[PATCH] drm/amdgpu: enable amdgpu_dc module parameter

[Lang Yu]

On 01/20/ , Alex Deucher wrote:
> On Thu, Jan 20, 2022 at 1:25 AM Lang Yu <Lang.Yu at amd.com> wrote:
> >
> > It doesn't work under IP discovery mode. Make it work!
> >
> > Signed-off-by: Lang Yu <Lang.Yu at amd.com>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 10 ++++++++--
> >  1 file changed, 8 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > index 07965ac6381b..1ad137499e38 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > @@ -846,8 +846,14 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
> >  {
> >         if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) {
> >                 amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
> > +               return 0;
> > +       }
> > +
> > +       if (!amdgpu_device_has_dc_support(adev))
> > +               return 0;
> > +
> >  #if defined(CONFIG_DRM_AMD_DC)
> > -       } else if (adev->ip_versions[DCE_HWIP][0]) {
> > +       if (adev->ip_versions[DCE_HWIP][0]) {
> >                 switch (adev->ip_versions[DCE_HWIP][0]) {
> >                 case IP_VERSION(1, 0, 0):
> >                 case IP_VERSION(1, 0, 1):
> > @@ -882,9 +888,9 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
> >                                 adev->ip_versions[DCI_HWIP][0]);
> >                         return -EINVAL;
> >                 }
> > -#endif
> >         }
> >         return 0;
> > +#endif
> 
> I think the compiler will complain about this.  If you move the #endif
> before the return, the patch is:
> Reviewed-by: Alex Deucher <aleander.deucher at amd.com>

Thanks. I got it.

Regards,
Lang

> >  }
> >
> >  static int amdgpu_discovery_set_gc_ip_blocks(struct amdgpu_device *adev)
> > --
> > 2.25.1
> >