drm/amdgpu: only allow scatter/gather display with DC (2c9c178b) · Commits · 戴 / test

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

drivers/gpu/drm/amd/amdgpu/amdgpu_display.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}