diff options
Diffstat (limited to 'drivers/video/omap2/dss/manager.c')
| -rw-r--r-- | drivers/video/omap2/dss/manager.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c index a51eb06..53710fa 100644 --- a/drivers/video/omap2/dss/manager.c +++ b/drivers/video/omap2/dss/manager.c @@ -665,9 +665,40 @@ int dss_mgr_check_timings(struct omap_overlay_manager *mgr, return 0; } +static int dss_mgr_check_lcd_config(struct omap_overlay_manager *mgr, + const struct dss_lcd_mgr_config *config) +{ + struct dispc_clock_info cinfo = config->clock_info; + int dl = config->video_port_width; + bool stallmode = config->stallmode; + bool fifohandcheck = config->fifohandcheck; + + if (cinfo.lck_div < 1 || cinfo.lck_div > 255) + return -EINVAL; + + if (cinfo.pck_div < 1 || cinfo.pck_div > 255) + return -EINVAL; + + if (dl != 12 && dl != 16 && dl != 18 && dl != 24) + return -EINVAL; + + /* fifohandcheck should be used only with stallmode */ + if (stallmode == false && fifohandcheck == true) + return -EINVAL; + + /* + * io pad mode can be only checked by using dssdev connected to the + * manager. Ignore checking these for now, add checks when manager + * is capable of holding information related to the connected interface + */ + + return 0; +} + int dss_mgr_check(struct omap_overlay_manager *mgr, struct omap_overlay_manager_info *info, const struct omap_video_timings *mgr_timings, + const struct dss_lcd_mgr_config *lcd_config, struct omap_overlay_info **overlay_infos) { struct omap_overlay *ovl; @@ -683,6 +714,10 @@ int dss_mgr_check(struct omap_overlay_manager *mgr, if (r) return r; + r = dss_mgr_check_lcd_config(mgr, lcd_config); + if (r) + return r; + list_for_each_entry(ovl, &mgr->overlays, list) { struct omap_overlay_info *oi; int r; |
