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drm/nouveau: fix panels using straps-based mode detection
nouveau_bios_fp_mode() zeroes the mode struct before filling in relevant entries. This nukes the mode id initialised by drm_mode_create(), and causes warnings from idr when we try to remove the mode. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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1 changed files with 4 additions and 2 deletions
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@ -594,8 +594,10 @@ nouveau_connector_get_modes(struct drm_connector *connector)
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if (nv_encoder->dcb->type == OUTPUT_LVDS &&
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(nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
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dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
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nv_connector->native_mode = drm_mode_create(dev);
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nouveau_bios_fp_mode(dev, nv_connector->native_mode);
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struct drm_display_mode mode;
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nouveau_bios_fp_mode(dev, &mode);
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nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
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}
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/* Find the native mode if this is a digital panel, if we didn't
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