio_info(struct intel_gvt *gvt)
 	MMIO_D(BXT_DSI_PLL_ENABLE, D_BXT);
 
 	MMIO_D(GEN9_CLKGATE_DIS_0, D_BXT);
+	MMIO_D(GEN9_CLKGATE_DIS_4, D_BXT);
 
 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_A), D_BXT);
 	MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index c7afee37b2b8..9ad89e38f6c0 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -1833,6 +1833,8 @@ static bool kvmgt_is_valid_gfn(unsigned long handle, unsigned long gfn)
 {
 	struct kvmgt_guest_info *info;
 	struct kvm *kvm;
+	int idx;
+	bool ret;
 
 	if (!handle_valid(handle))
 		return false;
@@ -1840,8 +1842,11 @@ static bool kvmgt_is_valid_gfn(unsigned long handle, unsigned long gfn)
 	info = (struct kvmgt_guest_info *)handle;
 	kvm = info->kvm;
 
-	return kvm_is_visible_gfn(kvm, gfn);
+	idx = srcu_read_lock(&kvm->srcu);
+	ret = kvm_is_visible_gfn(kvm, gfn);
+	srcu_read_unlock(&kvm->srcu, idx);
 
+	return ret;
 }
 
 struct intel_gvt_mpt kvmgt_mpt = {
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index 994366035364..9bb9a85c992c 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -244,6 +244,34 @@ void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr)
 
 		/* set the bit 0:2(Core C-State ) to C0 */
 		vgpu_vreg_t(vgpu, GEN6_GT_CORE_STATUS) = 0;
+
+		if (IS_BROXTON(vgpu->gvt->dev_priv)) {
+			vgpu_vreg_t(vgpu, BXT_P_CR_GT_DISP_PWRON) &=
+				    ~(BIT(0) | BIT(1));
+			vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY0)) &=
+				    ~PHY_POWER_GOOD;
+			vgpu_vreg_t(vgpu, BXT_PORT_CL1CM_DW0(DPIO_PHY1)) &=
+				    ~PHY_POWER_GOOD;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY0)) &=
+				    ~BIT(30);
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL_FAMILY(DPIO_PHY1)) &=
+				    ~BIT(30);
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) &=
+				    ~BXT_PHY_LANE_ENABLED;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_A)) |=
+				    BXT_PHY_CMNLANE_POWERDOWN_ACK |
+				    BXT_PHY_LANE_POWERDOWN_ACK;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) &=
+				    ~BXT_PHY_LANE_ENABLED;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_B)) |=
+				    BXT_PHY_CMNLANE_POWERDOWN_ACK |
+				    BXT_PHY_LANE_POWERDOWN_ACK;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) &=
+				    ~BXT_PHY_LANE_ENABLED;
+			vgpu_vreg_t(vgpu, BXT_PHY_CTL(PORT_C)) |=
+				    BXT_PHY_CMNLANE_POWERDOWN_ACK |
+				    BXT_PHY_LANE_POWERDOWN_ACK;
+		}
 	} else {
 #define GVT_GEN8_MMIO_RESET_OFFSET		(0x44200)
 		/* only reset the engine related, so starting with 0x44200
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index a4e8e3cf74fd..c628be05fbfe 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -281,6 +281,7 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu)
 	intel_vgpu_clean_submission(vgpu);
 	intel_vgpu_clean_display(vgpu);
 	intel_vgpu_clean_opregion(vgpu);
+	intel_vgpu_reset_ggtt(vgpu, true);
 	intel_vgpu_clean_gtt(vgpu);
 	intel_gvt_hypervisor_detach_vgpu(vgpu);
 	intel_vgpu_free_resource(vgpu);