drm/nouveau: Workaround incorrect DCB entry on a GeForce3 Ti 200.
Fixes the DVI-D output on that board (fdo bug 32645). Reported-by: Bryan Quigley <BryanQuigley@Ubuntu.com> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -6310,6 +6310,9 @@ void merge_like_dcb_entries(struct drm_device *dev, struct dcb_table *dcb)
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static bool
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apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
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{
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct dcb_table *dcb = &dev_priv->vbios.dcb;
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/* Dell Precision M6300
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* DCB entry 2: 02025312 00000010
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* DCB entry 3: 02026312 00000020
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@ -6327,6 +6330,18 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
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return false;
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}
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/* GeForce3 Ti 200
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*
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* DCB reports an LVDS output that should be TMDS:
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* DCB entry 1: f2005014 ffffffff
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*/
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if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) {
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if (*conn == 0xf2005014 && *conf == 0xffffffff) {
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fabricate_dcb_output(dcb, OUTPUT_TMDS, 1, 1, 1);
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return false;
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}
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}
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return true;
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}
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