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drm/nouveau: don't execute INIT_GPIO unless we're really running the table 

This resulted in accidently switching off the eDP panel on certain laptops
since the default state in the GPIO table was off.

Fixes rh#582621

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-05-26 10:41:45 +10:00
parent f50c0b91e7
commit 73db4bedc5
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -2807,7 +2807,10 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
BIOSLOG(bios, "0x%04X: Entry: 0x%08X\n", offset, gpio->entry);
nv50_gpio_set(bios->dev, gpio->tag, gpio->state_default);
BIOSLOG(bios, "0x%04X: set gpio 0x%02x, state %d\n",
offset, gpio->tag, gpio->state_default);
if (bios->execute)
nv50_gpio_set(bios->dev, gpio->tag, gpio->state_default);
/* The NVIDIA binary driver doesn't appear to actually do
* any of this, my VBIOS does however.