> -----Original Message-----
> From: Deucher, Alexander <[email protected]>
> Sent: Wednesday, January 8, 2020 11:05 AM
> To: Liu, Aaron <[email protected]>; Alex Deucher
> <[email protected]>; [email protected]
> Subject: RE: [PATCH 2/2] drm/amdgpu: enable S/G display for renoir
> 
> [AMD Official Use Only - Internal Distribution Only]
> 
> > -----Original Message-----
> > From: Liu, Aaron <[email protected]>
> > Sent: Tuesday, January 7, 2020 9:48 PM
> > To: Alex Deucher <[email protected]>; amd-
> > [email protected]
> > Cc: Deucher, Alexander <[email protected]>
> > Subject: RE: [PATCH 2/2] drm/amdgpu: enable S/G display for renoir
> >
> > Reviewed & Tested-by: Aaron Liu <[email protected]>
> >
> 
> Did you test with limited vram?  E.g, set the carve out to 32 or 64 MB so the
> driver actually uses gart for display?
> 
Hi Alex,
If I lower the UMA size to 64M.(UMA default is 512M)
For Renoir and with [PATCH 2/2], white screen appears and ubuntu desktop cannot 
boot up successfully.
For Raven, no matter with or without [PATCH 1/2], the system can bootup 
normally.

> Thanks,
> 
> Alex
> 
> > BR,
> > Aaron Liu
> >
> > > -----Original Message-----
> > > From: amd-gfx <[email protected]> On Behalf Of
> > > Alex Deucher
> > > Sent: Wednesday, January 8, 2020 5:13 AM
> > > To: [email protected]
> > > Cc: Deucher, Alexander <[email protected]>
> > > Subject: [PATCH 2/2] drm/amdgpu: enable S/G display for renoir
> > >
> > > Everything is in place so go ahead and enable this for renoir.
> > >
> > > Signed-off-by: Alex Deucher <[email protected]>
> > > ---
> > >
> > > I don't have a renoir board handy.  Can someone test this?
> > >
> > >  drivers/gpu/drm/amd/amdgpu/amdgpu_display.c       | 1 +
> > >  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 +
> > >  2 files changed, 2 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> > > b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> > > index 6d520a3eec40..318605ca9bc3 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
> > > @@ -519,6 +519,7 @@ uint32_t
> > amdgpu_display_supported_domains(struct
> > > amdgpu_device *adev,
> > >           switch (adev->asic_type) {
> > >           case CHIP_CARRIZO:
> > >           case CHIP_STONEY:
> > > +         case CHIP_RENOIR:
> > >                   domain |= AMDGPU_GEM_DOMAIN_GTT;
> > >                   break;
> > >           case CHIP_RAVEN:
> > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > > index 05118c8860f9..3be7ab0ce9e3 100644
> > > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> > > @@ -909,6 +909,7 @@ static int amdgpu_dm_init(struct amdgpu_device
> > > *adev)
> > >   switch (adev->asic_type) {
> > >   case CHIP_CARRIZO:
> > >   case CHIP_STONEY:
> > > + case CHIP_RENOIR:
> > >           init_data.flags.gpu_vm_support = true;
> > >           break;
> > >   case CHIP_RAVEN:
> > > --
> > > 2.24.1
> > >
> > > _______________________________________________
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> > > s.f
> > > reedesktop.org%2Fmailman%2Flistinfo%2Famd-
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