Re: [PATCH] drm/msm: Fix GMEM_BASE for A650

[Akhil P Oommen <akhilpo@oss.qualcomm.com>]

On 3/14/2026 9:44 AM, Alexander Koskovich wrote:
> Commit dc220915ddb2 ("drm/msm: Fix GMEM_BASE for gen8") changed the
> GMEM_BASE check from adreno_is_a650_family() & adreno_is_a740_family()
> to family >= ADRENO_6XX_GEN4.
> 
> This inadvertently excluded A650 (ADRENO_6XX_GEN3), causing it to report
> an incorrect GMEM_BASE which results in severe rendering corruption.
> 
> Update check to also include ADRENO_6XX_GEN3 to fix A650.
> 
> Fixes: dc220915ddb2 ("drm/msm: Fix GMEM_BASE for gen8")
> Signed-off-by: Alexander Koskovich <akoskovich@pm.me>

Reviewed-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>

-Akhil
> ---
>  drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index d5fe6f6f0dec..0ac3fba5c277 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -376,7 +376,7 @@ int adreno_get_param(struct msm_gpu *gpu, struct msm_context *ctx,
>  		*value = adreno_gpu->info->gmem;
>  		return 0;
>  	case MSM_PARAM_GMEM_BASE:
> -		if (adreno_gpu->info->family >= ADRENO_6XX_GEN4)
> +		if (adreno_gpu->info->family >= ADRENO_6XX_GEN3)
>  			*value = 0;
>  		else
>  			*value = 0x100000;
> 
> ---
> base-commit: 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681
> change-id: 20260314-fix-gmem-base-a650-cfd9bfcea425
> 
> Best regards,