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drm/nouveau/kms: don't fail if there's no dcb table entries 

Fixes module not loading on Tesla K20.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-06-25 12:26:42 +10:00
parent 79442c3af0
commit d2898713fb
2 changed files with 9 additions and 7 deletions
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3
drivers/gpu/drm/nouveau/nouveau_bios.c
View File

@ -1878,9 +1878,6 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios)
if (dcb->version < 0x21)
merge_like_dcb_entries(dev, dcb);
if (!dcb->entries)
return -ENXIO;
/* dump connector table entries to log, if any exist */
idx = -1;
while ((conn = olddcb_conn(dev, ++idx))) {

13
drivers/gpu/drm/nouveau/nouveau_display.c
View File

@ -332,10 +332,15 @@ nouveau_display_create(struct drm_device *dev)
if (nouveau_modeset == 1 ||
(nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
if (nv_device(drm->device)->card_type < NV_50)
ret = nv04_display_create(dev);
else
ret = nv50_display_create(dev);
if (drm->vbios.dcb.entries) {
if (nv_device(drm->device)->card_type < NV_50)
ret = nv04_display_create(dev);
else
ret = nv50_display_create(dev);
} else {
ret = 0;
}
if (ret)
goto disp_create_err;