diff options
| author | Fancy Fang <chen.fang@freescale.com> | 2015-09-21 15:37:08 +0800 |
|---|---|---|
| committer | Fancy Fang <chen.fang@freescale.com> | 2015-09-22 14:58:32 +0800 |
| commit | a48460b41399112f5d3ae03b30e3f9e885346ff7 (patch) | |
| tree | 62c182037d180f2ebd88e5f8d05b640ea568bb25 /drivers | |
| parent | f54c7527895575a2e474b17a4752724977b898ea (diff) | |
MLK-11594 video: mxsfb: correct the pm runtime logic
The pm power's usage_count should be first added by
one before putting it into suspend state. Otherwise
the usage_count will be negative and the power cannot
be put into suspend state correctly.
Signed-off-by: Fancy Fang <chen.fang@freescale.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/mxsfb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 25bdf31efa80..4d38ef35e3d8 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -896,9 +896,7 @@ static int mxsfb_blank(int blank, struct fb_info *fb_info) case FB_BLANK_NORMAL: if (host->enabled) { mxsfb_disable_controller(fb_info); - pm_runtime_put_noidle(&host->pdev->dev); pm_runtime_put_sync_suspend(&host->pdev->dev); - pm_runtime_get_noresume(&host->pdev->dev); } clk_disable_disp_axi(host); @@ -1478,6 +1476,7 @@ static int mxsfb_probe(struct platform_device *pdev) writel(0, host->base + LCDC_CTRL); mxsfb_set_par(fb_info); mxsfb_enable_controller(fb_info); + pm_runtime_get_sync(&host->pdev->dev); } ret = register_framebuffer(fb_info); |