[PATCH 4/4] soc: qcom: use no-UBWC config for MSM8956/76

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Thu Aug 14 11:31:57 UTC 2025


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

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


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