On Mon, Sep 15, 2025 at 9:13 AM Christian König
<christian.koe...@amd.com> wrote:
>
> Ping?
>
> Alex can we commit this until we have found a solution for SRIOV?

Series is:
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>

>
> Regards,
> Christian.
>
> On 05.09.25 14:47, Christian König wrote:
> > Add a UAPI flag indicating if gang submit is supported or not.
> >
> > Signed-off-by: Christian König <christian.koe...@amd.com>
> > ---
> >  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 4 ++++
> >  include/uapi/drm/amdgpu_drm.h           | 9 +++++----
> >  2 files changed, 9 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c 
> > b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> > index 8a76960803c6..8676400834fc 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> > @@ -939,6 +939,10 @@ int amdgpu_info_ioctl(struct drm_device *dev, void 
> > *data, struct drm_file *filp)
> >               if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
> >                       dev_info->ids_flags |= 
> > AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
> >
> > +             /* Gang submit is not supported under SRIOV currently */
> > +             if (!amdgpu_sriov_vf(adev))
> > +                     dev_info->ids_flags |= AMDGPU_IDS_FLAGS_GANG_SUBMIT;
> > +
> >               if (amdgpu_passthrough(adev))
> >                       dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
> >                                               AMDGPU_IDS_FLAGS_MODE_SHIFT) &
> > diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
> > index 9cebd072a042..7a228c4d1325 100644
> > --- a/include/uapi/drm/amdgpu_drm.h
> > +++ b/include/uapi/drm/amdgpu_drm.h
> > @@ -1084,10 +1084,11 @@ struct drm_amdgpu_cs_chunk_cp_gfx_shadow {
> >   *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
> >   *
> >   */
> > -#define AMDGPU_IDS_FLAGS_FUSION         0x1
> > -#define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
> > -#define AMDGPU_IDS_FLAGS_TMZ            0x4
> > -#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
> > +#define AMDGPU_IDS_FLAGS_FUSION                      0x01
> > +#define AMDGPU_IDS_FLAGS_PREEMPTION          0x02
> > +#define AMDGPU_IDS_FLAGS_TMZ                 0x04
> > +#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD      0x08
> > +#define AMDGPU_IDS_FLAGS_GANG_SUBMIT         0x10
> >
> >  /*
> >   *  Query h/w info: Flag identifying VF/PF/PT mode
>

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