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Message-ID: <CAF6AEGs6zT_kaTXNohUaA7KWZxZTr4byaoMoLAceuyqA7S+2CQ@mail.gmail.com>
Date: Wed, 20 Nov 2024 10:54:24 -0800
From: Rob Clark <robdclark@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Akhil P Oommen <quic_akhilpo@...cinc.com>,
Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>, Stephen Boyd <sboyd@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>, Sean Paul <sean@...rly.run>,
Konrad Dybcio <konradybcio@...nel.org>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
Marijn Suijten <marijn.suijten@...ainline.org>, David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>, Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Connor Abbott <cwabbott0@...il.com>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH v2 03/11] drm/msm: adreno: move features bits in a
separate variable
On Wed, Nov 20, 2024 at 3:18 AM Dmitry Baryshkov
<dmitry.baryshkov@...aro.org> 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@...aro.org>
> > ---
> > 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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