From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawnguo@kernel.org (Shawn Guo) Date: Tue, 26 Apr 2016 11:05:51 +0800 Subject: [PATCH 1/3] ARM: dts: imx6q-b850v3: Remove ldb panel In-Reply-To: <1461014385-26027-1-git-send-email-akshay.bhat@timesys.com> References: <1461014385-26027-1-git-send-email-akshay.bhat@timesys.com> Message-ID: <20160426030551.GD8870@tiger> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Apr 18, 2016 at 05:19:43PM -0400, Akshay Bhat wrote: > Remove ldb panel entry for the following reasons: > - The b850v3 has an onboard LVDS to DisplayPort converter (STDP4028). So > we should not limit the monitors that can be connected by hardcoding the > auo,b133htn01 1080p panel. > - The default resolution on the LVDS interface needs to be WXGA or less. > Otherwise when a 1080p monitor is connected to the HDMI port there is no > output on both the LVDS and HDMI ports since a single IPU on i.MX6 can > not handle two 1080p displays. With the panel entry removed from the > devicetree, drm driver defaults the resolution on LVDS interface to XGA. > > Once in userspace, applications can set the desired resolution on LVDS > interface over IPU2 CRTC. > > Signed-off-by: Akshay Bhat Applied all, thanks.