On 08/31/2012 02:18 PM, Manjunathappa, Prakash wrote:
> It is expected that LCDC to continue to be disabled after
> resume if it is blanked before suspend. This is also true
> for DVFS. But it is observed that LCDC being enabled after
> suspend/resume cycle or DVFS.
>
> Correcting it by having check for FB_BLANK_UNBLANK before
> enabling.
>
> Signed-off-by: Manjunathappa, Prakash <[email protected]>
Applied.
Thanks,
Florian Tobias Schandinat
> ---
> Applies on top of fbdev-next of Florian Tobias Schandinat's tree.
> Since v1:
> Re-written commit message.
>
> drivers/video/da8xx-fb.c | 11 +++++++----
> 1 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
> index 761c8d1..1273354 100644
> --- a/drivers/video/da8xx-fb.c
> +++ b/drivers/video/da8xx-fb.c
> @@ -962,7 +962,8 @@ static int lcd_da8xx_cpufreq_transition(struct
> notifier_block *nb,
> par->lcd_fck_rate = clk_get_rate(par->lcdc_clk);
> lcd_disable_raster();
> lcd_calc_clk_divider(par);
> - lcd_enable_raster();
> + if (par->blank == FB_BLANK_UNBLANK)
> + lcd_enable_raster();
> }
> }
>
> @@ -1486,10 +1487,12 @@ static int fb_resume(struct platform_device *dev)
>
> console_lock();
> clk_enable(par->lcdc_clk);
> - lcd_enable_raster();
> + if (par->blank == FB_BLANK_UNBLANK) {
> + lcd_enable_raster();
>
> - if (par->panel_power_ctrl)
> - par->panel_power_ctrl(1);
> + if (par->panel_power_ctrl)
> + par->panel_power_ctrl(1);
> + }
>
> fb_set_suspend(info, 0);
> console_unlock();
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