drm/nouveau/disp: implement nvif event sources for vblank/connector notifiers

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

drivers/gpu/drm/nouveau/core/engine/disp/base.c

@@ -24,6 +24,7 @@
 
 #include <core/os.h>
 #include <nvif/unpack.h>
+#include <nvif/class.h>
 #include <nvif/event.h>
 
 #include "priv.h"
@@ -92,6 +93,24 @@ nouveau_disp_hpd_func = {
 	.ctor = nouveau_disp_hpd_ctor
 };
 
+int
+nouveau_disp_ntfy(struct nouveau_object *object, u32 type,
+		  struct nvkm_event **event)
+{
+	struct nouveau_disp *disp = (void *)object->engine;
+	switch (type) {
+	case NV04_DISP_NTFY_VBLANK:
+		*event = &disp->vblank;
+		return 0;
+	case NV04_DISP_NTFY_CONN:
+		*event = &disp->hpd;
+		return 0;
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
 int
 _nouveau_disp_fini(struct nouveau_object *object, bool suspend)
 {

drivers/gpu/drm/nouveau/core/engine/disp/nv04.c

@@ -112,6 +112,7 @@ nv04_disp_ofuncs = {
 	.init = nouveau_object_init,
 	.fini = nouveau_object_fini,
 	.mthd = nv04_disp_mthd,
+	.ntfy = nouveau_disp_ntfy,
 };
 
 static struct nouveau_oclass

drivers/gpu/drm/nouveau/core/engine/disp/nv50.c

@@ -1142,6 +1142,7 @@ nv50_disp_base_ofuncs = {
 	.init = nv50_disp_base_init,
 	.fini = nv50_disp_base_fini,
 	.mthd = nv50_disp_base_mthd,
+	.ntfy = nouveau_disp_ntfy,
 };
 
 static struct nouveau_oclass

drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c

@@ -716,6 +716,7 @@ nvd0_disp_base_ofuncs = {
 	.init = nvd0_disp_base_init,
 	.fini = nvd0_disp_base_fini,
 	.mthd = nv50_disp_base_mthd,
+	.ntfy = nouveau_disp_ntfy,
 };
 
 static struct nouveau_oclass

drivers/gpu/drm/nouveau/core/engine/disp/priv.h

@@ -42,5 +42,6 @@ extern struct nouveau_oclass *nvkm_connector_oclass;
 
 int  nouveau_disp_vblank_ctor(void *data, u32 size, struct nvkm_notify *);
 void nouveau_disp_vblank(struct nouveau_disp *, int head);
+int  nouveau_disp_ntfy(struct nouveau_object *, u32, struct nvkm_event **);
 
 #endif

drivers/gpu/drm/nouveau/nouveau_connector.c

@@ -100,7 +100,7 @@ static void
 nouveau_connector_destroy(struct drm_connector *connector)
 {
 	struct nouveau_connector *nv_connector = nouveau_connector(connector);
-	nvkm_notify_fini(&nv_connector->hpd);
+	nvif_notify_fini(&nv_connector->hpd);
 	kfree(nv_connector->edid);
 	drm_connector_unregister(connector);
 	drm_connector_cleanup(connector);
@@ -937,7 +937,7 @@ nouveau_connector_funcs_dp = {
 };
 
 static int
-nouveau_connector_hotplug(struct nvkm_notify *notify)
+nouveau_connector_hotplug(struct nvif_notify *notify)
 {
 	struct nouveau_connector *nv_connector =
 		container_of(notify, typeof(*nv_connector), hpd);
@@ -959,7 +959,7 @@ nouveau_connector_hotplug(struct nvkm_notify *notify)
 		drm_helper_hpd_irq_event(connector->dev);
 	}
 
-	return NVKM_NOTIFY_KEEP;
+	return NVIF_NOTIFY_KEEP;
 }
 
 static ssize_t
@@ -1029,7 +1029,6 @@ nouveau_connector_create(struct drm_device *dev, int index)
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_display *disp = nouveau_display(dev);
 	struct nouveau_connector *nv_connector = NULL;
-	struct nouveau_disp *pdisp = nvkm_disp(&drm->device);
 	struct drm_connector *connector;
 	int type, ret = 0;
 	bool dummy;
@@ -1215,7 +1214,8 @@ nouveau_connector_create(struct drm_device *dev, int index)
 		break;
 	}
 
-	ret = nvkm_notify_init(&pdisp->hpd, nouveau_connector_hotplug, true,
+	ret = nvif_notify_init(&disp->disp, NULL, nouveau_connector_hotplug,
+				true, NV04_DISP_NTFY_CONN,
 			       &(struct nvif_notify_conn_req_v0) {
 				.mask = NVIF_NOTIFY_CONN_V0_ANY,
 				.conn = index,

drivers/gpu/drm/nouveau/nouveau_connector.h

@@ -27,6 +27,8 @@
 #ifndef __NOUVEAU_CONNECTOR_H__
 #define __NOUVEAU_CONNECTOR_H__
 
+#include <nvif/notify.h>
+
 #include <drm/drm_edid.h>
 #include <drm/drm_dp_helper.h>
 #include "nouveau_crtc.h"
@@ -63,7 +65,7 @@ struct nouveau_connector {
 	u8 index;
 	u8 *dcb;
 
-	struct nvkm_notify hpd;
+	struct nvif_notify hpd;
 
 	struct drm_dp_aux aux;
 

drivers/gpu/drm/nouveau/nouveau_crtc.h

@@ -27,11 +27,13 @@
 #ifndef __NOUVEAU_CRTC_H__
 #define __NOUVEAU_CRTC_H__
 
+#include <nvif/notify.h>
+
 struct nouveau_crtc {
 	struct drm_crtc base;
 
 	int index;
-	struct nvkm_notify vblank;
+	struct nvif_notify vblank;
 
 	uint32_t dpms_saved_fp_control;
 	uint32_t fp_users;

drivers/gpu/drm/nouveau/nouveau_display.c

@@ -42,12 +42,12 @@
 #include <nvif/event.h>
 
 static int
-nouveau_display_vblank_handler(struct nvkm_notify *notify)
+nouveau_display_vblank_handler(struct nvif_notify *notify)
 {
 	struct nouveau_crtc *nv_crtc =
 		container_of(notify, typeof(*nv_crtc), vblank);
 	drm_handle_vblank(nv_crtc->base.dev, nv_crtc->index);
-	return NVKM_NOTIFY_KEEP;
+	return NVIF_NOTIFY_KEEP;
 }
 
 int
@@ -57,7 +57,7 @@ nouveau_display_vblank_enable(struct drm_device *dev, int head)
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 		if (nv_crtc->index == head) {
-			nvkm_notify_get(&nv_crtc->vblank);
+			nvif_notify_get(&nv_crtc->vblank);
 			return 0;
 		}
 	}
@@ -71,7 +71,7 @@ nouveau_display_vblank_disable(struct drm_device *dev, int head)
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 		if (nv_crtc->index == head) {
-			nvkm_notify_put(&nv_crtc->vblank);
+			nvif_notify_put(&nv_crtc->vblank);
 			return;
 		}
 	}
@@ -172,22 +172,22 @@ nouveau_display_vblank_fini(struct drm_device *dev)
 
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-		nvkm_notify_fini(&nv_crtc->vblank);
+		nvif_notify_fini(&nv_crtc->vblank);
 	}
 }
 
 static int
 nouveau_display_vblank_init(struct drm_device *dev)
 {
-	struct nouveau_drm *drm = nouveau_drm(dev);
-	struct nouveau_disp *pdisp = nvkm_disp(&drm->device);
+	struct nouveau_display *disp = nouveau_display(dev);
 	struct drm_crtc *crtc;
 	int ret;
 
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-		ret = nvkm_notify_init(&pdisp->vblank,
+		ret = nvif_notify_init(&disp->disp, NULL,
 				       nouveau_display_vblank_handler, false,
+				       NV04_DISP_NTFY_VBLANK,
 				       &(struct nvif_notify_head_req_v0) {
 					.head = nv_crtc->index,
 				       },
@@ -371,7 +371,7 @@ nouveau_display_init(struct drm_device *dev)
 	/* enable hotplug interrupts */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct nouveau_connector *conn = nouveau_connector(connector);
-		nvkm_notify_get(&conn->hpd);
+		nvif_notify_get(&conn->hpd);
 	}
 
 	return ret;
@@ -391,7 +391,7 @@ nouveau_display_fini(struct drm_device *dev)
 	/* disable hotplug interrupts */
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		struct nouveau_connector *conn = nouveau_connector(connector);
-		nvkm_notify_put(&conn->hpd);
+		nvif_notify_put(&conn->hpd);
 	}
 
 	drm_kms_helper_poll_disable(dev);

drivers/gpu/drm/nouveau/nvif/class.h

@@ -343,6 +343,9 @@ struct kepler_channel_gpfifo_a_v0 {
  * legacy display
  ******************************************************************************/
 
+#define NV04_DISP_NTFY_VBLANK                                              0x00
+#define NV04_DISP_NTFY_CONN                                                0x01
+
 struct nv04_disp_mthd_v0 {
 	__u8  version;
 #define NV04_DISP_SCANOUTPOS                                               0x00
@@ -365,7 +368,6 @@ struct nv04_disp_scanoutpos_v0 {
 	__u16 hline;
 };
 
-
 /*******************************************************************************
  * display
  ******************************************************************************/

drivers/gpu/drm/nouveau/nvif/device.h

@@ -54,13 +54,11 @@ void nvif_device_ref(struct nvif_device *, struct nvif_device **);
 
 #include <engine/device.h>
 #include <engine/fifo.h>
-#include <engine/disp.h>
 #include <engine/graph.h>
 #include <engine/software.h>
 
 #define nvkm_fifo(a) nouveau_fifo(nvkm_device(a))
 #define nvkm_fifo_chan(a) ((struct nouveau_fifo_chan *)nvkm_object(a))
-#define nvkm_disp(a) nouveau_disp(nvkm_device(a))
 #define nvkm_gr(a) ((struct nouveau_graph *)nouveau_engine(nvkm_object(a), NVDEV_ENGINE_GR))
 
 #endif