[PATCH 1/4] drm/amdgpu: optimize amdgpu_device_vram_access a bit.

Only write the _HI register when necessary. Signed-off-by: Christian König Reviewed-by: Alex Deucher Acked-by: Jonathan Kim --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 17 +++-- 1 file changed, 11 insertions(+), 6 deletions(-) diff --git

[PATCH 1/4] drm/amdgpu: optimize amdgpu_device_vram_access a bit.

Only write the _HI register when necessary. Signed-off-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 17 +++-- 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c