lkml.org 
[lkml]   [2018]   [Nov]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 25/43] drm/sun4i: frontend: Apply format sub-sampling to CH1 dimensions
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]
\
 
 \ /
  Last update: 2018-11-27 09:59    [W:0.301 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site