OMAP: DSS2: OMAPFB: Check var even if there isn't memory
If video memory hasn't been allocate have check_fb_var() still check
most of the settings, just skip the ones involving the size of the
memory region. Also skip the memory address calculations in
omapfb_setup_overlay() if there's no memory.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index 2ac20d2..ccccf3d7 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -668,9 +668,6 @@
DBG("check_fb_var %d\n", ofbi->id);
- if (ofbi->region.size == 0)
- return 0;
-
r = fb_mode_to_dss_mode(var, &mode);
if (r) {
DBG("cannot convert var to omap dss mode\n");
@@ -690,7 +687,8 @@
if (check_fb_res_bounds(var))
return -EINVAL;
- if (check_fb_size(ofbi, var))
+ /* When no memory is allocated ignore the size check */
+ if (ofbi->region.size != 0 && check_fb_size(ofbi, var))
return -EINVAL;
if (var->xres + var->xoffset > var->xres_virtual)
@@ -894,8 +892,9 @@
yres = var->yres;
}
- omapfb_calc_addr(ofbi, var, fix, rotation,
- &data_start_p, &data_start_v);
+ if (ofbi->region.size)
+ omapfb_calc_addr(ofbi, var, fix, rotation,
+ &data_start_p, &data_start_v);
r = fb_mode_to_dss_mode(var, &mode);
if (r) {