From: Greg KH on
2.6.34-stable review patch. If anyone has any objections, please let me know.

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

From: Alex Deucher <alexdeucher(a)gmail.com>

commit 45737447ed160faaba036c0709226bf9057f7b72 upstream.

Seems to cause issues with the sound hardware. Fixes kernel
bug 15982:
https://bugzilla.kernel.org/show_bug.cgi?id=15982

Signed-off-by: Alex Deucher <alexdeucher(a)gmail.com>
Signed-off-by: Dave Airlie <airlied(a)redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
drivers/gpu/drm/radeon/radeon_display.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -978,8 +978,11 @@ void radeon_update_display_priority(stru
/* set display priority to high for r3xx, rv515 chips
* this avoids flickering due to underflow to the
* display controllers during heavy acceleration.
+ * Don't force high on rs4xx igp chips as it seems to
+ * affect the sound card. See kernel bug 15982.
*/
- if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515))
+ if ((ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515)) &&
+ !(rdev->flags & RADEON_IS_IGP))
rdev->disp_priority = 2;
else
rdev->disp_priority = 0;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/