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OMAPDSS: configure WB mflag threshold 

Mflag thresholds for all pipelines are set in dispc_init_mflag(), but we
are missing that for WB pipeline. Add WB configuration.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2015-11-04 17:10:50 +02:00
parent 65e116e173
commit ecb0b366af
1 changed files with 19 additions and 0 deletions
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19
drivers/video/fbdev/omap2/dss/dispc.c
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@ -1384,6 +1384,25 @@ static void dispc_init_mflag(void)
dispc_ovl_set_mflag_threshold(i, low, high);
}
if (dispc.feat->has_writeback) {
u32 size = dispc_ovl_get_fifo_size(OMAP_DSS_WB);
u32 unit = dss_feat_get_buffer_size_unit();
u32 low, high;
dispc_ovl_set_mflag(OMAP_DSS_WB, true);
/*
* Simulation team suggests below thesholds:
* HT = fifosize * 5 / 8;
* LT = fifosize * 4 / 8;
*/
low = size * 4 / 8 / unit;
high = size * 5 / 8 / unit;
dispc_ovl_set_mflag_threshold(OMAP_DSS_WB, low, high);
}
}
static void dispc_ovl_set_fir(enum omap_plane plane,