On Fri Feb 13, 2026 at 6:07 PM UTC, Dmitry Baryshkov wrote:
> On Mon, Feb 09, 2026 at 09:32:57PM -0500, Richard Acayan wrote:
>> Some Pixel 3a XL devices have a Tianma panel. Add support for it, with
>> the aid of linux-mdss-dsi-panel-driver-generator.
>>
>> Link:
>> https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator
>> Signed-off-by: Richard Acayan <[email protected]>
>> ---
>> drivers/gpu/drm/panel/Kconfig | 9 +
>> drivers/gpu/drm/panel/Makefile | 1 +
>> .../gpu/drm/panel/panel-novatek-nt37700f.c | 294 ++++++++++++++++++
>> 3 files changed, 304 insertions(+)
>> create mode 100644 drivers/gpu/drm/panel/panel-novatek-nt37700f.c
<--cut-->
>>
>> +// TODO: Check if /sys/class/backlight/.../actual_brightness actually
>> returns
>> +// correct values. If not, remove this function.
>
> Any chance of checking it?
I tested this with my Pixel3A XL with tianma panel, it worked correctly.
/sys/class/backlight/.../actual_brightness returns same value
as /sys/class/backlight/.../brightness and I'm able to change brightness
level.
Tested-by: Yifei Zhan <[email protected]>
>
