drm/nouveau/fifo/gk104-: simplify definition of channel classes

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

drivers/gpu/drm/nouveau/nvkm/engine/fifo/Kbuild

@@ -31,6 +31,3 @@ nvkm-y += nvkm/engine/fifo/gpfifonv50.o
 nvkm-y += nvkm/engine/fifo/gpfifog84.o
 nvkm-y += nvkm/engine/fifo/gpfifogf100.o
 nvkm-y += nvkm/engine/fifo/gpfifogk104.o
-nvkm-y += nvkm/engine/fifo/gpfifogk110.o
-nvkm-y += nvkm/engine/fifo/gpfifogm200.o
-nvkm-y += nvkm/engine/fifo/gpfifogp100.o

drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c

@@ -215,6 +215,20 @@ nvkm_fifo_uevent(struct nvkm_fifo *fifo)
 	nvkm_event_send(&fifo->uevent, 1, 0, &rep, sizeof(rep));
 }
 
+static int
+nvkm_fifo_class_new_(struct nvkm_device *device,
+		     const struct nvkm_oclass *oclass, void *data, u32 size,
+		     struct nvkm_object **pobject)
+{
+	struct nvkm_fifo *fifo = nvkm_fifo(oclass->engine);
+	return fifo->func->class_new(fifo, oclass, data, size, pobject);
+}
+
+static const struct nvkm_device_oclass
+nvkm_fifo_class_ = {
+	.ctor = nvkm_fifo_class_new_,
+};
+
 static int
 nvkm_fifo_class_new(struct nvkm_device *device,
 		    const struct nvkm_oclass *oclass, void *data, u32 size,
@@ -239,13 +253,9 @@ nvkm_fifo_class_get(struct nvkm_oclass *oclass, int index,
 	int c = 0;
 
 	if (fifo->func->class_get) {
-		int ret = fifo->func->class_get(fifo, index, &sclass);
-		if (ret == 0) {
-			oclass->base = sclass->base;
-			oclass->engn = sclass;
-			*class = &nvkm_fifo_class;
-			return 0;
-		}
+		int ret = fifo->func->class_get(fifo, index, oclass);
+		if (ret == 0)
+			*class = &nvkm_fifo_class_;
 		return ret;
 	}
 

drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h

@@ -19,11 +19,6 @@ struct gk104_fifo_chan {
 	} engn[NVKM_SUBDEV_NR];
 };
 
-int gk104_fifo_gpfifo_new(struct nvkm_fifo *, const struct nvkm_oclass *,
+int gk104_fifo_gpfifo_new(struct gk104_fifo *, const struct nvkm_oclass *,
 			  void *data, u32 size, struct nvkm_object **);
-
-extern const struct nvkm_fifo_chan_oclass gk104_fifo_gpfifo_oclass;
-extern const struct nvkm_fifo_chan_oclass gk110_fifo_gpfifo_oclass;
-extern const struct nvkm_fifo_chan_oclass gm200_fifo_gpfifo_oclass;
-extern const struct nvkm_fifo_chan_oclass gp100_fifo_gpfifo_oclass;
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

@@ -94,16 +94,30 @@ gk104_fifo_engine_status(struct gk104_fifo *fifo, int engn,
 		   status->chan == &status->next ? "*" : " ");
 }
 
+static int
+gk104_fifo_class_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
+		     void *argv, u32 argc, struct nvkm_object **pobject)
+{
+	struct gk104_fifo *fifo = gk104_fifo(base);
+	if (oclass->engn == &fifo->func->chan) {
+		const struct gk104_fifo_chan_user *user = oclass->engn;
+		return user->ctor(fifo, oclass, argv, argc, pobject);
+	}
+	WARN_ON(1);
+	return -EINVAL;
+}
+
 static int
 gk104_fifo_class_get(struct nvkm_fifo *base, int index,
-		     const struct nvkm_fifo_chan_oclass **psclass)
+		     struct nvkm_oclass *oclass)
 {
 	struct gk104_fifo *fifo = gk104_fifo(base);
 	int c = 0;
 
-	while ((*psclass = fifo->func->chan[c])) {
-		if (c++ == index)
-			return 0;
+	if (fifo->func->chan.ctor && c++ == index) {
+		oclass->base =  fifo->func->chan.user;
+		oclass->engn = &fifo->func->chan;
+		return 0;
 	}
 
 	return c;
@@ -950,6 +964,7 @@ gk104_fifo_ = {
 	.uevent_fini = gk104_fifo_uevent_fini,
 	.recover_chan = gk104_fifo_recover_chan,
 	.class_get = gk104_fifo_class_get,
+	.class_new = gk104_fifo_class_new,
 };
 
 int
@@ -1096,10 +1111,7 @@ gk104_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gk104_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h

@@ -51,7 +51,11 @@ struct gk104_fifo_func {
 		const struct nvkm_enum *gpcclient;
 	} fault;
 
-	const struct nvkm_fifo_chan_oclass *chan[];
+	struct gk104_fifo_chan_user {
+		struct nvkm_sclass user;
+		int (*ctor)(struct gk104_fifo *, const struct nvkm_oclass *,
+			    void *, u32, struct nvkm_object **);
+	} chan;
 };
 
 int gk104_fifo_new_(const struct gk104_fifo_func *, struct nvkm_device *,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c

@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gk110_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -31,10 +33,7 @@ gk110_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gk110_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_B}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c

@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gk208_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -31,10 +33,7 @@ gk208_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gk104_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c

@@ -22,6 +22,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gk20a_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -29,10 +31,7 @@ gk20a_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gk104_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c

@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 const struct nvkm_enum
 gm107_fifo_fault_engine[] = {
 	{ 0x01, "DISPLAY" },
@@ -54,10 +56,7 @@ gm107_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gk110_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,KEPLER_CHANNEL_GPFIFO_B}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c

@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gm200_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -31,10 +33,7 @@ gm200_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gm200_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,MAXWELL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c

@@ -22,6 +22,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gm20b_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -29,10 +31,7 @@ gm20b_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gm200_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,MAXWELL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c

@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 const struct nvkm_enum
 gp100_fifo_fault_engine[] = {
 	{ 0x01, "DISPLAY" },
@@ -55,10 +57,7 @@ gp100_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gp100_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,PASCAL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c

@@ -22,6 +22,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <nvif/class.h>
+
 static const struct gk104_fifo_func
 gp10b_fifo = {
 	.fault.access = gk104_fifo_fault_access,
@@ -29,10 +31,7 @@ gp10b_fifo = {
 	.fault.reason = gk104_fifo_fault_reason,
 	.fault.hubclient = gk104_fifo_fault_hubclient,
 	.fault.gpcclient = gk104_fifo_fault_gpcclient,
-	.chan = {
-		&gp100_fifo_gpfifo_oclass,
-		NULL
-	},
+	.chan = {{0,0,PASCAL_CHANNEL_GPFIFO_A}, gk104_fifo_gpfifo_new },
 };
 
 int

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk104.c

@@ -296,14 +296,13 @@ gk104_fifo_gpfifo_new_(struct gk104_fifo *fifo, u64 *runlists, u16 *chid,
 }
 
 int
-gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
+gk104_fifo_gpfifo_new(struct gk104_fifo *fifo, const struct nvkm_oclass *oclass,
 		      void *data, u32 size, struct nvkm_object **pobject)
 {
 	struct nvkm_object *parent = oclass->parent;
 	union {
 		struct kepler_channel_gpfifo_a_v0 v0;
 	} *args = data;
-	struct gk104_fifo *fifo = gk104_fifo(base);
 	int ret = -ENOSYS;
 
 	nvif_ioctl(parent, "create channel gpfifo size %d\n", size);
@@ -324,11 +323,3 @@ gk104_fifo_gpfifo_new(struct nvkm_fifo *base, const struct nvkm_oclass *oclass,
 
 	return ret;
 }
-
-const struct nvkm_fifo_chan_oclass
-gk104_fifo_gpfifo_oclass = {
-	.base.oclass = KEPLER_CHANNEL_GPFIFO_A,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = gk104_fifo_gpfifo_new,
-};

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogk110.c

-/*
- * Copyright 2016 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs
- */
-#include "changk104.h"
-
-#include <nvif/class.h>
-
-const struct nvkm_fifo_chan_oclass
-gk110_fifo_gpfifo_oclass = {
-	.base.oclass = KEPLER_CHANNEL_GPFIFO_B,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = gk104_fifo_gpfifo_new,
-};

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogm200.c

-/*
- * Copyright 2015 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs
- */
-#include "changk104.h"
-
-#include <nvif/class.h>
-
-const struct nvkm_fifo_chan_oclass
-gm200_fifo_gpfifo_oclass = {
-	.base.oclass = MAXWELL_CHANNEL_GPFIFO_A,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = gk104_fifo_gpfifo_new,
-};

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gpfifogp100.c

-/*
- * Copyright 2016 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs
- */
-#include "changk104.h"
-
-#include <nvif/class.h>
-
-const struct nvkm_fifo_chan_oclass
-gp100_fifo_gpfifo_oclass = {
-	.base.oclass = PASCAL_CHANNEL_GPFIFO_A,
-	.base.minver = 0,
-	.base.maxver = 0,
-	.ctor = gk104_fifo_gpfifo_new,
-};

drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h

@@ -28,8 +28,9 @@ struct nvkm_fifo_func {
 	void (*uevent_init)(struct nvkm_fifo *);
 	void (*uevent_fini)(struct nvkm_fifo *);
 	void (*recover_chan)(struct nvkm_fifo *, int chid);
-	int (*class_get)(struct nvkm_fifo *, int index,
-			 const struct nvkm_fifo_chan_oclass **);
+	int (*class_get)(struct nvkm_fifo *, int index, struct nvkm_oclass *);
+	int (*class_new)(struct nvkm_fifo *, const struct nvkm_oclass *,
+			 void *, u32, struct nvkm_object **);
 	const struct nvkm_fifo_chan_oclass *chan[];
 };