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drm/nv50: obey dcb->duallink_possible
It was once assumed that all G8x had dual-link TMDS everywhere, this isn't actually the case - especially considering passive DP->DVI converters and some HDMI connectors only support single-link. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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1 changed files with 1 additions and 2 deletions
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@ -593,8 +593,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
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break;
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case OUTPUT_TMDS:
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if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) ||
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(dev_priv->card_type < NV_50 &&
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!nv_encoder->dcb->duallink_possible))
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!nv_encoder->dcb->duallink_possible)
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max_clock = 165000;
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else
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max_clock = 330000;
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