diff options
Diffstat (limited to 'drivers/video/fbdev/mxsfb.c')
| -rw-r--r-- | drivers/video/fbdev/mxsfb.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c index 8cbecbf31da8..a50c35b48951 100644 --- a/drivers/video/fbdev/mxsfb.c +++ b/drivers/video/fbdev/mxsfb.c @@ -1191,7 +1191,16 @@ static int mxsfb_init_fbinfo_dt(struct mxsfb_info *host) if (!(vm.flags & DISPLAY_FLAGS_DE_HIGH)) fb_vm.sync |= FB_SYNC_OE_LOW_ACT; - if (vm.flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE) + + /* + * The PIXDATA flags of the display_flags enum are controller + * centric, e.g. NEGEDGE means drive data on negative edge. + * However, the drivers flag is display centric: Sample the + * data on negative (falling) edge. Therefore, check for the + * POSEDGE flag: + * drive on positive edge => sample on negative edge + */ + if (vm.flags & DISPLAY_FLAGS_PIXDATA_POSEDGE) fb_vm.sync |= FB_SYNC_CLK_LAT_FALL; fb_add_videomode(&fb_vm, &fb_info->modelist); } |