On 04/04/2012 06:57 AM, Jingoo Han wrote:
> This patch adds runtime_get/put to suspend/resume, which should be
> necessary to prevent the problem to access the fimd register
> without block power on.
>
> Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Applied.
Thanks,
Florian Tobias Schandinat
> ---
> drivers/video/s3c-fb.c | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
> index f310516..76f3cf2 100644
> --- a/drivers/video/s3c-fb.c
> +++ b/drivers/video/s3c-fb.c
> @@ -1564,6 +1564,8 @@ static int s3c_fb_suspend(struct device *dev)
> struct s3c_fb_win *win;
> int win_no;
>
> + pm_runtime_get_sync(sfb->dev);
> +
> for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) {
> win = sfb->windows[win_no];
> if (!win)
> @@ -1577,6 +1579,9 @@ static int s3c_fb_suspend(struct device *dev)
> clk_disable(sfb->lcd_clk);
>
> clk_disable(sfb->bus_clk);
> +
> + pm_runtime_put_sync(sfb->dev);
> +
> return 0;
> }
>
> @@ -1589,6 +1594,8 @@ static int s3c_fb_resume(struct device *dev)
> int win_no;
> u32 reg;
>
> + pm_runtime_get_sync(sfb->dev);
> +
> clk_enable(sfb->bus_clk);
>
> if (!sfb->variant.has_clksel)
> @@ -1633,6 +1640,8 @@ static int s3c_fb_resume(struct device *dev)
> s3c_fb_set_par(win->fbinfo);
> }
>
> + pm_runtime_put_sync(sfb->dev);
> +
> return 0;
> }
> #endif
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