[AMD Official Use Only] Reviewed-by: Evan Quan <[email protected]>
> -----Original Message----- > From: amd-gfx <[email protected]> On Behalf Of Alex > Deucher > Sent: Tuesday, December 28, 2021 1:12 AM > To: [email protected] > Cc: Deucher, Alexander <[email protected]>; Tareque Md . > Hanif <[email protected]> > Subject: [PATCH] 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: 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
