From 137df5e32139155040571e4d8c08bd3793030b1f Mon Sep 17 00:00:00 2001 From: Archit Taneja Date: Mon, 10 Sep 2012 17:31:39 +0530 Subject: [PATCH] --- yaml --- r: 333612 b: refs/heads/master c: 8bbe09ee4d2c3f201c302f0af75a7c5e17d72625 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/video/omap2/dss/dispc.c | 10 +++++++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index 23eac43e61f8..dbea12884924 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 9e4a0fc76549e1105fd4a2c7e03871c31110387e +refs/heads/master: 8bbe09ee4d2c3f201c302f0af75a7c5e17d72625 diff --git a/trunk/drivers/video/omap2/dss/dispc.c b/trunk/drivers/video/omap2/dss/dispc.c index 9f083a952747..6f326765f341 100644 --- a/trunk/drivers/video/omap2/dss/dispc.c +++ b/trunk/drivers/video/omap2/dss/dispc.c @@ -993,7 +993,7 @@ void dispc_wb_set_channel_in(enum dss_writeback_channel channel) static void dispc_ovl_set_burst_size(enum omap_plane plane, enum omap_burst_size burst_size) { - static const unsigned shifts[] = { 6, 14, 14, 14, }; + static const unsigned shifts[] = { 6, 14, 14, 14, 14, }; int shift; shift = shifts[plane]; @@ -1225,6 +1225,14 @@ void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, if (manual_update && dss_has_feature(FEAT_OMAP3_DSI_FIFO_BUG)) { *fifo_low = ovl_fifo_size - burst_size * 2; *fifo_high = total_fifo_size - burst_size; + } else if (plane == OMAP_DSS_WB) { + /* + * Most optimal configuration for writeback is to push out data + * to the interconnect the moment writeback pushes enough pixels + * in the FIFO to form a burst + */ + *fifo_low = 0; + *fifo_high = burst_size; } else { *fifo_low = ovl_fifo_size - burst_size; *fifo_high = total_fifo_size - buf_unit;