Commit 2d32ffd6 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: fix SI handling in amdgpu_device_asic_has_dc_support() 



Properly handle SI DC support when CONFIG_DRM_AMD_DC_SI is not
set.

Fixes: f7f12b25 ("drm/amdgpu: default to true in amdgpu_device_asic_has_dc_support")
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 5702d052

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

+11 −1
Original line number Diff line number Diff line
@@ -3167,11 +3167,21 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type) 
{

	switch (asic_type) {

#if defined(CONFIG_DRM_AMD_DC)

#if defined(CONFIG_DRM_AMD_DC_SI)

	case CHIP_TAHITI:

	case CHIP_PITCAIRN:

	case CHIP_VERDE:

	case CHIP_OLAND:

		/*

		 * We have systems in the wild with these ASICs that require

		 * LVDS and VGA support which is not supported with DC.

		 *

		 * Fallback to the non-DC driver here by default so as not to

		 * cause regressions.

		 */

#if defined(CONFIG_DRM_AMD_DC_SI)

		return amdgpu_dc > 0;

#else

		return false;

#endif

	case CHIP_BONAIRE:

	case CHIP_KAVERI: