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>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c
index 0ebfef9ae07f..22b6e0f3e657 100644
--- 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)