Merge tag 'amd-drm-fixes-6.16-2025-06-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.16-2025-06-18:

amdgpu:
- DP tunneling fix
- LTTPR fix
- DSC fix
- DML2.x ABGR16161616 fix
- RMCM fix
- Backlight fixes
- GFX11 kicker support
- SDMA reset fixes
- VCN 5.0.1 fix
- Reset fix
- Misc small fixes

amdkfd:
- SDMA reset fix
- Fix race in GWS scheduling

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20250618203115.1533451-1-alexander.deucher@amd.com

1 files changed, 7 insertions, 23 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 8cecf25996ed..5fec808d7f54 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -41,22 +41,6 @@
 #include "amdgpu_trace.h"
 #include "amdgpu_reset.h"
 
-/*
- * Fences mark an event in the GPUs pipeline and are used
- * for GPU/CPU synchronization.  When the fence is written,
- * it is expected that all buffers associated with that fence
- * are no longer in use by the associated ring on the GPU and
- * that the relevant GPU caches have been flushed.
- */
-
-struct amdgpu_fence {
-	struct dma_fence base;
-
-	/* RB, DMA, etc. */
-	struct amdgpu_ring		*ring;
-	ktime_t				start_timestamp;
-};
-
 static struct kmem_cache *amdgpu_fence_slab;
 
 int amdgpu_fence_slab_init(void)
@@ -151,12 +135,12 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, struct amd
 		am_fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_ATOMIC);
 		if (am_fence == NULL)
 			return -ENOMEM;
-		fence = &am_fence->base;
-		am_fence->ring = ring;
 	} else {
 		/* take use of job-embedded fence */
-		fence = &job->hw_fence;
+		am_fence = &job->hw_fence;
 	}
+	fence = &am_fence->base;
+	am_fence->ring = ring;
 
 	seq = ++ring->fence_drv.sync_seq;
 	if (job && job->job_run_counter) {
@@ -718,7 +702,7 @@ void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring)
 			 * it right here or we won't be able to track them in fence_drv
 			 * and they will remain unsignaled during sa_bo free.
 			 */
-			job = container_of(old, struct amdgpu_job, hw_fence);
+			job = container_of(old, struct amdgpu_job, hw_fence.base);
 			if (!job->base.s_fence && !dma_fence_is_signaled(old))
 				dma_fence_signal(old);
 			RCU_INIT_POINTER(*ptr, NULL);
@@ -780,7 +764,7 @@ static const char *amdgpu_fence_get_timeline_name(struct dma_fence *f)
 
 static const char *amdgpu_job_fence_get_timeline_name(struct dma_fence *f)
 {
-	struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence);
+	struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence.base);
 
 	return (const char *)to_amdgpu_ring(job->base.sched)->name;
 }
@@ -810,7 +794,7 @@ static bool amdgpu_fence_enable_signaling(struct dma_fence *f)
  */
 static bool amdgpu_job_fence_enable_signaling(struct dma_fence *f)
 {
-	struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence);
+	struct amdgpu_job *job = container_of(f, struct amdgpu_job, hw_fence.base);
 
 	if (!timer_pending(&to_amdgpu_ring(job->base.sched)->fence_drv.fallback_timer))
 		amdgpu_fence_schedule_fallback(to_amdgpu_ring(job->base.sched));
@@ -845,7 +829,7 @@ static void amdgpu_job_fence_free(struct rcu_head *rcu)
 	struct dma_fence *f = container_of(rcu, struct dma_fence, rcu);
 
 	/* free job if fence has a parent job */
-	kfree(container_of(f, struct amdgpu_job, hw_fence));
+	kfree(container_of(f, struct amdgpu_job, hw_fence.base));
 }
 
 /**