fix(drm): backport drm driver fixes from lvgl 9

lvgl / lv_drivers

TFT and touch pad drivers for LVGL embedded GUI library

https://docs.lvgl.io/master/porting/index.html

MIT License

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Closed niklasf closed 8 months ago

niklasf commented 8 months ago

Applied relevant fixes from https://github.com/lvgl/lvgl/pull/4621, so that they can be used with lvgl 8.x.

Edit: Putting on hold to check some details wrt. drm_wait_vsync().

niklasf commented 8 months ago

Will try to land more improvements in 9.x first.

kisvegabor commented 8 months ago

Looking forward to it! Thank you in advance!