Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 88 insertions, 32 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 34f7a29d9..db275b7ed 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1407,11 +1407,14 @@ void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
  * Triggers the actual pageflip by updating the primary
  * surface base address (evergreen+).
  */
-void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
+void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base,
+			 bool async)
 {
 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
 
 	/* update the scanout addresses */
+	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
+	       async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
 	       upper_32_bits(crtc_base));
 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
@@ -1864,7 +1867,8 @@ void evergreen_hpd_init(struct radeon_device *rdev)
 			break;
 		}
 		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
-		enabled |= 1 << radeon_connector->hpd.hpd;
+		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
+			enabled |= 1 << radeon_connector->hpd.hpd;
 	}
 	radeon_irq_kms_enable_hpd(rdev, enabled);
 }
@@ -1907,7 +1911,8 @@ void evergreen_hpd_fini(struct radeon_device *rdev)
 		default:
 			break;
 		}
-		disabled |= 1 << radeon_connector->hpd.hpd;
+		if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
+			disabled |= 1 << radeon_connector->hpd.hpd;
 	}
 	radeon_irq_kms_disable_hpd(rdev, disabled);
 }
@@ -4136,10 +4141,15 @@ void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
 	}
 }
 
-int evergreen_asic_reset(struct radeon_device *rdev)
+int evergreen_asic_reset(struct radeon_device *rdev, bool hard)
 {
 	u32 reset_mask;
 
+	if (hard) {
+		evergreen_gpu_pci_config_reset(rdev);
+		return 0;
+	}
+
 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
 
 	if (reset_mask)
@@ -5515,6 +5525,73 @@ restart_ih:
 	return IRQ_HANDLED;
 }
 
+static void evergreen_uvd_init(struct radeon_device *rdev)
+{
+	int r;
+
+	if (!rdev->has_uvd)
+		return;
+
+	r = radeon_uvd_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
+		/*
+		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
+		 * to early fails uvd_v2_2_resume() and thus nothing happens
+		 * there. So it is pointless to try to go through that code
+		 * hence why we disable uvd here.
+		 */
+		rdev->has_uvd = 0;
+		return;
+	}
+	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
+	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
+}
+
+static void evergreen_uvd_start(struct radeon_device *rdev)
+{
+	int r;
+
+	if (!rdev->has_uvd)
+		return;
+
+	r = uvd_v2_2_resume(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
+		goto error;
+	}
+	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
+		goto error;
+	}
+	return;
+
+error:
+	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+}
+
+static void evergreen_uvd_resume(struct radeon_device *rdev)
+{
+	struct radeon_ring *ring;
+	int r;
+
+	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
+		return;
+
+	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
+	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, RADEON_CP_PACKET2);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
+		return;
+	}
+	r = uvd_v1_0_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
+		return;
+	}
+}
+
 static int evergreen_startup(struct radeon_device *rdev)
 {
 	struct radeon_ring *ring;
@@ -5579,16 +5656,7 @@ static int evergreen_startup(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = uvd_v2_2_resume(rdev);
-	if (!r) {
-		r = radeon_fence_driver_start_ring(rdev,
-						   R600_RING_TYPE_UVD_INDEX);
-		if (r)
-			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
-	}
-
-	if (r)
-		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
+	evergreen_uvd_start(rdev);
 
 	/* Enable IRQ */
 	if (!rdev->irq.installed) {
@@ -5627,16 +5695,7 @@ static int evergreen_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
-	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
-	if (ring->ring_size) {
-		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
-				     RADEON_CP_PACKET2);
-		if (!r)
-			r = uvd_v1_0_init(rdev);
-
-		if (r)
-			DRM_ERROR("radeon: error initializing UVD (%d).\n", r);
-	}
+	evergreen_uvd_resume(rdev);
 
 	r = radeon_ib_pool_init(rdev);
 	if (r) {
@@ -5691,8 +5750,10 @@ int evergreen_suspend(struct radeon_device *rdev)
 {
 	radeon_pm_suspend(rdev);
 	radeon_audio_fini(rdev);
-	uvd_v1_0_fini(rdev);
-	radeon_uvd_suspend(rdev);
+	if (rdev->has_uvd) {
+		uvd_v1_0_fini(rdev);
+		radeon_uvd_suspend(rdev);
+	}
 	r700_cp_stop(rdev);
 	r600_dma_stop(rdev);
 	evergreen_irq_suspend(rdev);
@@ -5793,12 +5854,7 @@ int evergreen_init(struct radeon_device *rdev)
 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
 
-	r = radeon_uvd_init(rdev);
-	if (!r) {
-		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
-		r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX],
-			       4096);
-	}
+	evergreen_uvd_init(rdev);
 
 	rdev->ih.ring_obj = NULL;
 	r600_ih_ring_init(rdev, 64 * 1024);