From: Paul Mundt <lethal@linux-sh.org>
To: Magnus Damm <magnus.damm@gmail.com>
Cc: linux-sh@vger.kernel.org, francesco.virlinzi@st.com,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [PATCH] sh: SuperH Mobile suspend support V3
Date: Mon, 16 Mar 2009 20:00:40 +0900 [thread overview]
Message-ID: <20090316110039.GB21433@linux-sh.org> (raw)
In-Reply-To: <20090313153655.20515.14828.sendpatchset@rx1.opensource.se> <20090313152714.20494.42365.sendpatchset@rx1.opensource.se> <20090313152304.20487.42793.sendpatchset@rx1.opensource.se>
On Sat, Mar 14, 2009 at 12:23:04AM +0900, Magnus Damm wrote:
> This patch contains CONFIG_SUSPEND support to the SuperH
> architecture V3. If enabled, SuperH Mobile processors will
> register their suspend callbacks during boot.
>
> To suspend, use "echo mem > /sys/power/state". To allow
> wakeup, make sure "/sys/device/platform/../power/wakeup"
> contains "enabled". Additional per-device driver patches
> are most likely needed.
>
> Signed-off-by: Magnus Damm <damm@igel.co.jp>
On Sat, Mar 14, 2009 at 12:27:14AM +0900, Magnus Damm wrote:
> Improve the ap325 board code to allow the lcd panel
> and backlight to be powered off.
>
> Signed-off-by: Magnus Damm <damm@igel.co.jp>
On Sat, Mar 14, 2009 at 12:36:55AM +0900, Magnus Damm wrote:
> This patch adds suspend/resume support to the LCDC
> driver for SuperH Mobile - sh_mobile_lcdcfb.
>
> We simply stop hardware on suspend and start it again
> on resume. For RGB panels this is trivial, but for SYS
> panels in deferred io mode this becomes a bit more
> difficult - we need to wait for a frame end interrupt
> to make sure the clocks are balanced before stopping
> the actual hardware.
>
> Signed-off-by: Magnus Damm <damm@igel.co.jp>
All applied, thanks.
prev parent reply other threads:[~2009-03-16 11:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-13 15:36 [PATCH] video: sh_mobile_lcdcfb suspend/resume support Magnus Damm
[not found] ` <20090313152714.20494.42365.sendpatchset@rx1.opensource.se>
[not found] ` <20090313152304.20487.42793.sendpatchset@rx1.opensource.se>
2009-03-16 11:00 ` Paul Mundt [this message]
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