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authorChristian König <[email protected]>2024-12-06 14:46:06 +0100
committerAlex Deucher <[email protected]>2024-12-10 10:26:18 -0500
commitf4df208177d02f1c90f3644da3a2453080b8c24f (patch)
tree6fe80c31091f71072a3aaf6735a21dd5c3a80ed9 /drivers/gpu/drm/amd/amdgpu
parentee2003d5fd139f5c881b87615c216c0053b69093 (diff)
drm/amdgpu: fix when the cleaner shader is emitted
Emitting the cleaner shader must come after the check if a VM switch is necessary or not. Otherwise we will emit the cleaner shader every time and not just when it is necessary because we switched between applications. This can otherwise crash on gang submit and probably decreases performance quite a bit. v2: squash in fix from Srini (Alex) Signed-off-by: Christian König <[email protected]> Fixes: ee7a846ea27b ("drm/amdgpu: Emit cleaner shader at end of IB submission") Acked-by: Alex Deucher <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: [email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 8d9bf7a0857f..ddd7f05e4db9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -674,12 +674,8 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
pasid_mapping_needed &= adev->gmc.gmc_funcs->emit_pasid_mapping &&
ring->funcs->emit_wreg;
- if (adev->gfx.enable_cleaner_shader &&
- ring->funcs->emit_cleaner_shader &&
- job->enforce_isolation)
- ring->funcs->emit_cleaner_shader(ring);
-
- if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync)
+ if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync &&
+ !(job->enforce_isolation && !job->vmid))
return 0;
amdgpu_ring_ib_begin(ring);
@@ -690,6 +686,11 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
if (need_pipe_sync)
amdgpu_ring_emit_pipeline_sync(ring);
+ if (adev->gfx.enable_cleaner_shader &&
+ ring->funcs->emit_cleaner_shader &&
+ job->enforce_isolation)
+ ring->funcs->emit_cleaner_shader(ring);
+
if (vm_flush_needed) {
trace_amdgpu_vm_flush(ring, job->vmid, job->vm_pd_addr);
amdgpu_ring_emit_vm_flush(ring, job->vmid, job->vm_pd_addr);