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    Subject[48/55] drm/radeon/kms: prefer legacy pll algo for tv-out
    2.6.37-stable review patch.  If anyone has any objections, please let us know.

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

    From: Alex Deucher <alexdeucher@gmail.com>

    commit 64146f8b2af1ba77fe3c21d9d6d7213b9bb72b40 upstream.

    ntsc seems to work fine with either algo, some
    pal TVs seem pickier.

    Fixes:
    https://bugzilla.kernel.org/show_bug.cgi?id=30832

    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/atombios_crtc.c | 6 +++++-
    1 file changed, 5 insertions(+), 1 deletion(-)

    --- a/drivers/gpu/drm/radeon/atombios_crtc.c
    +++ b/drivers/gpu/drm/radeon/atombios_crtc.c
    @@ -921,7 +921,11 @@ static void atombios_crtc_set_pll(struct
    /* adjust pixel clock as needed */
    adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);

    - if (ASIC_IS_AVIVO(rdev))
    + if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
    + /* TV seems to prefer the legacy algo on some boards */
    + radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
    + &ref_div, &post_div);
    + else if (ASIC_IS_AVIVO(rdev))
    radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
    &ref_div, &post_div);
    else



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