Re: [PATCH v4 4/6] drm/msm/dpu: filter writeback modes using writeback maxlinewidth

[Dmitry Baryshkov]

On Thu, Oct 08, 2026 at 10:53:50PM +0530, Mahadevan P wrote:
> From: Jessica Zhang <jesszhan0024@xxxxxxxxx>
> 
> Maximum width of the writeback mode is limited by the hardware buffer in
> the WB block rather than by the LM properties (LM doesn't have an actual
> buffer). Use the actual hardware limit (the writeback maxlinewidth) to
> filter modes.
> 
> Signed-off-by: Jessica Zhang <jessica.zhang@xxxxxxxxxxxxxxxx>
> [DB: fixed commit message]
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> Signed-off-by: Mahadevan P <mahadevan.p@xxxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c | 9 +--------
>  1 file changed, 1 insertion(+), 8 deletions(-)
> 

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


-- 
With best wishes
Dmitry