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

v2: drop Arcturus and Aldebaran

Fixes: f7f12b25823c0d ("drm/amdgpu: default to true in 
amdgpu_device_asic_has_dc_support")
Reported-by: Tareque Md.Hanif <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 9dc86c5a1cad..694c3726e0f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3166,6 +3166,12 @@ 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:
-- 
2.33.1

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