drm/nv50/pm: s/unk05/vdec/

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

drivers/gpu/drm/nouveau/nouveau_drv.h

@@ -487,7 +487,6 @@ struct nouveau_pm_level {
 	u32 copy;
 	u32 daemon;
 	u32 vdec;
-	u32 unk05;	/* nv50:nva3, roughly.. */
 	u32 unka0;	/* nva3:nvc0 */
 	u32 hub01;	/* nvc0- */
 	u32 hub06;	/* nvc0- */

drivers/gpu/drm/nouveau/nouveau_perf.c

@@ -301,8 +301,7 @@ nouveau_perf_init(struct drm_device *dev)
 			perflvl->core = ROM16(entry[8]) * 1000;
 			perflvl->shader = ROM16(entry[10]) * 1000;
 			perflvl->memory = ROM16(entry[12]) * 1000;
-			/*XXX: confirm on 0x35 */
-			perflvl->unk05 = ROM16(entry[16]) * 1000;
+			perflvl->vdec = ROM16(entry[16]) * 1000;
 			break;
 		case 0x40:
 #define subent(n) (ROM16(entry[perf[2] + ((n) * perf[3])]) & 0xfff) * 1000

drivers/gpu/drm/nouveau/nouveau_pm.c

@@ -154,7 +154,7 @@ nouveau_pm_perflvl_set(struct drm_device *dev, struct nouveau_pm_level *perflvl)
 		nouveau_pm_clock_set(dev, perflvl, PLL_CORE, perflvl->core);
 		nouveau_pm_clock_set(dev, perflvl, PLL_SHADER, perflvl->shader);
 		nouveau_pm_clock_set(dev, perflvl, PLL_MEMORY, perflvl->memory);
-		nouveau_pm_clock_set(dev, perflvl, PLL_UNK05, perflvl->unk05);
+		nouveau_pm_clock_set(dev, perflvl, PLL_UNK05, perflvl->vdec);
 	}
 
 	pm->cur = perflvl;
@@ -222,7 +222,7 @@ nouveau_pm_perflvl_get(struct drm_device *dev, struct nouveau_pm_level *perflvl)
 
 		ret = pm->clock_get(dev, PLL_UNK05);
 		if (ret > 0)
-			perflvl->unk05 = ret;
+			perflvl->vdec = ret;
 	}
 
 	if (pm->voltage.supported && pm->voltage_get) {