From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [PATCH] drm/tegra: Add zpos property for cursor planes Date: Wed, 10 Jun 2020 16:16:14 +0300 Message-ID: References: <20200610113059.2164132-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200610113059.2164132-1-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Content-Language: en-US Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding Cc: linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Jon Hunter List-Id: linux-tegra@vger.kernel.org 10.06.2020 14:30, Thierry Reding пишет: > From: Thierry Reding > > As of commit 4dc55525b095 ("drm: plane: Verify that no or all planes > have a zpos property") a warning is emitted if there's a mix of planes > with and without a zpos property. > > On Tegra, cursor planes are always composited on top of all other > planes, which is why they never had a zpos property attached to them. > However, since the composition order is fixed, this is trivial to > remedy by simply attaching an immutable zpos property to them. > > Reported-by: Jonathan Hunter > Signed-off-by: Thierry Reding > --- What problem does it solve?