Messages in this thread | | | From | Marek Vasut <> | Subject | Re: [PATCH RESEND] video: mxsfb: Fix colors display on lower color depth | Date | Mon, 22 Apr 2013 11:16:17 +0200 |
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Dear Maxime Ripard,
> The current code always registers as a 32 bits display, and uses the > hardware to drop the MSB of each color to abjust to the interface width > used by the panel. > > This results on 18 bits (and probably 16 bits display as well) in colors > being displayed poorly, because the MSB are obviously the most important > bits for each color definition. > > The default controller behaviour when using an interface width smaller > than the color depth is to drop the LSBs of each color, which makes more > sense because you lose the least important part of the color definition. > > So, to fix the colors display, just get back to the default controller > behaviour. > > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Did you receive my latest email? Check M28EVK (imx28-m28evk.dts), it uses 18bit LCD and works without this patch I think.
Best regards, Marek Vasut
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