Re: [PATCH v2 06/13] drm/msm/adreno: Allow SoC specific gpu device table entries

[Rob Clark]

On Thu, Jul 27, 2023 at 3:12 PM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Fri, 28 Jul 2023 at 00:23, Rob Clark <robdclark@xxxxxxxxx> wrote:
> >
> > From: Rob Clark <robdclark@xxxxxxxxxxxx>
> >
> > There are cases where there are differences due to SoC integration.
> > Such as cache-coherency support, and (in the next patch) e-fuse to
> > speedbin mappings.
> >
> > Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/msm/adreno/adreno_device.c | 34 +++++++++++++++++++---
> >  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  1 +
> >  2 files changed, 31 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > index 3c531da417b9..e62bc895a31f 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > @@ -258,6 +258,32 @@ static const struct adreno_info gpulist[] = {
> >                 .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> >                 .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
> >                 .init = a6xx_gpu_init,
> > +       }, {
> > +               .machine = "qcom,sm4350",
> > +               .rev = ADRENO_REV(6, 1, 9, ANY_ID),
> > +               .revn = 619,
> > +               .fw = {
> > +                       [ADRENO_FW_SQE] = "a630_sqe.fw",
> > +                       [ADRENO_FW_GMU] = "a619_gmu.bin",
>
> If those are GMU-less platforms, do we need the ADRENO_FW_GMU firmware?

ahh, good point, fixed that locally

> Other than that:
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

thanks

BR,
-R

> > +               },
> > +               .gmem = SZ_512K,
> > +               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > +               .init = a6xx_gpu_init,
> > +               .zapfw = "a615_zap.mdt",
> > +               .hwcg = a615_hwcg,
> > +       }, {
> > +               .machine = "qcom,sm6375",
> > +               .rev = ADRENO_REV(6, 1, 9, ANY_ID),
> > +               .revn = 619,
> > +               .fw = {
> > +                       [ADRENO_FW_SQE] = "a630_sqe.fw",
> > +                       [ADRENO_FW_GMU] = "a619_gmu.bin",
> > +               },
> > +               .gmem = SZ_512K,
> > +               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > +               .init = a6xx_gpu_init,
> > +               .zapfw = "a615_zap.mdt",
> > +               .hwcg = a615_hwcg,
> >         }, {
> >                 .rev = ADRENO_REV(6, 1, 9, ANY_ID),
> >                 .revn = 619,
> > @@ -409,6 +435,8 @@ const struct adreno_info *adreno_info(struct adreno_rev rev)
> >         /* identify gpu: */
> >         for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
> >                 const struct adreno_info *info = &gpulist[i];
> > +               if (info->machine && !of_machine_is_compatible(info->machine))
> > +                       continue;
> >                 if (adreno_cmp_rev(info->rev, rev))
> >                         return info;
> >         }
> > @@ -563,6 +591,8 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
> >                 config.rev.minor, config.rev.patchid);
> >
> >         priv->is_a2xx = config.rev.core == 2;
> > +       priv->has_cached_coherent =
> > +               !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT);
> >
> >         gpu = info->init(drm);
> >         if (IS_ERR(gpu)) {
> > @@ -574,10 +604,6 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
> >         if (ret)
> >                 return ret;
> >
> > -       priv->has_cached_coherent =
> > -               !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT) &&
> > -               !adreno_has_gmu_wrapper(to_adreno_gpu(gpu));
> > -
> >         return 0;
> >  }
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > index e08d41337169..d5335b99c64c 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > @@ -61,6 +61,7 @@ extern const struct adreno_reglist a612_hwcg[], a615_hwcg[], a630_hwcg[], a640_h
> >  extern const struct adreno_reglist a660_hwcg[], a690_hwcg[];
> >
> >  struct adreno_info {
> > +       const char *machine;
> >         struct adreno_rev rev;
> >         uint32_t revn;
> >         const char *fw[ADRENO_FW_MAX];
> > --
> > 2.41.0
> >
>
>
> --
> With best wishes
> Dmitry