From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Date: Fri, 15 Nov 2013 02:35:50 +0000 Subject: Re: LCDC failure of the stable v3.12 kernel for armadillo800-eva Message-Id: <14730990.U96uTRa42r@avalon> List-Id: References: <52831925.8030903@jinso.co.jp> In-Reply-To: <52831925.8030903@jinso.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org Hi Nguyen-san, (I apologize in advance if this is the wrong way to address you, please let me know if I should have written Dung-san instead). On Wednesday 13 November 2013 15:16:05 Nguyen Viet Dung wrote: > Hi Laurent-san, > > I have tested the stable v3.12 kernel for armadillo800-eva board. > And it had a error relates LCDC. > > error detail: > ----------------- > can not display a bitmap image on LCD screen. > when boot the board,boot log is can not display on LCD screen too. > > Cause: > --------- > kernel that had above error:up tream v3.12-rc1....stable v2.12.0 > Error is generated in the following patch. > [d58226a ARM: shmobile: armadillo800eva: Add backlight support] I will try to fix that. The LCDC hardware is supported by two drivers, an FBDEV driver (drivers/video/sh_mobile_lcdcfb.c) and a DRM driver (drivers/gpu/drm/shmobile). Could you please tell which driver you're using ? > Please consider this error if you have time. -- Regards, Laurent Pinchart