diff options
| author | Jon Medhurst <tixy@linaro.org> | 2016-01-11 18:13:52 +0000 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2017-02-20 09:38:18 +0000 |
| commit | 5658d53626e41dfe2cae06ecd5bac5b904f93a6d (patch) | |
| tree | 699189e840fe61e834923a39b3ad19dcc7adf713 | |
| parent | fb56263e696d075d350668d85aa2a9ab63afb8f3 (diff) | |
drm: hdlcd: Make panning wait for old frame to not be used
Because Android will imediately start reusing the old frame.
Signed-off-by: Jon Medhurst <tixy@linaro.org>
| -rw-r--r-- | drivers/gpu/drm/arm/hdlcd_fb_helper.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/arm/hdlcd_fb_helper.c b/drivers/gpu/drm/arm/hdlcd_fb_helper.c index edf42bf652d7..fdf9baac78a7 100644 --- a/drivers/gpu/drm/arm/hdlcd_fb_helper.c +++ b/drivers/gpu/drm/arm/hdlcd_fb_helper.c @@ -546,7 +546,9 @@ static int hdlcd_fb_helper_pan_display(struct fb_var_screeninfo *var, hdlcd_write(hdlcd, HDLCD_REG_FB_BASE, scanout_start); - return ret; + hdlcd_wait_for_frame_completion(helper->dev); + + return 0; } static struct fb_ops hdlcd_drm_fbdev_ops = { |