Add a capabilities parameter of type omap_overlay_caps to omap_dss_writeback.
These caps let us reuse some of the DISPC overlay functions. Set the
capabilities so the writeback supports scaling and pre multiplied alpha.
Signed-off-by: Archit Taneja <arc...@ti.com>
---
drivers/video/omap2/dss/writeback.c | 3 +++
include/video/omapdss.h | 3 +++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/video/omap2/dss/writeback.c
b/drivers/video/omap2/dss/writeback.c
index 540e61d..14103bf 100644
--- a/drivers/video/omap2/dss/writeback.c
+++ b/drivers/video/omap2/dss/writeback.c
@@ -90,6 +90,9 @@ void dss_init_writeback(void)
wb->id = i;
wb->plane_id = OMAP_DSS_WB + i;
+ wb->caps = OMAP_DSS_OVL_CAP_SCALE |
+ OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
+
wb->set_wb_info = &dss_wb_set_info;
wb->get_wb_info = &dss_wb_get_info;
}
diff --git a/include/video/omapdss.h b/include/video/omapdss.h
index 49e3ccb..291457c 100644
--- a/include/video/omapdss.h
+++ b/include/video/omapdss.h
@@ -493,6 +493,9 @@ struct omap_dss_writeback {
int id;
int plane_id;
+ /* overlay-like capabilities writeback supports */
+ enum omap_overlay_caps caps;
+
/* dummy panel we are connected to */
struct omap_dss_device *dssdev;
--
1.7.4.1
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