OMAPDSS: configure WB fifo thresholds

Fifo thresholds for all pipelines are set in dispc_init_fifos(), but we
are missing it for WB pipeline. Add that.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c
index 0ebfef9ae07fb69a13738e0c192f592d4a485b1e..22b6e0f3e657ef14411bf5ee05aff2edfadaba86 100644 (file)
--- a/drivers/video/fbdev/omap2/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/dss/dispc.c
@@ -1205,6 +1205,17 @@ static void dispc_init_fifos(void)
 
                dispc_ovl_set_fifo_threshold(i, low, high);
        }
+
+       if (dispc.feat->has_writeback) {
+               u32 low, high;
+               const bool use_fifomerge = false;
+               const bool manual_update = false;
+
+               dispc_ovl_compute_fifo_thresholds(OMAP_DSS_WB, &low, &high,
+                       use_fifomerge, manual_update);
+
+               dispc_ovl_set_fifo_threshold(OMAP_DSS_WB, low, high);
+       }
 }
 
 static u32 dispc_ovl_get_fifo_size(enum omap_plane plane)