Applied.
On Fri, Mar 11, 2011 at 5:20 PM, Vasily Khoruzhick <anarsoul@xxxxxxxxx> wrote:
> It's not safe to disable controller if overlay(s) is enabled (results in
> system hang). So we avoid to disable controller in this case. Userspace
> should choose proper governor to avoid freq changing when overlay is in
> use, otherwise LCD may blink.
>
> Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>
> ---
> Âdrivers/video/pxafb.c | Â Â3 ++-
> Â1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
> index a3bdcc1..a2e5b51 100644
> --- a/drivers/video/pxafb.c
> +++ b/drivers/video/pxafb.c
> @@ -1648,7 +1648,8 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
>
> Â Â Â Âswitch (val) {
> Â Â Â Âcase CPUFREQ_PRECHANGE:
> - Â Â Â Â Â Â Â set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
> + Â Â Â Â Â Â Â if (!fbi->overlay[0].usage && !fbi->overlay[1].usage)
> + Â Â Â Â Â Â Â Â Â Â Â set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
> Â Â Â Â Â Â Â Âbreak;
>
> Â Â Â Âcase CPUFREQ_POSTCHANGE:
> --
> 1.7.4.1
>
>
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>
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