From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
To: Yifeng Li <tomli@tomli.me>
Cc: Teddy Wang <teddy.wang@siliconmotion.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH 8/8] fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display.
Date: Sun, 31 Mar 2019 13:21:03 +0100 [thread overview]
Message-ID: <20190331122103.o7ek46dvhop7lewm@debian> (raw)
In-Reply-To: <20190316222504.27170-9-tomli@tomli.me>
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 <tomli@tomli.me>
> Cc: stable@vger.kernel.org # v4.4+
Tested-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
--
Regards
Sudip
prev parent reply other threads:[~2019-03-31 12:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190316222504.27170-1-tomli@tomli.me>
2019-03-16 22:24 ` [PATCH 1/8] fbdev: sm712fb: fix white screen of death on reboot, don't set CR3B-CR3F Yifeng Li
2019-03-31 12:18 ` Sudip Mukherjee
2019-03-16 22:24 ` [PATCH 2/8] fbdev: sm712fb: fix brightness control on reboot, don't set SR30 Yifeng Li
2019-03-31 12:19 ` Sudip Mukherjee
2019-03-16 22:24 ` [PATCH 3/8] fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75 Yifeng Li
2019-03-31 12:19 ` Sudip Mukherjee
2019-03-16 22:25 ` [PATCH 4/8] fbdev: sm712fb: fix boot screen glitch when sm712fb replaces VGA Yifeng Li
2019-03-31 12:19 ` Sudip Mukherjee
2019-03-16 22:25 ` [PATCH 5/8] fbdev: sm712fb: fix crashes during framebuffer writes by correctly mapping VRAM Yifeng Li
2019-03-24 21:39 ` Sudip Mukherjee
2019-03-31 12:20 ` Sudip Mukherjee
2019-03-16 22:25 ` [PATCH 6/8] fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting Yifeng Li
2019-03-31 12:20 ` Sudip Mukherjee
2019-03-16 22:25 ` [PATCH 7/8] fbdev: sm712fb: fix support for 1024x768-16 mode Yifeng Li
2019-03-31 12:20 ` Sudip Mukherjee
2019-03-16 22:25 ` [PATCH 8/8] fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display Yifeng Li
2019-03-31 12:21 ` Sudip Mukherjee [this message]
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