From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: Re: [PATCH v1 4/4] drm/tegra: plane: Add custom CSC BLOB property Date: Tue, 17 Apr 2018 20:31:11 +0300 Message-ID: <3b1c45ee-a48e-0cae-c7bc-b87e792f2b97@gmail.com> References: <20180417090144.GZ31310@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20180417090144.GZ31310@phenom.ffwll.local> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Thierry Reding , Daniel Vetter Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: linux-tegra@vger.kernel.org On 17.04.2018 12:01, Daniel Vetter wrote: > On Mon, Apr 16, 2018 at 03:16:28PM +0300, Dmitry Osipenko wrote: >> This new property allows userspace to apply custom color conversion >> coefficients per plane, making possible to utilize display controller >> for color adjustments of a video overlay. >> >> Signed-off-by: Dmitry Osipenko > > Same here, this needs corresponding userspace: > > https://dri.freedesktop.org/docs/drm/gpu/drm-uapi.html#open-source-userspace-requirements > > And again there's even more people who discussed extending the existing > color management support for crtcs to planes. I think we definitely want a > standard interface for this, not each driver doing their own thing. Could you please point me to where that discussion is happening?