linux-kernel - [patch 105/123] drm/radeon/kms/atom: fix shr/shl ops

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Date:	Fri, 12 Mar 2010 16:13:23 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...hat.com>
Subject: [patch 105/123] drm/radeon/kms/atom: fix shr/shl ops

2.6.33-stable review patch.  If anyone has any objections, please let me know.

-----------------

From: Alex Deucher <alexdeucher@...il.com>

commit 6a8a2d702b33c6ed5c789f21b4e89fdf221f01ca upstream.

The whole attribute table is valid for
shr/shl ops.

Fixes fdo bug 26668

Signed-off-by: Alex Deucher <alexdeucher@...il.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/radeon/atom.c |    4 ----
 1 file changed, 4 deletions(-)

--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -881,8 +881,6 @@ static void atom_op_shl(atom_exec_contex
 	uint8_t attr = U8((*ptr)++), shift;
 	uint32_t saved, dst;
 	int dptr = *ptr;
-	attr &= 0x38;
-	attr |= atom_def_dst[attr >> 3] << 6;
 	SDEBUG("   dst: ");
 	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
 	shift = atom_get_src(ctx, attr, ptr);
@@ -897,8 +895,6 @@ static void atom_op_shr(atom_exec_contex
 	uint8_t attr = U8((*ptr)++), shift;
 	uint32_t saved, dst;
 	int dptr = *ptr;
-	attr &= 0x38;
-	attr |= atom_def_dst[attr >> 3] << 6;
 	SDEBUG("   dst: ");
 	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
 	shift = atom_get_src(ctx, attr, ptr);


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