Re: [PATCH] drm/msm/adreno: Fix snapshot BINDLESS_DATA size

From: Akhil P Oommen
Date: Thu Jul 13 2023 - 14:52:46 EST


On Tue, Jul 11, 2023 at 10:54:07AM -0700, Rob Clark wrote:
>
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> The incorrect size was causing "CP | AHB bus error" when snapshotting
> the GPU state on a6xx gen4 (a660 family).
>
> Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/26
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h
> index 790f55e24533..e788ed72eb0d 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h
> @@ -206,7 +206,7 @@ static const struct a6xx_shader_block {
> SHADER(A6XX_SP_LB_3_DATA, 0x800),
> SHADER(A6XX_SP_LB_4_DATA, 0x800),
> SHADER(A6XX_SP_LB_5_DATA, 0x200),
> - SHADER(A6XX_SP_CB_BINDLESS_DATA, 0x2000),
> + SHADER(A6XX_SP_CB_BINDLESS_DATA, 0x800),
> SHADER(A6XX_SP_CB_LEGACY_DATA, 0x280),
> SHADER(A6XX_SP_UAV_DATA, 0x80),
> SHADER(A6XX_SP_INST_TAG, 0x80),
> --
> 2.41.0
>
Reviewed-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>

-Akhil