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Message-ID: <1J_tcDPSAZW23jPO8ApyzgINcVRRWcNyFP0LvrSFVIMbZB9lH6lCWvh2ByU9rNt6bj6xpgRgv8n0hBKhXAvXNfLBGfTIsvbhYuHW3IIDd7Y=@emersion.fr>
Date: Sat, 27 Mar 2021 11:24:06 +0000
From: Simon Ser <contact@...rsion.fr>
To: Paul Cercueil <paul@...pouillou.net>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>, 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
On Saturday, March 27th, 2021 at 12:22 PM, Paul Cercueil <paul@...pouillou.net> 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.
Why does this driver expose two primary planes, if it only has a single
CRTC?
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