Re: [PATCH 3/5] Revert "drm/panel-edp: Add SDC ATNA45AF01"

From: Doug Anderson
Date: Wed Jul 10 2024 - 13:36:16 EST


Hi,

On Wed, Jul 10, 2024 at 10:05 AM Stephan Gerhold
<stephan.gerhold@xxxxxxxxxx> wrote:
>
> This reverts commit 8ebb1fc2e69ab8b89a425e402c7bd85e053b7b01.
>
> The panel should be handled through the samsung-atna33xc20 driver for
> correct power up timings. Otherwise the backlight does not work correctly.
>
> We have existing users of this panel through the generic "edp-panel"
> compatible (e.g. the Qualcomm X1E80100 CRD), but the screen works only
> partially in that configuration: It works after boot but once the screen
> gets disabled it does not turn on again until after reboot. It behaves the
> same way with the default "conservative" timings, so we might as well drop
> the configuration from the panel-edp driver. That way, users with old DTBs
> will get a warning and can move to the new driver.
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@xxxxxxxxxx>
> ---
> drivers/gpu/drm/panel/panel-edp.c | 2 --
> 1 file changed, 2 deletions(-)

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>