drm/amdgpu: only allow scatter/gather display with DC

Check if DC is enabled before allowing scanout buffers
to be pinned in system memory.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-01-12 14:56:49 -05:00
parent 5d43be0ccb
commit 2c9c178b7d

View File

@ -507,9 +507,12 @@ uint32_t amdgpu_display_framebuffer_domains(struct amdgpu_device *adev)
{
uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
#if defined(CONFIG_DRM_AMD_DC)
if (adev->asic_type >= CHIP_CARRIZO && adev->asic_type < CHIP_RAVEN &&
adev->flags & AMD_IS_APU)
adev->flags & AMD_IS_APU &&
amdgpu_device_asic_has_dc_support(adev->asic_type))
domain |= AMDGPU_GEM_DOMAIN_GTT;
#endif
return domain;
}