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drm/radeon/kms: use lcd pll limits when available

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The bios has alternate pll output limits for LCD panels.
If available, use these for pll divider calculations.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-03-08 12:55:16 -05:00
committed by Dave Airlie
parent b792210e7d
commit 86cb2bbfda
5 changed files with 52 additions and 5 deletions
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1
drivers/gpu/drm/radeon/atombios_crtc.c
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@@ -525,6 +525,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
pll->algo = dig->pll_algo;
pll->flags |= RADEON_PLL_IS_LCD;
}
} else {
if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)