On Sat, Oct 06, 2018 at 12:07:15PM +0200, Paul Kocialkowski wrote: > Contrary to what is implemented in the Linux kernel, the U-Boot driver > supporting the sunxi TCON was assuming that the TCON0_IO_POL bits > indicate active-low signals when set for the hsync and vsync signals. > > After looking at it with a logic analyzer, it appears that the signals > are active-low with the bits unset and active-high with the bits set. > > Fix this by looking for the right flag (high instead of low) and > inverting the sync bits in the VIDEO_LCD_MODE declarations. > > Signed-off-by: Paul Kocialkowski <cont...@paulk.fr>
For the first three patches, Acked-by: Maxime Ripard <maxime.rip...@bootlin.com> It would be good to adjust our wiki as well to not have more of these inversions creeping in. Thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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