Re: [PATCH v2 03/11] drm/msm: adreno: move features bits in a separate variable

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On Wed, Nov 20, 2024 at 3:18 AM Dmitry Baryshkov
<dmitry.baryshkov@xxxxxxxxxx> wrote:
>
> On Tue, Nov 19, 2024 at 06:56:38PM +0100, Neil Armstrong wrote:
> > Now the features defines have the right name, introduce a features
> > bitfield and move the features defines in it, fixing all code checking
> > for them.
> >
> > No functional changes intended.
>
> I think it might be better to squahs this patch into the previous one,
> it would simplify checking that we use .quirks for ADRENO_QUIRK_foo and
> .features for ADRENO_FEAT_bar.
>

IMHO better to keep this separated

But we don't have _that_ many features/quirks so I don't find
combining them all that problematic

BR,
-R

> >
> > Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/msm/adreno/a6xx_catalog.c  | 34 +++++++++++++++---------------
> >  drivers/gpu/drm/msm/adreno/a6xx_gpu.c      |  4 ++--
> >  drivers/gpu/drm/msm/adreno/adreno_device.c |  2 +-
> >  drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  7 +++---
> >  4 files changed, 24 insertions(+), 23 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > index 825c820def315968d508973c8ae40c7c7b646569..93f0d4bf50ba773ecde93e6c29a2fcec24ebb7b3 100644
> > --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > @@ -743,7 +743,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a615_zap.mbn",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -769,7 +769,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .a6xx = &(const struct a6xx_info) {
> >                       .protect = &a630_protect,
> > @@ -839,7 +839,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a615_zap.mdt",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -864,7 +864,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                         ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a620_zap.mbn",
> > @@ -892,7 +892,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_1M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a630_zap.mdt",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -911,7 +911,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_1M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a640_zap.mdt",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -934,7 +934,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_1M + SZ_128K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                       ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a650_zap.mdt",
> > @@ -961,7 +961,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_1M + SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                       ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a660_zap.mdt",
> > @@ -981,7 +981,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_1M + SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                       ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -1000,7 +1000,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_512K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                       ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a660_zap.mbn",
> > @@ -1028,7 +1028,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_2M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT,
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a640_zap.mdt",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -1046,7 +1046,7 @@ static const struct adreno_info a6xx_gpus[] = {
> >               },
> >               .gmem = SZ_4M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                       ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a690_zap.mdt",
> > @@ -1331,7 +1331,7 @@ static const struct adreno_info a7xx_gpus[] = {
> >               },
> >               .gmem = SZ_128K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_HW_APRIV,
> > +             .features = ADRENO_FEAT_HAS_HW_APRIV,
> >               .init = a6xx_gpu_init,
> >               .zapfw = "a702_zap.mbn",
> >               .a6xx = &(const struct a6xx_info) {
> > @@ -1355,7 +1355,7 @@ static const struct adreno_info a7xx_gpus[] = {
> >               },
> >               .gmem = SZ_2M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                         ADRENO_FEAT_HAS_HW_APRIV |
> >                         ADRENO_FEAT_PREEMPTION,
> >               .init = a6xx_gpu_init,
> > @@ -1377,7 +1377,7 @@ static const struct adreno_info a7xx_gpus[] = {
> >               },
> >               .gmem = 3 * SZ_1M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                         ADRENO_FEAT_HAS_HW_APRIV |
> >                         ADRENO_FEAT_PREEMPTION,
> >               .init = a6xx_gpu_init,
> > @@ -1400,7 +1400,7 @@ static const struct adreno_info a7xx_gpus[] = {
> >               },
> >               .gmem = 3 * SZ_1M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                         ADRENO_FEAT_HAS_HW_APRIV |
> >                         ADRENO_FEAT_PREEMPTION,
> >               .init = a6xx_gpu_init,
> > @@ -1422,7 +1422,7 @@ static const struct adreno_info a7xx_gpus[] = {
> >               },
> >               .gmem = 3 * SZ_1M,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > -             .quirks = ADRENO_FEAT_HAS_CACHED_COHERENT |
> > +             .features = ADRENO_FEAT_HAS_CACHED_COHERENT |
> >                         ADRENO_FEAT_HAS_HW_APRIV |
> >                         ADRENO_FEAT_PREEMPTION,
> >               .init = a6xx_gpu_init,
> > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > index 2ebd3fac212576a1507e0b6afe2560cd0408dd89..654d0cff421f15901cd4bf33b41e70004634ec75 100644
> > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > @@ -2478,7 +2478,7 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
> >       adreno_gpu->gmu_is_wrapper = of_device_is_compatible(node, "qcom,adreno-gmu-wrapper");
> >
> >       adreno_gpu->base.hw_apriv =
> > -             !!(config->info->quirks & ADRENO_FEAT_HAS_HW_APRIV);
> > +             !!(config->info->features & ADRENO_FEAT_HAS_HW_APRIV);
> >
> >       /* gpu->info only gets assigned in adreno_gpu_init() */
> >       is_a7xx = config->info->family == ADRENO_7XX_GEN1 ||
> > @@ -2495,7 +2495,7 @@ struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
> >       }
> >
> >       if ((enable_preemption == 1) || (enable_preemption == -1 &&
> > -         (config->info->quirks & ADRENO_FEAT_PREEMPTION)))
> > +         (config->info->features & ADRENO_FEAT_PREEMPTION)))
> >               ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 4);
> >       else if (is_a7xx)
> >               ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1);
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > index 09d4569f77528c2a20cabc814668c4c930dd07f1..11a228472fa0cef3b6e4e21a366470fbbc3ea8df 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> > @@ -207,7 +207,7 @@ static int adreno_bind(struct device *dev, struct device *master, void *data)
> >
> >       priv->is_a2xx = info->family < ADRENO_3XX;
> >       priv->has_cached_coherent =
> > -             !!(info->quirks & ADRENO_FEAT_HAS_CACHED_COHERENT);
> > +             !!(info->features & ADRENO_FEAT_HAS_CACHED_COHERENT);
> >
> >       gpu = info->init(drm);
> >       if (IS_ERR(gpu)) {
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > index 8782c25e8a393ec7d9dc23ad450908d039bd08c5..4702d4cfca3b58fb3cbb25cb6805f1c19be2ebcb 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > @@ -55,9 +55,9 @@ enum adreno_family {
> >  #define ADRENO_QUIRK_FAULT_DETECT_MASK               BIT(1)
> >  #define ADRENO_QUIRK_LMLOADKILL_DISABLE              BIT(2)
> >
> > -#define ADRENO_FEAT_HAS_HW_APRIV             BIT(3)
> > -#define ADRENO_FEAT_HAS_CACHED_COHERENT              BIT(4)
> > -#define ADRENO_FEAT_PREEMPTION                       BIT(5)
> > +#define ADRENO_FEAT_HAS_HW_APRIV             BIT(0)
> > +#define ADRENO_FEAT_HAS_CACHED_COHERENT              BIT(1)
> > +#define ADRENO_FEAT_PREEMPTION                       BIT(2)
> >
> >  /* Helper for formating the chip_id in the way that userspace tools like
> >   * crashdec expect.
> > @@ -98,6 +98,7 @@ struct adreno_info {
> >       uint32_t revn;
> >       const char *fw[ADRENO_FW_MAX];
> >       uint32_t gmem;
> > +     u64 features;
> >       u64 quirks;
> >       struct msm_gpu *(*init)(struct drm_device *dev);
> >       const char *zapfw;
> >
> > --
> > 2.34.1
> >
>
> --
> With best wishes
> Dmitry





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