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Commit ca8e7c6c authored by Ben Skeggs's avatar Ben Skeggs
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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: default avatarBen Skeggs <bskeggs@redhat.com>
parent eadc69cc

drivers/gpu/drm/nouveau/nouveau_perf.c

+1 −1
Original line number Diff line number Diff line
@@ -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;