[PATCH] drm/amdkfd: Add Arcturus GWS support and fix VG10

[Russell, Kent]

[AMD Public Use]

Thanks for answering my question offline. Patch is
Reviewed-by: Kent Russell <kent.russell at amd.com>

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Russell,
> Kent
> Sent: Tuesday, June 30, 2020 8:00 AM
> To: Greathouse, Joseph <Joseph.Greathouse at amd.com>; amd-
> gfx at lists.freedesktop.org
> Cc: Greathouse, Joseph <Joseph.Greathouse at amd.com>
> Subject: RE: [PATCH] drm/amdkfd: Add Arcturus GWS support and fix VG10
> 
> [AMD Public Use]
> 
> One inquiry inline
> 
> > -----Original Message-----
> > From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of
> > Joseph Greathouse
> > Sent: Monday, June 29, 2020 9:55 PM
> > To: amd-gfx at lists.freedesktop.org
> > Cc: Greathouse, Joseph <Joseph.Greathouse at amd.com>
> > Subject: [PATCH] drm/amdkfd: Add Arcturus GWS support and fix VG10
> >
> > Add support for GWS in Arcturus, which needs MEC2 firmware #48 or above.
> > Fix the MEC2 version check for Vega 10 GWS support, since Vega 10
> > firmware adds 0x8000 to the actual firmware revision. We were
> > previously declaring support where it did not exist.
> >
> > Signed-off-by: Joseph Greathouse <Joseph.Greathouse at amd.com>
> > Change-Id: I9b44dfe59bdd8a38a0342e5155cdb071cf646cc5
> > ---
> >  drivers/gpu/drm/amd/amdkfd/kfd_device.c | 8 ++++++--
> >  1 file changed, 6 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> > b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> > index 80393e0583bb..50886de3ba0a 100644
> > --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> > +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> > @@ -602,9 +602,13 @@ static int kfd_gws_init(struct kfd_dev *kfd)
> >  		return 0;
> >
> >  	if (hws_gws_support
> > -		|| (kfd->device_info->asic_family >= CHIP_VEGA10
> > +		|| (kfd->device_info->asic_family == CHIP_VEGA10
> > +			&& kfd->mec2_fw_version >= 0x81b3)
> > +		|| (kfd->device_info->asic_family >= CHIP_VEGA12
> >  			&& kfd->device_info->asic_family <= CHIP_RAVEN
> > -			&& kfd->mec2_fw_version >= 0x1b3))
> > +			&& kfd->mec2_fw_version >= 0x1b3)
> [KR] Is it 0x1b3 for both VG12 and RV? I wasn't sure if it was 0x1b4 for VG12, or
> did they just update the FW again and I missed the original?
> > +		|| (kfd->device_info->asic_family == CHIP_ARCTURUS
> > +			&& kfd->mec2_fw_version >= 0x30))
> >  		ret = amdgpu_amdkfd_alloc_gws(kfd->kgd,
> >  				amdgpu_amdkfd_get_num_gws(kfd->kgd),
> > &kfd->gws);
> >
> > --
> > 2.20.1
> >
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