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Commit ecb0b366 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

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: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 65e116e1

drivers/video/fbdev/omap2/dss/dispc.c

+19 −0
Original line number Diff line number Diff line
@@ -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,