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drm/nouveau: fix panels using straps-based mode detection

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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>
This commit is contained in:
Ben Skeggs 2010-09-23 16:37:39 +10:00
parent 9bb5863ab4
commit 80dad869a3
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/nouveau/nouveau_connector.c
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@ -594,8 +594,10 @@ nouveau_connector_get_modes(struct drm_connector *connector)
if (nv_encoder->dcb->type == OUTPUT_LVDS &&
(nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
nv_connector->native_mode = drm_mode_create(dev);
nouveau_bios_fp_mode(dev, nv_connector->native_mode);
struct drm_display_mode mode;
nouveau_bios_fp_mode(dev, &mode);
nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
}
/* Find the native mode if this is a digital panel, if we didn't