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

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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.