> -----Original Message-----
> From: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Sent: Wednesday, January 8, 2020 11:05 AM
> To: Liu, Aaron <Aaron.Liu@xxxxxxx>; Alex Deucher
> <alexdeucher@xxxxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> 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 <Aaron.Liu@xxxxxxx>
> > Sent: Tuesday, January 7, 2020 9:48 PM
> > To: Alex Deucher <alexdeucher@xxxxxxxxx>; amd-
> > gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> > Subject: RE: [PATCH 2/2] drm/amdgpu: enable S/G display for renoir
> >
> > Reviewed & Tested-by: Aaron Liu <aaron.liu@xxxxxxx>
> >
>
> 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 <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> > > Alex Deucher
> > > Sent: Wednesday, January 8, 2020 5:13 AM
> > > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> > > Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> > > 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 <alexander.deucher@xxxxxxx>
> > > ---
> > >
> > > 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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> > > amd-gfx@xxxxxxxxxxxxxxxxxxxxx
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> > >
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