Re: [PATCH 4/4] soc: qcom: use no-UBWC config for MSM8956/76
From: Dmitry Baryshkov
Date: Thu Aug 14 2025 - 07:32:22 EST
On Thu, Aug 14, 2025 at 11:25:16AM +0200, Konrad Dybcio wrote:
> On 8/14/25 9:22 AM, Dmitry Baryshkov wrote:
> > Both MSM8956 and MSM8976 have MDSS 1.11 which doesn't support UBWC
> > (although they also have Adreno 510, which might support UBWC). Disable
> > UBWC support for those platforms.
> >
> > Fixes: 1924272b9ce1 ("soc: qcom: Add UBWC config provider")
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
> > ---
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
I've posted this patch, but I'm a bit reluctant to merge it. These
targets should be able to use UBWC for GPU work, but then rewert to
linear for scanout buffers.
--
With best wishes
Dmitry