Drop DC initialization when DCN is harvested in VBIOS. The way
doesn't affect virtual display ip initialization.
Signed-off-by: Likun Gao <likun....@amd.com>
Signed-off-by: Asher Song <asher.s...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8848e2b9bef9..148da7ca5d55 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3122,7 +3122,9 @@ bool amdgpu_device_asic_has_dc_support(enum amd_asic_type
asic_type)
*/
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 amdgpu_device_asic_has_dc_support(adev->asic_type);
--
2.25.1
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