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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 13:43:43 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-30 13:43:43 +0300
commitbb41d2a51f0ed379cbe6b2f73271688784c40a1a (patch)
tree8c414a77b6977e23fdefad009f72f97ae9d33e14 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parent4bdb35506b89cbbd150c1baa284e7c191698241f (diff)
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
downloadlinux-bb41d2a51f0ed379cbe6b2f73271688784c40a1a.tar.xz
Merge 4.9-rc3 into driver-core-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c5
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,