drm/nouveau/nvif: give every notify object a human-readable name

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

drivers/gpu/drm/nouveau/dispnv04/crtc.c

@@ -759,7 +759,7 @@ static void nv_crtc_destroy(struct drm_crtc *crtc)
 	nouveau_bo_unmap(nv_crtc->cursor.nvbo);
 	nouveau_bo_unpin(nv_crtc->cursor.nvbo);
 	nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
-	nvif_notify_fini(&nv_crtc->vblank);
+	nvif_notify_dtor(&nv_crtc->vblank);
 	kfree(nv_crtc);
 }
 
@@ -1351,7 +1351,7 @@ nv04_crtc_create(struct drm_device *dev, int crtc_num)
 
 	nv04_cursor_init(nv_crtc);
 
-	ret = nvif_notify_init(&disp->disp.object, nv04_crtc_vblank_handler,
+	ret = nvif_notify_ctor(&disp->disp.object, "kmsVbl", nv04_crtc_vblank_handler,
 			       false, NV04_DISP_NTFY_VBLANK,
 			       &(struct nvif_notify_head_req_v0) {
 				    .head = nv_crtc->index,

drivers/gpu/drm/nouveau/dispnv04/disp.c

@@ -178,7 +178,7 @@ nv04_display_destroy(struct drm_device *dev)
 
 	nouveau_hw_save_vga_fonts(dev, 0);
 
-	nvif_notify_fini(&disp->flip);
+	nvif_notify_dtor(&disp->flip);
 
 	nouveau_display(dev)->priv = NULL;
 	kfree(disp);
@@ -215,7 +215,7 @@ nv04_display_create(struct drm_device *dev)
 
 	/* Request page flip completion event. */
 	if (drm->nvsw.client) {
-		nvif_notify_init(&drm->nvsw, nv04_flip_complete,
+		nvif_notify_ctor(&drm->nvsw, "kmsFlip", nv04_flip_complete,
 				 false, NV04_NVSW_NTFY_UEVENT,
 				 NULL, 0, 0, &disp->flip);
 	}

drivers/gpu/drm/nouveau/dispnv50/base507c.c

@@ -282,8 +282,9 @@ base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
 		return ret;
 	}
 
-	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func,
-			       false, NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
+	ret = nvif_notify_ctor(&wndw->wndw.base.user, "kmsBaseNtfy",
+			       wndw->notify.func, false,
+			       NV50_DISP_BASE_CHANNEL_DMA_V0_NTFY_UEVENT,
 			       &(struct nvif_notify_uevent_req) {},
 			       sizeof(struct nvif_notify_uevent_req),
 			       sizeof(struct nvif_notify_uevent_rep),

drivers/gpu/drm/nouveau/dispnv50/head.c

@@ -489,7 +489,7 @@ nv50_head_destroy(struct drm_crtc *crtc)
 {
 	struct nv50_head *head = nv50_head(crtc);
 
-	nvif_notify_fini(&head->base.vblank);
+	nvif_notify_dtor(&head->base.vblank);
 	nv50_lut_fini(&head->olut);
 	drm_crtc_cleanup(crtc);
 	kfree(head);
@@ -598,7 +598,7 @@ nv50_head_create(struct drm_device *dev, int index)
 		}
 	}
 
-	ret = nvif_notify_init(&disp->disp->object, nv50_head_vblank_handler,
+	ret = nvif_notify_ctor(&disp->disp->object, "kmsVbl", nv50_head_vblank_handler,
 			       false, NV04_DISP_NTFY_VBLANK,
 			       &(struct nvif_notify_head_req_v0) {
 				    .head = nv_crtc->index,

drivers/gpu/drm/nouveau/dispnv50/ovly507e.c

@@ -192,7 +192,8 @@ ovly507e_new_(const struct nv50_wndw_func *func, const u32 *format,
 		return ret;
 	}
 
-	ret = nvif_notify_init(&wndw->wndw.base.user, wndw->notify.func, false,
+	ret = nvif_notify_ctor(&wndw->wndw.base.user, "kmsOvlyNtfy",
+			       wndw->notify.func, false,
 			       NV50_DISP_OVERLAY_CHANNEL_DMA_V0_NTFY_UEVENT,
 			       &(struct nvif_notify_uevent_req) {},
 			       sizeof(struct nvif_notify_uevent_req),

drivers/gpu/drm/nouveau/dispnv50/wndw.c

@@ -609,7 +609,7 @@ nv50_wndw_destroy(struct drm_plane *plane)
 		nv50_wndw_ctxdma_del(ctxdma);
 	}
 
-	nvif_notify_fini(&wndw->notify);
+	nvif_notify_dtor(&wndw->notify);
 	nv50_dmac_destroy(&wndw->wimm);
 	nv50_dmac_destroy(&wndw->wndw);
 

drivers/gpu/drm/nouveau/include/nvif/notify.h

@@ -4,6 +4,7 @@
 
 struct nvif_notify {
 	struct nvif_object *object;
+	const char *name;
 	int index;
 
 #define NVIF_NOTIFY_USER 0
@@ -24,10 +25,10 @@ struct nvif_notify {
 	struct work_struct work;
 };
 
-int  nvif_notify_init(struct nvif_object *, int (*func)(struct nvif_notify *),
-		      bool work, u8 type, void *data, u32 size, u32 reply,
-		      struct nvif_notify *);
-int  nvif_notify_fini(struct nvif_notify *);
+int  nvif_notify_ctor(struct nvif_object *, const char *name,
+		      int (*func)(struct nvif_notify *), bool work, u8 type,
+		      void *data, u32 size, u32 reply, struct nvif_notify *);
+int  nvif_notify_dtor(struct nvif_notify *);
 int  nvif_notify_get(struct nvif_notify *);
 int  nvif_notify_put(struct nvif_notify *);
 int  nvif_notify(const void *, u32, const void *, u32);

drivers/gpu/drm/nouveau/nouveau_chan.c

@@ -105,7 +105,7 @@ nouveau_channel_del(struct nouveau_channel **pchan)
 		nvif_object_dtor(&chan->nvsw);
 		nvif_object_dtor(&chan->gart);
 		nvif_object_dtor(&chan->vram);
-		nvif_notify_fini(&chan->kill);
+		nvif_notify_dtor(&chan->kill);
 		nvif_object_dtor(&chan->user);
 		nvif_object_dtor(&chan->push.ctxdma);
 		nouveau_vma_del(&chan->push.vma);
@@ -366,7 +366,8 @@ nouveau_channel_init(struct nouveau_channel *chan, u32 vram, u32 gart)
 	nvif_object_map(&chan->user, NULL, 0);
 
 	if (chan->user.oclass >= FERMI_CHANNEL_GPFIFO) {
-		ret = nvif_notify_init(&chan->user, nouveau_channel_killed,
+		ret = nvif_notify_ctor(&chan->user, "abi16ChanKilled",
+				       nouveau_channel_killed,
 				       true, NV906F_V0_NTFY_KILLED,
 				       NULL, 0, 0, &chan->kill);
 		if (ret == 0)

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -409,7 +409,7 @@ static void
 nouveau_connector_destroy(struct drm_connector *connector)
 {
 	struct nouveau_connector *nv_connector = nouveau_connector(connector);
-	nvif_notify_fini(&nv_connector->hpd);
+	nvif_notify_dtor(&nv_connector->hpd);
 	kfree(nv_connector->edid);
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
@@ -1450,7 +1450,8 @@ nouveau_connector_create(struct drm_device *dev,
 		break;
 	}
 
-	ret = nvif_notify_init(&disp->disp.object, nouveau_connector_hotplug,
+	ret = nvif_notify_ctor(&disp->disp.object, "kmsHotplug",
+			       nouveau_connector_hotplug,
 			       true, NV04_DISP_NTFY_CONN,
 			       &(struct nvif_notify_conn_req_v0) {
 				.mask = NVIF_NOTIFY_CONN_V0_ANY,

drivers/gpu/drm/nouveau/nouveau_fence.c

@@ -108,7 +108,7 @@ void
 nouveau_fence_context_del(struct nouveau_fence_chan *fctx)
 {
 	nouveau_fence_context_kill(fctx, 0);
-	nvif_notify_fini(&fctx->notify);
+	nvif_notify_dtor(&fctx->notify);
 	fctx->dead = 1;
 
 	/*
@@ -195,7 +195,8 @@ nouveau_fence_context_new(struct nouveau_channel *chan, struct nouveau_fence_cha
 	if (!priv->uevent)
 		return;
 
-	ret = nvif_notify_init(&chan->user, nouveau_fence_wait_uevent_handler,
+	ret = nvif_notify_ctor(&chan->user, "fenceNonStallIntr",
+			       nouveau_fence_wait_uevent_handler,
 			       false, NV826E_V0_NTFY_NON_STALL_INTERRUPT,
 			       &(struct nvif_notify_uevent_req) { },
 			       sizeof(struct nvif_notify_uevent_req),

drivers/gpu/drm/nouveau/nouveau_svm.c

@@ -905,7 +905,7 @@ nouveau_svm_fault_buffer_dtor(struct nouveau_svm *svm, int id)
 
 	nouveau_svm_fault_buffer_fini(svm, id);
 
-	nvif_notify_fini(&buffer->notify);
+	nvif_notify_dtor(&buffer->notify);
 	nvif_object_dtor(&buffer->object);
 }
 
@@ -932,8 +932,8 @@ nouveau_svm_fault_buffer_ctor(struct nouveau_svm *svm, s32 oclass, int id)
 	buffer->getaddr = args.get;
 	buffer->putaddr = args.put;
 
-	ret = nvif_notify_init(&buffer->object, nouveau_svm_fault, true,
-			       NVB069_V0_NTFY_FAULT, NULL, 0, 0,
+	ret = nvif_notify_ctor(&buffer->object, "svmFault", nouveau_svm_fault,
+			       true, NVB069_V0_NTFY_FAULT, NULL, 0, 0,
 			       &buffer->notify);
 	if (ret)
 		return ret;

drivers/gpu/drm/nouveau/nvif/notify.c

@@ -142,7 +142,7 @@ nvif_notify(const void *header, u32 length, const void *data, u32 size)
 }
 
 int
-nvif_notify_fini(struct nvif_notify *notify)
+nvif_notify_dtor(struct nvif_notify *notify)
 {
 	struct nvif_object *object = notify->object;
 	struct {
@@ -162,9 +162,9 @@ nvif_notify_fini(struct nvif_notify *notify)
 }
 
 int
-nvif_notify_init(struct nvif_object *object, int (*func)(struct nvif_notify *),
-		 bool work, u8 event, void *data, u32 size, u32 reply,
-		 struct nvif_notify *notify)
+nvif_notify_ctor(struct nvif_object *object, const char *name,
+		 int (*func)(struct nvif_notify *), bool work, u8 event,
+		 void *data, u32 size, u32 reply, struct nvif_notify *notify)
 {
 	struct {
 		struct nvif_ioctl_v0 ioctl;
@@ -174,6 +174,7 @@ nvif_notify_init(struct nvif_object *object, int (*func)(struct nvif_notify *),
 	int ret = -ENOMEM;
 
 	notify->object = object;
+	notify->name = name ? name : "nvifNotify";
 	notify->flags = 0;
 	atomic_set(&notify->putcnt, 1);
 	notify->func = func;
@@ -204,6 +205,6 @@ nvif_notify_init(struct nvif_object *object, int (*func)(struct nvif_notify *),
 	kfree(args);
 done:
 	if (ret)
-		nvif_notify_fini(notify);
+		nvif_notify_dtor(notify);
 	return ret;
 }