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drm/nouveau: support init table i2c device identifier 0x81 

It appears to be meant to reference the second "default index".

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-05-12 14:45:04 +10:00
parent f8b0be1a75
commit 04f542c07e
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/nouveau/nouveau_bios.c
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@ -810,6 +810,9 @@ init_i2c_device_find(struct drm_device *dev, int i2c_index)
}
if (i2c_index == 0x80) /* g80+ */
i2c_index = dcb->i2c_default_indices & 0xf;
else
if (i2c_index == 0x81)
i2c_index = (dcb->i2c_default_indices & 0xf0) >> 4;
if (i2c_index > DCB_MAX_NUM_I2C_ENTRIES) {
NV_ERROR(dev, "invalid i2c_index 0x%x\n", i2c_index);