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drm/nv50: obey dcb->duallink_possible

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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>
This commit is contained in:
Ben Skeggs 2010-05-28 10:04:05 +10:00
parent 23484874e6
commit 2c58077541
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/nouveau/nouveau_connector.c
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@ -593,8 +593,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
break;
case OUTPUT_TMDS:
if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) ||
(dev_priv->card_type < NV_50 &&
!nv_encoder->dcb->duallink_possible))
!nv_encoder->dcb->duallink_possible)
max_clock = 165000;
else
max_clock = 330000;