From: Antonino A. Daplas <adaplas@gmail.com>
Date: Fri, 9 Sep 2005 20:10:05 +0000 (-0700)
Subject: [PATCH] i810fb: Stop LCD displays from flickering
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=63edceac69889e48b1b39f40ca0a4c00fdc3bbb0;p=deliverable%2Flinux.git

[PATCH] i810fb: Stop LCD displays from flickering

Stop LCD displays from flickering during high loads.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 082ddd2089a5..7018ffffcbc4 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -311,6 +311,8 @@ static void i810_hires(u8 __iomem *mmio)
 	val = i810_readb(CR_DATA_CGA, mmio);
 	i810_writeb(CR_INDEX_CGA, mmio, CR80);
 	i810_writeb(CR_DATA_CGA, mmio, val | 1);
+	/* Stop LCD displays from flickering */
+	i810_writel(MEM_MODE, mmio, i810_readl(MEM_MODE, mmio) | 4);
 }
 
 /**