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drm/nouveau: Fix TV-out detection on unposted cards lacking a usable DCB table.

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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-07-24 17:42:20 +02:00 committed by Ben Skeggs
parent 946fd35f88
commit c04c5b1da1
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/nouveau/nv04_display.c
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@ -78,6 +78,14 @@ nv04_display_store_initial_head_owner(struct drm_device *dev)
int
nv04_display_early_init(struct drm_device *dev)
{
/* Make the I2C buses accessible. */
if (!nv_gf4_disp_arch(dev)) {
uint32_t pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE);
if (!(pmc_enable & 1))
nv_wr32(dev, NV03_PMC_ENABLE, pmc_enable | 1);
}
/* Unlock the VGA CRTCs. */
NVLockVgaCrtcs(dev, false);