[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <S1LQQQ.K5HO8ISMBGA02@crapouillou.net>
Date: Mon, 29 Mar 2021 16:15:28 +0100
From: Paul Cercueil <paul@...pouillou.net>
To: Maxime Ripard <maxime@...no.tech>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Simon Ser <contact@...rsion.fr>, od@...c.me,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Subject: Re: [PATCH] drm: DON'T require each CRTC to have a unique primary
plane
Hi Maxime,
Le lun. 29 mars 2021 à 16:07, Maxime Ripard <maxime@...no.tech> a
écrit :
> On Sat, Mar 27, 2021 at 11:22:14AM +0000, Paul Cercueil wrote:
>> The ingenic-drm driver has two mutually exclusive primary planes
>> already; so the fact that a CRTC must have one and only one primary
>> plane is an invalid assumption.
>
> I mean, no? It's been documented for a while that a CRTC should only
> have a single primary, so I'd say that the invalid assumption was that
> it was possible to have multiple primary planes for a CRTC.
Documented where?
I did read the doc of "enum drm_plane_type" in <drm/drm_plane.h>, and
the DRM_PLANE_TYPE_PRIMARY describes my two planes, so I went with that.
-Paul
> Since it looks like you have two mutually exclusive planes, just
> expose
> one and be done with it?
>
> Maxime
Powered by blists - more mailing lists