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drm/amdgpu: fix missing check in vm_flush()

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We shouldn't return early if we need to emit spm update.

Reviewed-by: David Rosca <david.rosca@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 54a118f1d7)
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2026-06-05 17:46:19 -04:00
parent f2a1c4c6fe
commit 47cd311850
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -800,6 +800,7 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
mutex_unlock(&id_mgr->lock);
gds_switch_needed &= !!ring->funcs->emit_gds_switch;
spm_update_needed &= !!adev->gfx.rlc.funcs->update_spm_vmid;
vm_flush_needed &= !!ring->funcs->emit_vm_flush &&
job->vm_pd_addr != AMDGPU_BO_INVALID_OFFSET;
pasid_mapping_needed &= adev->gmc.gmc_funcs->emit_pasid_mapping &&
@ -811,7 +812,7 @@ void amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,
&job->base.s_fence->scheduled == isolation->spearhead;
if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync &&
!cleaner_shader_needed)
!cleaner_shader_needed && !spm_update_needed)
return;
amdgpu_ring_ib_begin(ring);