On Wed, Mar 11, 2026 at 07:44:30PM +0100, David Heidelberg via B4 Relay wrote: > From: Petr Hodina <[email protected]> > > Currently the panel driver for tianma is broken.
How broken? Can it be fixed instead? > Disable MDSS to prevent DRM taking over the framebuffer. > > Signed-off-by: Petr Hodina <[email protected]> > Signed-off-by: David Heidelberg <[email protected]> > --- > arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts > b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts > index b58964cde8342..d1c7bccaab500 100644 > --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts > +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts > @@ -36,3 +36,13 @@ touchscreen@1 { > touchscreen-size-y = <2246>; > }; > }; > + > +&dispcc { > + /* Disable for now so simple-framebuffer continues working */ > + status = "disabled"; > +}; > + > +&mdss { > + /* Disable for now so simple-framebuffer continues working */ > + status = "disabled"; > +}; > > -- > 2.53.0 > > -- With best wishes Dmitry

