OMAPDSS: DISPC: clean up dispc_mgr_timings_ok

dispc_mgr_timings_ok() is a bit confusing how it handles the return
value.

Change the function to just return immediately when a timing is deemed
not valid, making the code much easier to follow.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2014-06-05 11:36:08 +03:00
parent beb8384d4a
commit eadd33bb95

View file

@ -2879,22 +2879,24 @@ static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
bool dispc_mgr_timings_ok(enum omap_channel channel, bool dispc_mgr_timings_ok(enum omap_channel channel,
const struct omap_video_timings *timings) const struct omap_video_timings *timings)
{ {
bool timings_ok; if (!_dispc_mgr_size_ok(timings->x_res, timings->y_res))
return false;
timings_ok = _dispc_mgr_size_ok(timings->x_res, timings->y_res); if (!_dispc_mgr_pclk_ok(channel, timings->pixelclock))
return false;
timings_ok &= _dispc_mgr_pclk_ok(channel, timings->pixelclock);
if (dss_mgr_is_lcd(channel)) { if (dss_mgr_is_lcd(channel)) {
/* TODO: OMAP4+ supports interlace for LCD outputs */ /* TODO: OMAP4+ supports interlace for LCD outputs */
timings_ok &= timings->interlace == false; if (timings->interlace)
return false;
timings_ok &= _dispc_lcd_timings_ok(timings->hsw, timings->hfp, if (!_dispc_lcd_timings_ok(timings->hsw, timings->hfp,
timings->hbp, timings->vsw, timings->vfp, timings->hbp, timings->vsw, timings->vfp,
timings->vbp); timings->vbp))
return false;
} }
return timings_ok; return true;
} }
static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw, static void _dispc_mgr_set_lcd_timings(enum omap_channel channel, int hsw,