| Date | Tue, 27 Nov 2018 09:31:23 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 02/43] drm/sun4i: frontend: Replace ARGB with XRGB as supported format |
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On Fri, Nov 23, 2018 at 10:24:34AM +0100, Paul Kocialkowski wrote: > The frontend documentation (for the A33) mentions that ARGB is supported > as output, but with the alpha component always set to 0xff. In practice, > this means that the alpha component cannot be preserved when going > through the frontend. Since the information is lost, ARGB is not > properly supported. > > As a result, expose the matching format supported by the frontend (both > for input and output) as XRGB instead of ARGB. > > Since ARGB was the selected format for connecting the frontend to the > backend, change it to XRGB to reflect this as well. > > The A31 and A80 SoCs apparently have a bit to enable proper alpha, > but this is not supported at this point (see the comment already in the > code). > > 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] |