drm/nouveau: parse voltage from perf 0x40 entires

This was disabled previously because of some uncertainty that +2 was
indeed the voltage.  It appears it is, checked on a NVA8 and a NVA3M.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-10-04 15:27:58 +10:00
parent eadc69cc90
commit ca8e7c6ccd

View File

@ -173,7 +173,7 @@ nouveau_perf_init(struct drm_device *dev)
case 0x40:
#define subent(n) entry[perf[2] + ((n) * perf[3])]
perflvl->fanspeed = 0; /*XXX*/
perflvl->voltage = 0; /*XXX: entry[2] */;
perflvl->voltage = entry[2];
perflvl->core = (ROM16(subent(0)) & 0xfff) * 1000;
perflvl->shader = (ROM16(subent(1)) & 0xfff) * 1000;
perflvl->memory = (ROM16(subent(2)) & 0xfff) * 1000;