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From: Mans Rullgard <mans@mansr.com>
Date: Sun, 6 Jul 2008 13:15:36 +0000 (+0100)
Subject: omapfb: enable overlay optimisation when possible
X-Git-Tag: beagle-5~1
X-Git-Url: http://git.mansr.com/?p=linux-omap;a=commitdiff_plain;h=a63ac3abdf6781f863112321260fe7a5da757802
omapfb: enable overlay optimisation when possible
---
diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index 6aff476..3b36227 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -582,11 +582,13 @@ static int omap_dispc_enable_plane(int plane, int enable)
const u32 at_reg[] = { DISPC_GFX_ATTRIBUTES,
DISPC_VID1_BASE + DISPC_VID_ATTRIBUTES,
DISPC_VID2_BASE + DISPC_VID_ATTRIBUTES };
+ unsigned overlay_opt = plane & !!enable & !dispc.color_key.key_type;
if ((unsigned int)plane > dispc.mem_desc.region_cnt)
return -EINVAL;
enable_lcd_clocks(1);
MOD_REG_FLD(at_reg[plane], 1, enable ? 1 : 0);
+ MOD_REG_FLD(DISPC_CONTROL, 1<<12 | 1<<5, overlay_opt<<12 | 1<<5);
enable_lcd_clocks(0);
return 0;
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