Merge tag 'amd-drm-next-6.15-2025-03-21' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.15-2025-03-21:

amdgpu:
- Refine nomodeset handling
- RAS fixes
- DCN 3.x fixes
- DMUB fixes
- eDP fixes
- SMU 14.0.2 fixes
- SMU 13.0.6 fixes
- SMU 13.0.12 fixes
- SDMA engine reset fixes
- Enforce Isolation fixes
- Runtime workload profile ref count fixes
- Documentation fixes
- SR-IOV fixes
- MES fixes
- GC 11.5 cleaner shader support
- SDMA VM invalidation fixes
- IP discovery improvements for GC based chips

amdkfd:
- Dequeue wait count fixes
- Precise memops fixes

radeon:
- Code cleanup

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

From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250321210909.2809595-1-alexander.deucher@amd.com

1 files changed, 12 insertions, 4 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 935df2cdcc16c..acb21fc8b3ce5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -361,17 +361,24 @@ amdgpu_job_prepare_job(struct drm_sched_job *sched_job,
 {
 	struct amdgpu_ring *ring = to_amdgpu_ring(s_entity->rq->sched);
 	struct amdgpu_job *job = to_amdgpu_job(sched_job);
-	struct dma_fence *fence = NULL;
+	struct dma_fence *fence;
 	int r;
 
 	r = drm_sched_entity_error(s_entity);
 	if (r)
 		goto error;
 
-	if (job->gang_submit)
+	if (job->gang_submit) {
 		fence = amdgpu_device_switch_gang(ring->adev, job->gang_submit);
+		if (fence)
+			return fence;
+	}
+
+	fence = amdgpu_device_enforce_isolation(ring->adev, ring, job);
+	if (fence)
+		return fence;
 
-	if (!fence && job->vm && !job->vmid) {
+	if (job->vm && !job->vmid) {
 		r = amdgpu_vmid_grab(job->vm, ring, job, &fence);
 		if (r) {
 			dev_err(ring->adev->dev, "Error getting VM ID (%d)\n", r);
@@ -384,9 +391,10 @@ amdgpu_job_prepare_job(struct drm_sched_job *sched_job,
 		 */
 		if (!fence)
 			job->vm = NULL;
+		return fence;
 	}
 
-	return fence;
+	return NULL;
 
 error:
 	dma_fence_set_error(&job->base.s_fence->finished, r);