Re: [PATCH] drm/sun4i: lvds: Invert the LVDS polarity

2020-08-28 Thread Maxime Ripard
On Wed, Aug 26, 2020 at 01:13:33AM +0800, Chen-Yu Tsai wrote: > On Sat, Jul 4, 2020 at 9:38 PM Maxime Ripard wrote: > > > > The LVDS controller can invert the polarity / lanes of the LVDS output. > > The default polarity causes some issues on some panels. > > > > However, U-Boot has always used

Re: [PATCH] drm/sun4i: lvds: Invert the LVDS polarity

2020-08-25 Thread Chen-Yu Tsai
On Sat, Jul 4, 2020 at 9:38 PM Maxime Ripard wrote: > > The LVDS controller can invert the polarity / lanes of the LVDS output. > The default polarity causes some issues on some panels. > > However, U-Boot has always used the opposite polarity without any reported > issue, and the only currently

[PATCH] drm/sun4i: lvds: Invert the LVDS polarity

2020-07-06 Thread Maxime Ripard
The LVDS controller can invert the polarity / lanes of the LVDS output. The default polarity causes some issues on some panels. However, U-Boot has always used the opposite polarity without any reported issue, and the only currently supported LVDS panel in-tree (the TBS A711) seems to be able to