drm/omap: DISPC: Fix field order for HDMI
Interlace field order is different between VENC and HDMI. The driver
currently sets the field order for VENC.
This patch adds the code to set the field order for HDMI.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 1e7f269..a4274dc 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -106,6 +106,13 @@
bool has_writeback:1;
bool supports_double_pixel:1;
+
+ /*
+ * Field order for VENC is different than HDMI. We should handle this in
+ * some intelligent manner, but as the SoCs have either HDMI or VENC,
+ * never both, we can just use this flag for now.
+ */
+ bool reverse_ilace_field_order:1;
};
#define DISPC_MAX_NR_FIFOS 5
@@ -2749,6 +2756,9 @@
dispc_ovl_configure_burst_type(plane, rotation_type);
+ if (dispc.feat->reverse_ilace_field_order)
+ swap(offset0, offset1);
+
dispc_ovl_set_ba0(plane, paddr + offset0);
dispc_ovl_set_ba1(plane, paddr + offset1);
@@ -3958,6 +3968,7 @@
.supports_sync_align = true,
.has_writeback = true,
.supports_double_pixel = true,
+ .reverse_ilace_field_order = true,
};
static const struct dispc_features omap54xx_dispc_feats = {
@@ -3982,6 +3993,7 @@
.supports_sync_align = true,
.has_writeback = true,
.supports_double_pixel = true,
+ .reverse_ilace_field_order = true,
};
static int dispc_init_features(struct platform_device *pdev)