UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu: drop extra tlb invalidation in gpuvm 

We only need to flush the HDP here, not invalidate the TLB.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-01-05 10:33:48 -05:00
parent b1d128689f
commit 64b9342f31
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -857,7 +857,6 @@ restart:
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_gart_flush_gpu_tlb(adev, 0);
} else if (params.ib->length_dw == 0) {
amdgpu_job_free(job);
} else {
@ -1459,7 +1458,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
/* Flush HDP */
mb();
amdgpu_asic_flush_hdp(adev);
amdgpu_gart_flush_gpu_tlb(adev, 0);
}
spin_lock(&vm->status_lock);