drm/nvc0/pm: correct core/mem/shader perflvl parsing

We need to parse some of these other entries still, but I've yet to
determine exactly which PLLs the rest map to.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 13 insertions, 3 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c
index b70b6ef4ee78..90ab4978e812 100644
--- a/drivers/gpu/drm/nouveau/nouveau_perf.c
+++ b/drivers/gpu/drm/nouveau/nouveau_perf.c
@@ -236,9 +236,19 @@ nouveau_perf_init(struct drm_device *dev)
 #define subent(n) entry[perf[2] + ((n) * perf[3])]
                         perflvl->fanspeed = 0; /*XXX*/
                         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;
+                        if (dev_priv->card_type == NV_50) {
+                                perflvl->core = ROM16(subent(0)) & 0xfff;
+                                perflvl->shader = ROM16(subent(1)) & 0xfff;
+                                perflvl->memory = ROM16(subent(2)) & 0xfff;
+                        } else {
+                                perflvl->shader = ROM16(subent(3)) & 0xfff;
+                                perflvl->core   = perflvl->shader / 2;
+                                perflvl->memory = ROM16(subent(5)) & 0xfff;
+                        }
+
+                        perflvl->core *= 1000;
+                        perflvl->shader *= 1000;
+                        perflvl->memory *= 1000;
                         break;
                 }