Re: [PATCH 1/3] drm/msm/a6xx: Add support for A663

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On Tue, Sep 17, 2024 at 9:39 PM Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx> wrote:
>
> From: Puranam V G Tejaswi <quic_pvgtejas@xxxxxxxxxxx>
>
> Add support for Adreno 663 found on sa8775p based platforms.
>
> Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@xxxxxxxxxxx>
> Signed-off-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>
> ---
>  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;

It's already been mentioned in the Mesa MR, but since this is the
first GPU with level2_swizzling_dis set, the relevant vulkan CTS tests
need to be tested with
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26578
rebased on your Mesa enablement patch.

> +               gpu->ubwc_config.macrotile_mode = 1;
> +       }
> +
>         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
>




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