Messages in this thread Patch in this message | | | Date | Thu, 01 Jul 2010 10:42:42 -0700 | From | Greg KH <> | Subject | [072/200] drm/radeon/kms: dont default display priority to high on rs4xx |
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2.6.34-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexdeucher@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@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@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;
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