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drm/radeon/kms: don't use bios dividers for lvds on r4xx

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R4xx cards don't have lvds pll dividers since they use atom.

should fix rh bug 541562

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2009-12-02 00:59:37 -05:00
committed by Dave Airlie
parent d684076627
commit 4c4f5413c3
1 changed files with 12 additions and 10 deletions
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2
drivers/gpu/drm/radeon/radeon_legacy_crtc.c
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@@ -796,6 +796,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
if (!rdev->is_atom_bios) {
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
if (lvds) {
@@ -811,6 +812,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
}
}
}
}
DRM_DEBUG("\n");