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Message-ID: <CAGsSOWUoSkDooRx+QUrucj517pBFxwDMiCwoA6tah5o2=q2oGw@mail.gmail.com>
Date: Sun, 21 Jul 2024 23:43:07 +0200
From: Barnabás Czémán <trabarni@...il.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>, 
	Abhinav Kumar <quic_abhinavk@...cinc.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
	Marijn Suijten <marijn.suijten@...ainline.org>, David Airlie <airlied@...il.com>, 
	Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org, 
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org, Otto Pflüger <otto.pflueger@...cue.de>, 
	20240618164303.66615-1-robdclark@...il.com
Subject: Re: [PATCH v2] drm/msm/adreno: Add A306A support

On Sat, Jun 22, 2024 at 1:36 PM Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
> On 20.06.2024 11:52 PM, Barnabás Czémán wrote:
> > From: Otto Pflüger <otto.pflueger@...cue.de>
> >
> > Add support for Adreno 306A GPU what is found in MSM8917 SoC.
> > This GPU marketing name is Adreno 308.
> >
> > Signed-off-by: Otto Pflüger <otto.pflueger@...cue.de>
> > [use internal name of the GPU, reword the commit message]
> > Signed-off-by: Barnabás Czémán <trabarni@...il.com>
> > ---
> > Changes in v2:
> > - Rebase on https://patchwork.freedesktop.org/series/127393/
> > - Link to v1: https://lore.kernel.org/r/20240528-a306a-v1-1-03a66dacd8c7@gmail.com
> > ---
> >  drivers/gpu/drm/msm/adreno/a3xx_catalog.c | 11 +++++++++++
> >  drivers/gpu/drm/msm/adreno/a3xx_gpu.c     | 14 +++++++++++---
> >  drivers/gpu/drm/msm/adreno/adreno_gpu.h   |  6 ++++++
> >  3 files changed, 28 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/a3xx_catalog.c b/drivers/gpu/drm/msm/adreno/a3xx_catalog.c
> > index 0de8465b6cf0..61aeac5054a2 100644
> > --- a/drivers/gpu/drm/msm/adreno/a3xx_catalog.c
> > +++ b/drivers/gpu/drm/msm/adreno/a3xx_catalog.c
> > @@ -41,6 +41,17 @@ static const struct adreno_info a3xx_gpus[] = {
> >               .gmem  = SZ_128K,
> >               .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> >               .init  = a3xx_gpu_init,
> > +     }, {
> > +             .chip_ids = ADRENO_CHIP_IDS(0x03000620),
> > +             .family = ADRENO_3XX,
> > +             .revn  = 308,
>
> Double space
It is similar like other blocks.
>
> > +             .fw = {
> > +                     [ADRENO_FW_PM4] = "a300_pm4.fw",
> > +                     [ADRENO_FW_PFP] = "a300_pfp.fw",
> > +             },
> > +             .gmem  = SZ_128K,
> > +             .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > +             .init  = a3xx_gpu_init,
> >       }, {
> >               .chip_ids = ADRENO_CHIP_IDS(
> >                       0x03020000,
> > diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
> > index 5273dc849838..b46ff49f47cf 100644
> > --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
> > +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
> > @@ -145,6 +145,10 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
> >               gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003);
> >               gpu_write(gpu, REG_A3XX_VBIF_OUT_RD_LIM_CONF0, 0x0000000a);
> >               gpu_write(gpu, REG_A3XX_VBIF_OUT_WR_LIM_CONF0, 0x0000000a);
> > +     } else if (adreno_is_a306a(adreno_gpu)) {
> > +             gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003);
> > +             gpu_write(gpu, REG_A3XX_VBIF_OUT_RD_LIM_CONF0, 0x00000010);
> > +             gpu_write(gpu, REG_A3XX_VBIF_OUT_WR_LIM_CONF0, 0x00000010);
> >       } else if (adreno_is_a320(adreno_gpu)) {
> >               /* Set up 16 deep read/write request queues: */
> >               gpu_write(gpu, REG_A3XX_VBIF_IN_RD_LIM_CONF0, 0x10101010);
> > @@ -237,7 +241,9 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
> >       gpu_write(gpu, REG_A3XX_UCHE_CACHE_MODE_CONTROL_REG, 0x00000001);
> >
> >       /* Enable Clock gating: */
> > -     if (adreno_is_a305b(adreno_gpu) || adreno_is_a306(adreno_gpu))
> > +     if (adreno_is_a305b(adreno_gpu) ||
> > +         adreno_is_a306(adreno_gpu) ||
> > +         adreno_is_a306a(adreno_gpu))
> >               gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xaaaaaaaa);
> >       else if (adreno_is_a320(adreno_gpu))
> >               gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xbfffffff);
> > @@ -334,8 +340,10 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
> >               gpu_write(gpu, REG_A3XX_CP_PFP_UCODE_DATA, ptr[i]);
> >
> >       /* CP ROQ queue sizes (bytes) - RB:16, ST:16, IB1:32, IB2:64 */
> > -     if (adreno_is_a305(adreno_gpu) || adreno_is_a306(adreno_gpu) ||
> > -                     adreno_is_a320(adreno_gpu)) {
> > +     if (adreno_is_a305(adreno_gpu) ||
> > +         adreno_is_a306(adreno_gpu) ||
> > +         adreno_is_a306a(adreno_gpu) ||
> > +         adreno_is_a320(adreno_gpu)) {
> >               gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS,
> >                               AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB1_START(2) |
> >                               AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB2_START(6) |
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > index b8ee9320a315..3b361a077688 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > @@ -292,6 +292,12 @@ static inline bool adreno_is_a306(const struct adreno_gpu *gpu)
> >       return adreno_is_revn(gpu, 307);
> >  }
> >
> > +static inline bool adreno_is_a306a(const struct adreno_gpu *gpu)
> > +{
> > +     /* a306a marketing name is a308 */
>
> "marketing name is a308" could use a (), but it's me being picky..
/* a306a (marketing name is a308) */ ?
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
>
> > +     return adreno_is_revn(gpu, 308);
> > +}
> > +
> >  static inline bool adreno_is_a320(const struct adreno_gpu *gpu)
> >  {
> >       return adreno_is_revn(gpu, 320);
> >
> > ---
> > base-commit: b992b79ca8bc336fa8e2c80990b5af80ed8f36fd
> > change-id: 20240528-a306a-48e173724d6c
> > prerequisite-message-id: <20240618164303.66615-1-robdclark@...il.com>
> > prerequisite-patch-id: b26cd6e5aa23ea623fec94f938a06d1e3359de55
> > prerequisite-patch-id: 301e8fe4c2687a4606ee7debce95a5ada732e27f
> > prerequisite-patch-id: 24a5654d9b52079c010b0594d8599d84af1659c7
> > prerequisite-patch-id: b09a3d28d04b7ebe968e05835ebf8397c27f8d7d
> > prerequisite-patch-id: a74556e25862c22f0ec543b8a7c7d92cb2e55099
>
> b4 is amazing
>
> Konrad

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