Re: [PATCH v3 01/27] drm/msm/mdss: correct UBWC programming sequences

Konrad Dybcio
2026-03-13T12:56:51Z

On 3/12/26 2:29 PM, Dmitry Baryshkov wrote:
> The UBWC registers in the MDSS region are not dependent on the UBWC
> version (it is an invalid assumption we inherited from the vendor SDE
> driver). Instead they are dependent only on the MDSS core revision.
>
> Rework UBWC programming to follow MDSS revision and to use required (aka
> encoder) UBWC version instead of the ubwc_dec_version.
>
> Fixes: d68db6069a8e ("drm/msm/mdss: convert UBWC setup to use match data")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad