[PATCH 2/2] drm: lcdif: force modeset when FB format changes

Marek Vasut marex at denx.de
Thu Jun 1 10:33:49 UTC 2023


On 6/1/23 08:24, Ying Liu wrote:
> On Thu, Jun 1, 2023 at 2:45 AM Lucas Stach <l.stach at pengutronix.de> wrote:
>>
>> Force a modeset if the new FB has a different format than the
>> currently active one. While it might be possible to change between
>> compatible formats without a full modeset as the format control is
>> also supposed to be double buffered, the colorspace conversion is
>> not, so when the CSC changes we need a modeset.
>>
>> For now just always force a modeset when the FB format changes to
>> properly reconfigure all parts of the device for the new format.
>>
>> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
>> ---
>>   drivers/gpu/drm/mxsfb/lcdif_kms.c | 26 ++++++++++++++++++++------
>>   1 file changed, 20 insertions(+), 6 deletions(-)
> 
> LGTM. If the patch shows up in dri-devel patchwork, I can get it, test
> it and provide my R-b tag if appropriate.

Aren't these two patches the ones you are looking for ?

https://patchwork.freedesktop.org/patch/540443/
https://patchwork.freedesktop.org/patch/540444/

Maybe PW didn't sync when you checked, it takes a bit of time for 
patches to show up.


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