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path: root/drivers/video/omap2/dss/overlay.c
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Diffstat (limited to 'drivers/video/omap2/dss/overlay.c')
-rw-r--r--drivers/video/omap2/dss/overlay.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 00c01a395554..4dc6b92592d0 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -430,96 +430,6 @@ static struct kobj_type overlay_ktype = {
.default_attrs = overlay_sysfs_attrs,
};
-/* Check if overlay parameters are compatible with display */
-int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev)
-{
- struct omap_overlay_info *info;
- u16 outw, outh;
- u16 dw, dh;
- int i;
-
- if (!dssdev)
- return 0;
-
- if (!ovl->info.enabled)
- return 0;
-
- info = &ovl->info;
-
- if (info->paddr == 0) {
- DSSDBG("check_overlay failed: paddr 0\n");
- return -EINVAL;
- }
-
- dssdev->driver->get_resolution(dssdev, &dw, &dh);
-
- DSSDBG("check_overlay %d: (%d,%d %dx%d -> %dx%d) disp (%dx%d)\n",
- ovl->id,
- info->pos_x, info->pos_y,
- info->width, info->height,
- info->out_width, info->out_height,
- dw, dh);
-
- if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
- outw = info->width;
- outh = info->height;
- } else {
- if (info->out_width == 0)
- outw = info->width;
- else
- outw = info->out_width;
-
- if (info->out_height == 0)
- outh = info->height;
- else
- outh = info->out_height;
- }
-
- if (dw < info->pos_x + outw) {
- DSSDBG("check_overlay failed 1: %d < %d + %d\n",
- dw, info->pos_x, outw);
- return -EINVAL;
- }
-
- if (dh < info->pos_y + outh) {
- DSSDBG("check_overlay failed 2: %d < %d + %d\n",
- dh, info->pos_y, outh);
- return -EINVAL;
- }
-
- if ((ovl->supported_modes & info->color_mode) == 0) {
- DSSERR("overlay doesn't support mode %d\n", info->color_mode);
- return -EINVAL;
- }
-
- if (ovl->caps & OMAP_DSS_OVL_CAP_ZORDER) {
- if (info->zorder < 0 || info->zorder > 3) {
- DSSERR("zorder out of range: %d\n",
- info->zorder);
- return -EINVAL;
- }
- /*
- * Check that zorder doesn't match with zorder of any other
- * overlay which is enabled and is also connected to the same
- * manager
- */
- for (i = 0; i < omap_dss_get_num_overlays(); i++) {
- struct omap_overlay *tmp_ovl = omap_dss_get_overlay(i);
-
- if (tmp_ovl->id != ovl->id &&
- tmp_ovl->manager == ovl->manager &&
- tmp_ovl->info.enabled == true &&
- tmp_ovl->info.zorder == info->zorder) {
- DSSERR("%s and %s have same zorder: %d\n",
- ovl->name, tmp_ovl->name, info->zorder);
- return -EINVAL;
- }
- }
- }
-
- return 0;
-}
-
int omap_dss_get_num_overlays(void)
{
return num_overlays;