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    Subject[072/200] drm/radeon/kms: dont default display priority to high on rs4xx
    2.6.34-stable review patch.  If anyone has any objections, please let me know.

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

    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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