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| author | James Morris <james.l.morris@oracle.com> | 2016-11-14 09:34:01 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2016-11-14 09:34:01 +1100 |
| commit | 185c0f26c0267d5978b5c30d3a04f90cb245cd76 (patch) | |
| tree | 4b1324c9445bbcff095fb3ce755ec46d315bda5a /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | |
| parent | eafb7b9d01a7001ff8e9624e7dcb706844f981b3 (diff) | |
| parent | a25f0944ba9b1d8a6813fd6f1a86f1bd59ac25a6 (diff) | |
Merge commit 'v4.9-rc5' into next
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index aa074fac0c7f..f3efb1c5dae9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -754,6 +754,10 @@ static const char *amdgpu_vram_names[] = { int amdgpu_bo_init(struct amdgpu_device *adev) { + /* reserve PAT memory space to WC for VRAM */ + arch_io_reserve_memtype_wc(adev->mc.aper_base, + adev->mc.aper_size); + /* Add an MTRR for the VRAM */ adev->mc.vram_mtrr = arch_phys_wc_add(adev->mc.aper_base, adev->mc.aper_size); @@ -769,6 +773,7 @@ void amdgpu_bo_fini(struct amdgpu_device *adev) { amdgpu_ttm_fini(adev); arch_phys_wc_del(adev->mc.vram_mtrr); + arch_io_free_memtype_wc(adev->mc.aper_base, adev->mc.aper_size); } int amdgpu_bo_fbdev_mmap(struct amdgpu_bo *bo, |