Re: [PATCH v4 1/5] drm/msm/adreno: Split up giant device table

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On Tue, Jun 18, 2024 at 09:42:47AM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
> 
> Split into a separate table per generation, in preparation to move each
> gen's device table to it's own file.
> 
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/adreno/adreno_device.c | 67 +++++++++++++++++-----
>  drivers/gpu/drm/msm/adreno/adreno_gpu.h    | 10 ++++
>  2 files changed, 63 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index c3703a51287b..a57659eaddc2 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -20,7 +20,7 @@ bool allow_vram_carveout = false;
>  MODULE_PARM_DESC(allow_vram_carveout, "Allow using VRAM Carveout, in place of IOMMU");
>  module_param_named(allow_vram_carveout, allow_vram_carveout, bool, 0600);
>  
> -static const struct adreno_info gpulist[] = {
> +static const struct adreno_info a2xx_gpus[] = {
>  	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x02000000),
>  		.family = ADRENO_2XX_GEN1,
> @@ -54,7 +54,12 @@ static const struct adreno_info gpulist[] = {
>  		.gmem  = SZ_512K,
>  		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
>  		.init  = a2xx_gpu_init,
> -	}, {
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a2xx);
> +
> +static const struct adreno_info a3xx_gpus[] = {
> +	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x03000512),
>  		.family = ADRENO_3XX,
>  		.fw = {
> @@ -116,7 +121,12 @@ static const struct adreno_info gpulist[] = {
>  		.gmem  = SZ_1M,
>  		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
>  		.init  = a3xx_gpu_init,
> -	}, {
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a3xx);
> +
> +static const struct adreno_info a4xx_gpus[] = {
> +	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x04000500),
>  		.family = ADRENO_4XX,
>  		.revn  = 405,
> @@ -149,7 +159,12 @@ static const struct adreno_info gpulist[] = {
>  		.gmem  = (SZ_1M + SZ_512K),
>  		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
>  		.init  = a4xx_gpu_init,
> -	}, {
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a4xx);
> +
> +static const struct adreno_info a5xx_gpus[] = {
> +	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x05000600),
>  		.family = ADRENO_5XX,
>  		.revn = 506,
> @@ -274,7 +289,12 @@ static const struct adreno_info gpulist[] = {
>  		.quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
>  		.init = a5xx_gpu_init,
>  		.zapfw = "a540_zap.mdt",
> -	}, {
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a5xx);
> +
> +static const struct adreno_info a6xx_gpus[] = {
> +	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x06010000),
>  		.family = ADRENO_6XX_GEN1,
>  		.revn = 610,
> @@ -520,7 +540,12 @@ static const struct adreno_info gpulist[] = {
>  		.zapfw = "a690_zap.mdt",
>  		.hwcg = a690_hwcg,
>  		.address_space_size = SZ_16G,
> -	}, {
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a6xx);
> +
> +static const struct adreno_info a7xx_gpus[] = {
> +	{
>  		.chip_ids = ADRENO_CHIP_IDS(0x07000200),
>  		.family = ADRENO_6XX_GEN1, /* NOT a mistake! */
>  		.fw = {
> @@ -582,7 +607,17 @@ static const struct adreno_info gpulist[] = {
>  		.init = a6xx_gpu_init,
>  		.zapfw = "gen70900_zap.mbn",
>  		.address_space_size = SZ_16G,
> -	},
> +	}
> +};
> +DECLARE_ADRENO_GPULIST(a7xx);
> +
> +static const struct adreno_gpulist *gpulists[] = {
> +	&a2xx_gpulist,
> +	&a3xx_gpulist,
> +	&a4xx_gpulist,
> +	&a5xx_gpulist,
> +	&a6xx_gpulist,
> +	&a6xx_gpulist,

Typo. a6xx_gpulist -> a7xx_gpulist.

-Akhil

>  };
>  
>  MODULE_FIRMWARE("qcom/a300_pm4.fw");
> @@ -617,13 +652,17 @@ MODULE_FIRMWARE("qcom/yamato_pm4.fw");
>  static const struct adreno_info *adreno_info(uint32_t chip_id)
>  {
>  	/* identify gpu: */
> -	for (int i = 0; i < ARRAY_SIZE(gpulist); i++) {
> -		const struct adreno_info *info = &gpulist[i];
> -		if (info->machine && !of_machine_is_compatible(info->machine))
> -			continue;
> -		for (int j = 0; info->chip_ids[j]; j++)
> -			if (info->chip_ids[j] == chip_id)
> -				return info;
> +	for (int i = 0; i < ARRAY_SIZE(gpulists); i++) {
> +		for (int j = 0; j < gpulists[i]->gpus_count; j++) {
> +			const struct adreno_info *info = &gpulists[i]->gpus[j];
> +
> +			if (info->machine && !of_machine_is_compatible(info->machine))
> +				continue;
> +
> +			for (int k = 0; info->chip_ids[k]; k++)
> +				if (info->chip_ids[k] == chip_id)
> +					return info;
> +		}
>  	}
>  
>  	return NULL;
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> index 77526892eb8c..17aba8c58f3d 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
> @@ -114,6 +114,16 @@ struct adreno_info {
>  
>  #define ADRENO_CHIP_IDS(tbl...) (uint32_t[]) { tbl, 0 }
>  
> +struct adreno_gpulist {
> +	const struct adreno_info *gpus;
> +	unsigned gpus_count;
> +};
> +
> +#define DECLARE_ADRENO_GPULIST(name)                  \
> +const struct adreno_gpulist name ## _gpulist = {      \
> +	name ## _gpus, ARRAY_SIZE(name ## _gpus)      \
> +}
> +
>  /*
>   * Helper to build a speedbin table, ie. the table:
>   *      fuse | speedbin
> -- 
> 2.45.2
> 



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