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    Subject[ 069/221] drm/radeon/dce32+: use fractional fb dividers for high clocks
    Date
    3.7-stable review patch.  If anyone has any objections, please let me know.

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

    From: Alex Deucher <alexander.deucher@amd.com>

    commit a02dc74b317d78298cb0587b9b1f6f741fd5c139 upstream.

    Fixes flickering with some high res montiors.

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/radeon/atombios_crtc.c | 2 ++
    1 file changed, 2 insertions(+)

    --- a/drivers/gpu/drm/radeon/atombios_crtc.c
    +++ b/drivers/gpu/drm/radeon/atombios_crtc.c
    @@ -561,6 +561,8 @@ static u32 atombios_adjust_pll(struct dr
    /* use frac fb div on APUs */
    if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
    radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
    + if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
    + radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
    } else {
    radeon_crtc->pll_flags |= RADEON_PLL_LEGACY;




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