From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudip Mukherjee Date: Sun, 31 Mar 2019 12:19:44 +0000 Subject: Re: [PATCH 4/8] fbdev: sm712fb: fix boot screen glitch when sm712fb replaces VGA. Message-Id: <20190331121944.s67z7seyrgl5xnrw@debian> List-Id: References: <20190316222504.27170-1-tomli@tomli.me> <20190316222504.27170-5-tomli@tomli.me> In-Reply-To: <20190316222504.27170-5-tomli@tomli.me> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Yifeng Li Cc: Teddy Wang , Bartlomiej Zolnierkiewicz , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org On Sun, Mar 17, 2019 at 06:25:00AM +0800, Yifeng Li wrote: > When the machine is booted in VGA mode, loading sm712fb would cause > a glitch of random pixels shown on the screen. To prevent it from > happening, we first clear the entire framebuffer, and we also need > to stop calling smtcfb_setmode() during initialization, the fbdev > layer will call it for us later when it's ready. > > Signed-off-by: Yifeng Li > Cc: stable@vger.kernel.org # v4.4+ Tested-by: Sudip Mukherjee -- Regards Sudip