Merge tag 'drm-fixes-2025-11-15' of https://gitlab.freedesktop.org/drm/kernel

Pull drm fixes from Dave Airlie:
 "Weekly fixes, amdgpu and vmwgfx making up the most of it, along with
  panthor and i915/xe.

  Seems about right for this time of development, nothing major
  outstanding.

  client:
   - Fix description of module parameter

  panthor:
   - Flush writes before mapping buffers

  vmwgfx:
   - Improve command validation
   - Improve ref counting
   - Fix cursor-plane support

  amdgpu:
   - Disallow P2P DMA for GC 12 DCC surfaces
   - ctx error handling fix
   - UserQ fixes
   - VRR fix
   - ISP fix
   - JPEG 5.0.1 fix

  amdkfd:
   - Save area check fix
   - Fix GPU mappings for APU after prefetch

  i915:
   - Fix PSR's pipe to vblank conversion
   - Disable Panel Replay on MST links

  xe:
   - New HW workarounds affecting PTL and WCL platforms

* tag 'drm-fixes-2025-11-15' of https://gitlab.freedesktop.org/drm/kernel:
  drm/client: fix MODULE_PARM_DESC string for "active"
  drm/i915/dp_mst: Disable Panel Replay
  drm/amdkfd: Fix GPU mappings for APU after prefetch
  drm/amdkfd: relax checks for over allocation of save area
  drm/amdgpu/jpeg: Add parse_cs for JPEG5_0_1
  drm/amd/amdgpu: Ensure isp_kernel_buffer_alloc() creates a new BO
  drm/amd/display: Allow VRR params change if unsynced with the stream
  drm/amdgpu: fix lock warning in amdgpu_userq_fence_driver_process
  drm/amdgpu: jump to the correct label on failure
  drm/amdgpu: disable peer-to-peer access for DCC-enabled GC12 VRAM surfaces
  drm/xe/xe3lpg: Extend Wa_15016589081 for xe3lpg
  drm/xe/xe3: Extend wa_14023061436
  drm/xe/xe3: Add WA_14024681466 for Xe3_LPG
  drm/i915/psr: fix pipe to vblank conversion
  drm/panthor: Flush shmem writes before mapping buffers CPU-uncached
  drm/vmwgfx: Restore Guest-Backed only cursor plane support
  drm/vmwgfx: Use kref in vmw_bo_dirty
  drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

5 files changed, 19 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index f5d5c45ddc0d..afedea02188d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -236,7 +236,7 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
 		r = amdgpu_xcp_select_scheds(adev, hw_ip, hw_prio, fpriv,
 						&num_scheds, &scheds);
 		if (r)
-			goto cleanup_entity;
+			goto error_free_entity;
 	}
 
 	/* disable load balance if the hw engine retains context among dependent jobs */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index 8561ad7f6180..ed3bef1edfe4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -82,6 +82,18 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf,
 	struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
 
+	/*
+	 * Disable peer-to-peer access for DCC-enabled VRAM surfaces on GFX12+.
+	 * Such buffers cannot be safely accessed over P2P due to device-local
+	 * compression metadata. Fallback to system-memory path instead.
+	 * Device supports GFX12 (GC 12.x or newer)
+	 * BO was created with the AMDGPU_GEM_CREATE_GFX12_DCC flag
+	 *
+	 */
+	if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(12, 0, 0) &&
+	    bo->flags & AMDGPU_GEM_CREATE_GFX12_DCC)
+		attach->peer2peer = false;
+
 	if (!amdgpu_dmabuf_is_xgmi_accessible(attach_adev, bo) &&
 	    pci_p2pdma_distance(adev->pdev, attach->dev, false) < 0)
 		attach->peer2peer = false;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c
index 9cddbf50442a..37270c4dab8d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_isp.c
@@ -280,6 +280,8 @@ int isp_kernel_buffer_alloc(struct device *dev, u64 size,
 	if (ret)
 		return ret;
 
+	/* Ensure *bo is NULL so a new BO will be created */
+	*bo = NULL;
 	ret = amdgpu_bo_create_kernel(adev,
 				      size,
 				      ISP_MC_ADDR_ALIGN,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
index 761bad98da3e..4d0096d0baa9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
@@ -151,15 +151,16 @@ void amdgpu_userq_fence_driver_process(struct amdgpu_userq_fence_driver *fence_d
 {
 	struct amdgpu_userq_fence *userq_fence, *tmp;
 	struct dma_fence *fence;
+	unsigned long flags;
 	u64 rptr;
 	int i;
 
 	if (!fence_drv)
 		return;
 
+	spin_lock_irqsave(&fence_drv->fence_list_lock, flags);
 	rptr = amdgpu_userq_fence_read(fence_drv);
 
-	spin_lock(&fence_drv->fence_list_lock);
 	list_for_each_entry_safe(userq_fence, tmp, &fence_drv->fences, link) {
 		fence = &userq_fence->base;
 
@@ -174,7 +175,7 @@ void amdgpu_userq_fence_driver_process(struct amdgpu_userq_fence_driver *fence_d
 		list_del(&userq_fence->link);
 		dma_fence_put(fence);
 	}
-	spin_unlock(&fence_drv->fence_list_lock);
+	spin_unlock_irqrestore(&fence_drv->fence_list_lock, flags);
 }
 
 void amdgpu_userq_fence_driver_destroy(struct kref *ref)
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
index baf097d2e1ac..ab0bf880d3d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c
@@ -878,6 +878,7 @@ static const struct amdgpu_ring_funcs jpeg_v5_0_1_dec_ring_vm_funcs = {
 	.get_rptr = jpeg_v5_0_1_dec_ring_get_rptr,
 	.get_wptr = jpeg_v5_0_1_dec_ring_get_wptr,
 	.set_wptr = jpeg_v5_0_1_dec_ring_set_wptr,
+	.parse_cs = amdgpu_jpeg_dec_parse_cs,
 	.emit_frame_size =
 		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +