| Date | Tue, 27 Nov 2018 09:58:33 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 25/43] drm/sun4i: frontend: Apply format sub-sampling to CH1 dimensions |
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On Fri, Nov 23, 2018 at 10:24:57AM +0100, Paul Kocialkowski wrote: > The frontend comes with two "channels", that can be configured > independently. When used in YUV mode, the first channel (CH0) represents > the luminance component while the second channel (CH1) represents the > chrominance. In RGB mode, both have to be configured the same way. > > Use variables (with the YUV terminology) for each channel's > dimensions, calculating the chroma dimensions from the luma dimensions > and the sub-sampling factors from the format description. > > Since the configured size only has pixel precision, the fractional > fixed-point part of the source size is dropped for both components to > ensure that the scaling factors are accurate. > > Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Applied, thanks! Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] |