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drm/amdgpu: add judgement for dc support

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Drop DC initialization when DCN is harvested in VBIOS. The way
doesn't affect virtual display ip initialization.

Signed-off-by: Likun Gao  <Likun.Gao@amd.com>
Signed-off-by: Asher Song <Asher.Song@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asher Song 2021-05-21 17:11:33 +08:00 • committed by Alex Deucher
parent a53085c1d2
commit 147feb0076
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -3118,7 +3118,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
*/ */
bool amdgpu_device_has_dc_support(struct amdgpu_device *adev) bool amdgpu_device_has_dc_support(struct amdgpu_device *adev)
{ {
if (amdgpu_sriov_vf(adev) || adev->enable_virtual_display) if (amdgpu_sriov_vf(adev) ||
adev->enable_virtual_display ||
(adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK))
return false; return false;
return amdgpu_device_asic_has_dc_support(adev->asic_type); return amdgpu_device_asic_has_dc_support(adev->asic_type);