Re: [PATCH] drm/msm/adreno: Assign revn to A635

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On Wed, Jun 28, 2023 at 12:54 PM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On 28/06/2023 22:05, Konrad Dybcio wrote:
> > Recently, a WARN_ON() was introduced to ensure that revn is filled before
> > adreno_is_aXYZ is called. This however doesn't work very well when revn is
> > 0 by design (such as for A635). Fill it in as a stopgap solution for
> > -fixes.
> >
> > Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> I'd have probably added:
>
> Fixes: cc943f43ece7 ("drm/msm/adreno: warn if chip revn is verified
> before being set")
>
> or
>
> Fixes: 192f4ee3e408 ("drm/msm/a6xx: Add support for Adreno 7c Gen 3 gpu")

I'd lean towards the former, given that this is a temporary workaround
until we do a more comprehensive overhaul and remove revn entirely

BR,
-R

>
>
> > ---
> >   drivers/gpu/drm/msm/adreno/adreno_device.c | 1 +
> >   1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > index cb94cfd137a8..8ea7eae9fc52 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > @@ -345,6 +345,7 @@ static const struct adreno_info gpulist[] = {
> >               .address_space_size = SZ_16G,
> >       }, {
> >               .rev = ADRENO_REV(6, 3, 5, ANY_ID),
> > +             .revn = 635,
> >               .fw = {
> >                       [ADRENO_FW_SQE] = "a660_sqe.fw",
> >                       [ADRENO_FW_GMU] = "a660_gmu.bin",
> >
> > ---
> > base-commit: 5c875096d59010cee4e00da1f9c7bdb07a025dc2
> > change-id: 20230628-topic-a635-1b3c2c987417
> >
> > Best regards,
>
> --
> With best wishes
> Dmitry
>




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