Re: [PATCH v6 07/14] drm/msm/dpu: Reserve resources for CWB

From: Dmitry Baryshkov
Date: Sat Feb 15 2025 - 10:28:11 EST


On Fri, Feb 14, 2025 at 04:14:30PM -0800, Jessica Zhang wrote:
> Add support for RM to reserve dedicated CWB PINGPONGs and CWB muxes
>
> For concurrent writeback, even-indexed CWB muxes must be assigned to
> even-indexed LMs and odd-indexed CWB muxes for odd-indexed LMs. The same
> even/odd rule applies for dedicated CWB PINGPONGs.
>
> Track the CWB muxes in the global state and add a CWB-specific helper to
> reserve the correct CWB muxes and dedicated PINGPONGs following the
> even/odd rule.
>
> Signed-off-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>
>

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

--
With best wishes
Dmitry