drm/nouveau/pmu: move preinit() falcon reset to devinit

Cleanup before falcon changes.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c

@@ -26,6 +26,7 @@
 #include <subdev/bios.h>
 #include <subdev/bios/bit.h>
 #include <subdev/bios/pmu.h>
+#include <subdev/pmu.h>
 #include <subdev/timer.h>
 
 static void
@@ -85,13 +86,18 @@ pmu_load(struct nv50_devinit *init, u8 type, bool post,
 	struct nvkm_subdev *subdev = &init->base.subdev;
 	struct nvkm_bios *bios = subdev->device->bios;
 	struct nvbios_pmuR pmu;
+	int ret;
 
 	if (!nvbios_pmuRm(bios, type, &pmu))
 		return -EINVAL;
 
-	if (!post)
+	if (!post || !subdev->device->pmu)
 		return 0;
 
+	ret = nvkm_falcon_reset(&subdev->device->pmu->falcon);
+	if (ret)
+		return ret;
+
 	pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false);
 	pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true);
 	pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size);

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c

@@ -99,9 +99,6 @@ nvkm_pmu_reset(struct nvkm_pmu *pmu)
 {
 	struct nvkm_device *device = pmu->subdev.device;
 
-	if (!pmu->func->enabled(pmu))
-		return;
-
 	/* Reset. */
 	if (pmu->func->reset)
 		pmu->func->reset(pmu);
@@ -113,14 +110,6 @@ nvkm_pmu_reset(struct nvkm_pmu *pmu)
 	);
 }
 
-static int
-nvkm_pmu_preinit(struct nvkm_subdev *subdev)
-{
-	struct nvkm_pmu *pmu = nvkm_pmu(subdev);
-	nvkm_pmu_reset(pmu);
-	return 0;
-}
-
 static int
 nvkm_pmu_init(struct nvkm_subdev *subdev)
 {
@@ -160,7 +149,6 @@ nvkm_pmu_dtor(struct nvkm_subdev *subdev)
 static const struct nvkm_subdev_func
 nvkm_pmu = {
 	.dtor = nvkm_pmu_dtor,
-	.preinit = nvkm_pmu_preinit,
 	.init = nvkm_pmu_init,
 	.fini = nvkm_pmu_fini,
 	.intr = nvkm_pmu_intr,