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[AMD Official Use Only - Internal Distribution Only] Could anyone help to review the patch? Thanks Jacob From: He, Jacob <Jacob.He@xxxxxxx>
Sent: Monday, March 2, 2020 1:35:29 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: He, Jacob <Jacob.He@xxxxxxx> Subject: [PATCH] drm/amdgpu: Update SPM_VMID with the job's vmid when application reserves the vmid SPM access the video memory according to SPM_VMID. It should be updated
with the job's vmid right before the job is scheduled. SPM_VMID is a global resource Change-Id: Id3881908960398f87e7c95026a54ff83ff826700 Signed-off-by: Jacob He <jacob.he@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index c00696f3017e..c761d3a0b6e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1080,8 +1080,12 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, struct dma_fence *fence = NULL; bool pasid_mapping_needed = false; unsigned patch_offset = 0; + bool update_spm_vmid_needed = (job->vm && (job->vm->reserved_vmid[vmhub] != NULL)); int r; + if (update_spm_vmid_needed && adev->gfx.rlc.funcs->update_spm_vmid) + adev->gfx.rlc.funcs->update_spm_vmid(adev, job->vmid); + if (amdgpu_vmid_had_gpu_reset(adev, id)) { gds_switch_needed = true; vm_flush_needed = true; -- 2.17.1 |
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