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drm/amdgpu: fix ring timeout issue in gfx10 sr-iov environment

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commit 26c95e838e ("drm/amdgpu: set the VM pointer to NULL in
amdgpu_job_prepare") set job->vm as NULL if there is no fence. It will
cause emit switch buffer be skippen if job->vm set as NULL.

Check job rather than vm could solve this problem.

Fixes: 26c95e838e ("drm/amdgpu: set the VM pointer to NULL in amdgpu_job_prepare")
Signed-off-by: Lin.Cao <lincao12@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lin.Cao 2025-01-14 17:42:01 +08:00 committed by Alex Deucher
parent 1bf06a1fcd
commit b529093999
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
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@ -297,7 +297,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned int num_ibs,
amdgpu_ring_patch_cond_exec(ring, cond_exec);
ring->current_ctx = fence_ctx;
if (vm && ring->funcs->emit_switch_buffer)
if (job && ring->funcs->emit_switch_buffer)
amdgpu_ring_emit_switch_buffer(ring);
if (ring->funcs->emit_wave_limit &&