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Message-ID: <bf9439f1-4ae6-78db-95cb-b8cad84ff0ab@linaro.org>
Date: Thu, 13 Jul 2023 22:53:04 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc: linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
Rob Clark <robdclark@...omium.org>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>,
Akhil P Oommen <quic_akhilpo@...cinc.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/adreno: Fix snapshot BINDLESS_DATA size
On 11/07/2023 20:54, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
>
> 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@...omium.org>
What about:
Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state")
?
> ---
> 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),
--
With best wishes
Dmitry
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