Commit 0637d417 authored Dec 23, 2021 by Alex Deucher

drm/amdgpu: no DC support for headless chips



Chips with no display hardware should return false for
DC support.

v2: drop Arcturus and Aldebaran

Fixes: f7f12b25 ("drm/amdgpu: default to true in amdgpu_device_asic_has_dc_support")
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reported-by: Tareque Md.Hanif <tarequemd.hanif@yahoo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent f28cad86

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

+6 −0

Original line number	Diff line number	Diff line
		@@ -3185,6 +3185,12 @@ static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev)
		bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
		{
		switch (asic_type) {
		#ifdef CONFIG_DRM_AMDGPU_SI
		case CHIP_HAINAN:
		#endif
		case CHIP_TOPAZ:
		/* chips with no display hardware */
		return false;
		#if defined(CONFIG_DRM_AMD_DC)
		case CHIP_TAHITI:
		case CHIP_PITCAIRN: