From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudip Mukherjee Date: Sun, 31 Mar 2019 12:21:03 +0000 Subject: Re: [PATCH 8/8] fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display. Message-Id: <20190331122103.o7ek46dvhop7lewm@debian> List-Id: References: <20190316222504.27170-1-tomli@tomli.me> <20190316222504.27170-9-tomli@tomli.me> In-Reply-To: <20190316222504.27170-9-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 06:25:04AM +0800, Yifeng Li wrote: > Loongson MIPS netbooks use 1024x600 LCD panels, which is the original > target platform of this driver, but nearly all old x86 laptops have > 1024x768. Lighting 768 panels using 600's timings would partially > garble the display. Since it's not possible to distinguish them reliably, > we change the default to 768, but keep 600 as-is on MIPS. > > Further, earlier laptops, such as IBM Thinkpad 240X, has a 800x600 LCD > panel, this driver would probably garbled those display. As we don't > have one for testing, the original behavior of the driver is kept as-is, > but the problem has been documented is the comments. > > Signed-off-by: Yifeng Li > Cc: stable@vger.kernel.org # v4.4+ Tested-by: Sudip Mukherjee -- Regards Sudip