RE: [PATCH 2/2] drm/amdgpu: add Vangogh APU flag to IP discovery path

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[AMD Official Use Only - General]

Hi Alex

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex
> Deucher
> Sent: Tuesday, November 1, 2022 9:25 PM
> To: Yuan, Perry <Perry.Yuan@xxxxxxx>
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Huang, Ray
> <Ray.Huang@xxxxxxx>; Huang, Shimmer <Shimmer.Huang@xxxxxxx>;
> amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 2/2] drm/amdgpu: add Vangogh APU flag to IP discovery
> path
> 
> Caution: This message originated from an External Source. Use proper
> caution when opening attachments, clicking links, or responding.
> 
> 
> On Tue, Nov 1, 2022 at 9:23 AM Alex Deucher <alexdeucher@xxxxxxxxx>
> wrote:
> >
> > On Tue, Nov 1, 2022 at 1:16 AM Perry Yuan <Perry.Yuan@xxxxxxx> wrote:
> > >
> > > Add the missing apu flag for Vangogh when using IP discovery code
> > > path to initialize IPs
> > >
> > > Signed-off-by: Perry Yuan <Perry.Yuan@xxxxxxx>
> >
> > Swap the order of the patches.  With that, the series is:
> > Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> 
> Actually, you also need to fix up check_seamless_boot_capability() in
> amdgpu_dm.c.  Switch that to an IP version check.
> 
> Alex

I am not sure if the IP versions only correctly match the GPUs.

How about using the apu flags  like this ?

bool check_seamless_boot_capability(struct amdgpu_device *adev)
{
	if (adev->apu_flags & AMD_APU_IS_VANGOGH) {
		if (!adev->mman.keep_stolen_vga_memory)
			return true;
	}

	return false;
}

Perry. 

> 
> 
> >
> > > ---
> > >  drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > > b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > > index 3993e6134914..52a92add12ea 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
> > > @@ -2161,6 +2161,7 @@ int amdgpu_discovery_set_ip_blocks(struct
> amdgpu_device *adev)
> > >                 break;
> > >         case IP_VERSION(10, 3, 1):
> > >                 adev->family = AMDGPU_FAMILY_VGH;
> > > +               adev->apu_flags |= AMD_APU_IS_VANGOGH;
> > >                 break;
> > >         case IP_VERSION(10, 3, 3):
> > >                 adev->family = AMDGPU_FAMILY_YC;
> > > --
> > > 2.34.1
> > >




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