diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2010-09-20 10:38:30 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-09-24 16:27:58 +1000 |
| commit | dc7339df11bc7a90268929e57e13a14951343cc3 (patch) | |
| tree | 9b2e1afa590933f2c82b86b74d78af2adc4d88ac /drivers/gpu/drm/nouveau/nouveau_volt.c | |
| parent | e49f70f775335ab1ee0ecd54904d2b25982a2600 (diff) | |
drm/nouveau: fix thinko in volt 0x1x parsing
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_volt.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_volt.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_volt.c b/drivers/gpu/drm/nouveau/nouveau_volt.c index 6ce857688eb..04fdc00a67d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_volt.c +++ b/drivers/gpu/drm/nouveau/nouveau_volt.c @@ -110,7 +110,7 @@ nouveau_volt_init(struct drm_device *dev) struct nvbios *bios = &dev_priv->vbios; struct bit_entry P; u8 *volt = NULL, *entry; - int i, recordlen, entries, vidmask, vidshift; + int i, headerlen, recordlen, entries, vidmask, vidshift; if (bios->type == NVBIOS_BIT) { if (bit_table(dev, 'P', &P)) @@ -142,18 +142,21 @@ nouveau_volt_init(struct drm_device *dev) case 0x10: case 0x11: case 0x12: - recordlen = 5; + headerlen = 5; + recordlen = volt[1]; entries = volt[2]; vidshift = 0; vidmask = volt[4]; break; case 0x20: + headerlen = volt[1]; recordlen = volt[3]; entries = volt[2]; vidshift = 0; /* could be vidshift like 0x30? */ vidmask = volt[5]; break; case 0x30: + headerlen = volt[1]; recordlen = volt[2]; entries = volt[3]; vidshift = hweight8(volt[5]); @@ -190,7 +193,7 @@ nouveau_volt_init(struct drm_device *dev) if (!voltage->level) return; - entry = volt + volt[1]; + entry = volt + headerlen; for (i = 0; i < entries; i++, entry += recordlen) { voltage->level[i].voltage = entry[0]; voltage->level[i].vid = entry[1] >> vidshift; |