From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Zhang Subject: Re: [PATCH v3 3/7] drm/tegra: Implement .mode_set_base() Date: Mon, 18 Feb 2013 17:07:54 +0800 Message-ID: <5121EF6A.5020101@gmail.com> References: <1360771506-17849-1-git-send-email-thierry.reding@avionic-design.de> <1360771506-17849-4-git-send-email-thierry.reding@avionic-design.de> <5121C791.3040903@gmail.com> <20130218064832.GB30856@avionic-0098.mockup.avionic-design.de> <5121D2E2.7080905@gmail.com> <20130218072057.GA31486@avionic-0098.mockup.avionic-design.de> <5121E8EB.1050102@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5121E8EB.1050102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding Cc: Dave Airlie , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org On 02/18/2013 04:40 PM, Mark Zhang wrote: > On 02/18/2013 03:20 PM, Thierry Reding wrote: [...] >> > > Actually the dc which connects with LVDS doesn't know about 1080p > stuffs. All the video mode infos stored in this dc is still 1366x768(I > just checked the register values on my Tegra 30 cardhu). The dc just > scans 1366 pixels then jump to next line(based on the 1080p line stride > we set) and keep scanning. > > So the drm crtc helper(I believe it's function: > drm_crtc_helper_set_config) finds out that video mode is not changed so > a fb_change while not full modeset is triggered. > > I started to test this new series patch set just now. I'll let you know > whether the issue I described still exists. > Tested. This issue still exists. Mark > Mark >> Thierry >>