Re: [PATCH] drm/msm/dpu: add the SSPP rec0/rec1 blocks to the snapshot

[Dmitry Baryshkov]

On Wed, Oct 07, 2026 at 09:39:45PM +0900, Joonhoe Kim wrote:
> On DPU 13 the SSPP block is only 0x84 long and the fetch registers
> (source address, size, format, multirect) live in the rec0/rec1
> sub-blocks at 0x1000 and 0x3000. The snapshot dumps the SSPP block and
> its scaler and CSC sub-blocks, but not rec0/rec1, so the plane fetch
> state is missing from the devcoredump and from debugfs dri/N/kms.
> 
> Add the rec0/rec1 sub-blocks to the snapshot.
> 
> Tested on a Lenovo Legion Tab Y700 gen 5 (SM8850).
> 
> Fixes: 688c7734002a ("drm/msm/dpu: Add Kaanapali SSPP sub-block support")
> Assisted-by: LLM
> Signed-off-by: Joonhoe Kim <26rote@xxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry