From: David S. Miller <davem@davemloft.net>
Date: Mon, 7 Nov 2005 22:09:44 +0000 (-0800)
Subject: [SPARC]: Remove bogus register programming in cg6 driver.
X-Git-Tag: firefly_0821_release~40546^2~17
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4c85ce522fc4bf1b8fcd6255fadc11cfb75773df;p=firefly-linux-kernel-4.4.55.git

[SPARC]: Remove bogus register programming in cg6 driver.

Don't write garbage into the overlay plane.

Noted by Bob Breuer.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 3280bb9560e2..414c4409e924 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -653,12 +653,6 @@ static void cg6_chip_init(struct fb_info *info)
 	sbus_writel(0, &fbc->clipminy);
 	sbus_writel(info->var.xres - 1, &fbc->clipmaxx);
 	sbus_writel(info->var.yres - 1, &fbc->clipmaxy);
-
-	/* Disable cursor in Brooktree DAC. */
-	sbus_writel(0x06 << 24, &par->bt->addr);
-	tmp = sbus_readl(&par->bt->control);
-	tmp &= ~(0x03 << 24);
-	sbus_writel(tmp, &par->bt->control);
 }
 
 struct all_info {