Re: [PATCH 2/5] drm/msm/a6xx: Add support for Adreno 623

[Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>]

On 13.02.2025 5:10 PM, Akhil P Oommen wrote:
> From: Jie Zhang <quic_jiezh@quicinc.com>
> 
> Add support for Adreno 623 GPU found in QCS8300 chipsets.
> 
> Signed-off-by: Jie Zhang <quic_jiezh@quicinc.com>
> Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_catalog.c   | 29 +++++++++++++++++++++++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c       |  8 ++++++++
>  drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c |  2 +-
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h     |  5 +++++
>  4 files changed, 43 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> index edffb7737a97..ac156c8b5af9 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_catalog.c
> @@ -879,6 +879,35 @@ static const struct adreno_info a6xx_gpus[] = {
>  			{ 0, 0 },
>  			{ 137, 1 },
>  		),
> +	}, {
> +		.chip_ids = ADRENO_CHIP_IDS(0x06020300),
> +		.family = ADRENO_6XX_GEN3,
> +		.fw = {
> +			[ADRENO_FW_SQE] = "a650_sqe.fw",
> +			[ADRENO_FW_GMU] = "a623_gmu.bin",
> +		},
> +		.gmem = 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 = a620_hwcg,

On downstream a663 hwcg table is used, with the following differences:

< A620
> A663

< {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
> {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},

< {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000777},
> {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000000}

Konrad