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Message-ID: <20240920171502.pstrrklws4covhis@hu-akhilpo-hyd.qualcomm.com>
Date: Fri, 20 Sep 2024 22:45:02 +0530
From: Akhil P Oommen <quic_akhilpo@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
"Konrad
Dybcio" <konrad.dybcio@...aro.org>,
Abhinav Kumar
<quic_abhinavk@...cinc.com>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Maarten
Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard
<mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
<linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>,
"Puranam V G Tejaswi"
<quic_pvgtejas@...cinc.com>
Subject: Re: [PATCH 1/3] drm/msm/a6xx: Add support for A663
On Wed, Sep 18, 2024 at 12:31:55AM +0300, Dmitry Baryshkov wrote:
> On Wed, Sep 18, 2024 at 02:08:41AM GMT, Akhil P Oommen wrote:
> > From: Puranam V G Tejaswi <quic_pvgtejas@...cinc.com>
> >
> > Add support for Adreno 663 found on sa8775p based platforms.
> >
> > Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@...cinc.com>
> > Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
> > ---
> > drivers/gpu/drm/msm/adreno/a6xx_catalog.c | 19 ++++++++++++++++++
> > drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 8 +++++++-
> > drivers/gpu/drm/msm/adreno/a6xx_hfi.c | 33 +++++++++++++++++++++++++++++++
> > drivers/gpu/drm/msm/adreno/adreno_gpu.h | 5 +++++
> > 4 files changed, 64 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > index 0312b6ee0356..8d8d0d7630f0 100644
> > --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> > @@ -972,6 +972,25 @@ static const struct adreno_info a6xx_gpus[] = {
> > .prim_fifo_threshold = 0x00300200,
> > },
> > .address_space_size = SZ_16G,
> > + }, {
> > + .chip_ids = ADRENO_CHIP_IDS(0x06060300),
> > + .family = ADRENO_6XX_GEN4,
> > + .fw = {
> > + [ADRENO_FW_SQE] = "a660_sqe.fw",
> > + [ADRENO_FW_GMU] = "a663_gmu.bin",
> > + },
> > + .gmem = SZ_1M + SZ_512K,
> > + .inactive_period = DRM_MSM_INACTIVE_PERIOD,
> > + .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
> > + ADRENO_QUIRK_HAS_HW_APRIV,
> > + .init = a6xx_gpu_init,
> > + .a6xx = &(const struct a6xx_info) {
> > + .hwcg = a690_hwcg,
> > + .protect = &a660_protect,
> > + .gmu_cgc_mode = 0x00020200,
> > + .prim_fifo_threshold = 0x00300200,
> > + },
> > + .address_space_size = SZ_16G,
> > }, {
> > .chip_ids = ADRENO_CHIP_IDS(0x06030500),
> > .family = ADRENO_6XX_GEN4,
> > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > index 06cab2c6fd66..e317780caeae 100644
> > --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> > @@ -541,6 +541,12 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
> > gpu->ubwc_config.macrotile_mode = 1;
> > }
> >
> > + if (adreno_is_a663(gpu)) {
> > + gpu->ubwc_config.highest_bank_bit = 13;
> > + gpu->ubwc_config.ubwc_swizzle = 0x4;
> > + gpu->ubwc_config.macrotile_mode = 1;
>
> If this looks like A660 / A690, shouldn't the driver also enable .amsbc,
> .rgb565_predicator and .uavflagprd_inv?
You are right! Will fix in next patchset.
-Akhil.
>
> > + }
> > +
> > if (adreno_is_7c3(gpu)) {
> > gpu->ubwc_config.highest_bank_bit = 14;
> > gpu->ubwc_config.amsbc = 1;
> > @@ -1062,7 +1068,7 @@ static int hw_init(struct msm_gpu *gpu)
> > if (adreno_is_a690(adreno_gpu))
> > gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x90);
> > /* Set dualQ + disable afull for A660 GPU */
> > - else if (adreno_is_a660(adreno_gpu))
> > + else if (adreno_is_a660(adreno_gpu) || adreno_is_a663(adreno_gpu))
> > gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x66906);
> > else if (adreno_is_a7xx(adreno_gpu))
> > gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG,
> > diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> > index cdb3f6e74d3e..f1196d66055c 100644
> > --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> > +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
> > @@ -478,6 +478,37 @@ static void a660_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
> > msg->cnoc_cmds_data[1][0] = 0x60000001;
> > }
> >
> > +static void a663_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
> > +{
> > + /*
> > + * Send a single "off" entry just to get things running
> > + * TODO: bus scaling
> > + */
> > + msg->bw_level_num = 1;
> > +
> > + msg->ddr_cmds_num = 3;
> > + msg->ddr_wait_bitmask = 0x07;
> > +
> > + msg->ddr_cmds_addrs[0] = 0x50004;
> > + msg->ddr_cmds_addrs[1] = 0x50000;
> > + msg->ddr_cmds_addrs[2] = 0x500b4;
> > +
> > + msg->ddr_cmds_data[0][0] = 0x40000000;
> > + msg->ddr_cmds_data[0][1] = 0x40000000;
> > + msg->ddr_cmds_data[0][2] = 0x40000000;
> > +
> > + /*
> > + * These are the CX (CNOC) votes - these are used by the GMU but the
> > + * votes are known and fixed for the target
> > + */
> > + msg->cnoc_cmds_num = 1;
> > + msg->cnoc_wait_bitmask = 0x01;
> > +
> > + msg->cnoc_cmds_addrs[0] = 0x50058;
> > + msg->cnoc_cmds_data[0][0] = 0x40000000;
> > + msg->cnoc_cmds_data[1][0] = 0x60000001;
> > +}
> > +
> > static void adreno_7c3_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
> > {
> > /*
> > @@ -646,6 +677,8 @@ static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
> > adreno_7c3_build_bw_table(&msg);
> > else if (adreno_is_a660(adreno_gpu))
> > a660_build_bw_table(&msg);
> > + else if (adreno_is_a663(adreno_gpu))
> > + a663_build_bw_table(&msg);
> > else if (adreno_is_a690(adreno_gpu))
> > a690_build_bw_table(&msg);
> > else if (adreno_is_a730(adreno_gpu))
> > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > index 58d7e7915c57..10f8f25d8826 100644
> > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> > @@ -455,6 +455,11 @@ static inline int adreno_is_a680(const struct adreno_gpu *gpu)
> > return adreno_is_revn(gpu, 680);
> > }
> >
> > +static inline int adreno_is_a663(const struct adreno_gpu *gpu)
> > +{
> > + return gpu->info->chip_ids[0] == 0x06060300;
> > +}
> > +
> > static inline int adreno_is_a690(const struct adreno_gpu *gpu)
> > {
> > return gpu->info->chip_ids[0] == 0x06090000;
> >
> > --
> > 2.45.2
> >
>
> --
> With best wishes
> Dmitry
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