From 65e116e17327bce9b75adb02574a6edf126f7ef2 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Wed, 4 Nov 2015 17:10:49 +0200 Subject: [PATCH] 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 --- drivers/video/fbdev/omap2/dss/dispc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) 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)