drm/nouveau/ce: convert to new-style nvkm_engine

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

drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h

@@ -2,14 +2,8 @@
 #define __NVKM_CE_H__
 #include <engine/falcon.h>
 
-void gt215_ce_intr(struct nvkm_falcon *, struct nvkm_fifo_chan *);
-
 int gt215_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 int gf100_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
-extern struct nvkm_oclass gk104_ce0_oclass;
-extern struct nvkm_oclass gk104_ce1_oclass;
-extern struct nvkm_oclass gk104_ce2_oclass;
-extern struct nvkm_oclass gm204_ce0_oclass;
-extern struct nvkm_oclass gm204_ce1_oclass;
-extern struct nvkm_oclass gm204_ce2_oclass;
+int gk104_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
+int gm204_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/ce/gf100.c

@@ -21,7 +21,7 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/ce.h>
+#include "priv.h"
 #include "fuc/gf100.fuc3.h"
 
 #include <nvif/class.h>

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

@@ -21,121 +21,47 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/ce.h>
-#include <engine/fifo.h>
+#include "priv.h"
 
 #include <nvif/class.h>
 
-static void
-gk104_ce_intr(struct nvkm_subdev *subdev)
+void
+gk104_ce_intr(struct nvkm_engine *ce)
 {
+	const u32 base = (ce->subdev.index - NVDEV_ENGINE_CE0) * 0x1000;
+	struct nvkm_subdev *subdev = &ce->subdev;
 	struct nvkm_device *device = subdev->device;
-	const int idx = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
-	u32 stat = nvkm_rd32(device, 0x104908 + (idx * 0x1000));
-
+	u32 stat = nvkm_rd32(device, 0x104908 + base);
 	if (stat) {
 		nvkm_warn(subdev, "intr %08x\n", stat);
-		nvkm_wr32(device, 0x104908 + (idx * 0x1000), stat);
+		nvkm_wr32(device, 0x104908 + base, stat);
 	}
 }
 
 static const struct nvkm_engine_func
 gk104_ce = {
+	.intr = gk104_ce_intr,
 	.sclass = {
 		{ -1, -1, KEPLER_DMA_COPY_A },
 		{}
 	}
 };
 
-static int
-gk104_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE0", "ce0", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gk104_ce;
-	nv_subdev(ce)->unit = 0x00000040;
-	nv_subdev(ce)->intr = gk104_ce_intr;
-	return 0;
-}
-
-static int
-gk104_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE1", "ce1", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gk104_ce;
-	nv_subdev(ce)->unit = 0x00000080;
-	nv_subdev(ce)->intr = gk104_ce_intr;
-	return 0;
-}
-
-static int
-gk104_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+int
+gk104_ce_new(struct nvkm_device *device, int index,
+	     struct nvkm_engine **pengine)
 {
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE2", "ce2", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gk104_ce;
-	nv_subdev(ce)->unit = 0x00200000;
-	nv_subdev(ce)->intr = gk104_ce_intr;
-	return 0;
+	if (index == NVDEV_ENGINE_CE0) {
+		return nvkm_engine_new_(&gk104_ce, device, index,
+					0x00000040, true, pengine);
+	} else
+	if (index == NVDEV_ENGINE_CE1) {
+		return nvkm_engine_new_(&gk104_ce, device, index,
+					0x00000080, true, pengine);
+	} else
+	if (index == NVDEV_ENGINE_CE2) {
+		return nvkm_engine_new_(&gk104_ce, device, index,
+					0x00200000, true, pengine);
+	}
+	return -ENODEV;
 }
-
-struct nvkm_oclass
-gk104_ce0_oclass = {
-	.handle = NV_ENGINE(CE0, 0xe0),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk104_ce0_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};
-
-struct nvkm_oclass
-gk104_ce1_oclass = {
-	.handle = NV_ENGINE(CE1, 0xe0),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk104_ce1_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};
-
-struct nvkm_oclass
-gk104_ce2_oclass = {
-	.handle = NV_ENGINE(CE2, 0xe0),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gk104_ce2_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};

drivers/gpu/drm/nouveau/nvkm/engine/ce/gm204.c

@@ -21,121 +21,34 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/ce.h>
-#include <engine/fifo.h>
+#include "priv.h"
 
 #include <nvif/class.h>
 
-static void
-gm204_ce_intr(struct nvkm_subdev *subdev)
-{
-	struct nvkm_device *device = subdev->device;
-	const int idx = nv_subidx(subdev) - NVDEV_ENGINE_CE0;
-	u32 stat = nvkm_rd32(device, 0x104908 + (idx * 0x1000));
-
-	if (stat) {
-		nvkm_warn(subdev, "intr %08x\n", stat);
-		nvkm_wr32(device, 0x104908 + (idx * 0x1000), stat);
-	}
-}
-
 static const struct nvkm_engine_func
 gm204_ce = {
+	.intr = gk104_ce_intr,
 	.sclass = {
 		{ -1, -1, MAXWELL_DMA_COPY_A },
 		{}
 	}
 };
 
-static int
-gm204_ce0_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE0", "ce0", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gm204_ce;
-	nv_subdev(ce)->unit = 0x00000040;
-	nv_subdev(ce)->intr = gm204_ce_intr;
-	return 0;
-}
-
-static int
-gm204_ce1_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
-{
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE1", "ce1", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gm204_ce;
-	nv_subdev(ce)->unit = 0x00000080;
-	nv_subdev(ce)->intr = gm204_ce_intr;
-	return 0;
-}
-
-static int
-gm204_ce2_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-	       struct nvkm_oclass *oclass, void *data, u32 size,
-	       struct nvkm_object **pobject)
+int
+gm204_ce_new(struct nvkm_device *device, int index,
+	     struct nvkm_engine **pengine)
 {
-	struct nvkm_engine *ce;
-	int ret;
-
-	ret = nvkm_engine_create(parent, engine, oclass, true,
-				 "PCE2", "ce2", &ce);
-	*pobject = nv_object(ce);
-	if (ret)
-		return ret;
-
-	ce->func = &gm204_ce;
-	nv_subdev(ce)->unit = 0x00200000;
-	nv_subdev(ce)->intr = gm204_ce_intr;
-	return 0;
+	if (index == NVDEV_ENGINE_CE0) {
+		return nvkm_engine_new_(&gm204_ce, device, index,
+					0x00000040, true, pengine);
+	} else
+	if (index == NVDEV_ENGINE_CE1) {
+		return nvkm_engine_new_(&gm204_ce, device, index,
+					0x00000080, true, pengine);
+	} else
+	if (index == NVDEV_ENGINE_CE2) {
+		return nvkm_engine_new_(&gm204_ce, device, index,
+					0x00200000, true, pengine);
+	}
+	return -ENODEV;
 }
-
-struct nvkm_oclass
-gm204_ce0_oclass = {
-	.handle = NV_ENGINE(CE0, 0x24),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gm204_ce0_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};
-
-struct nvkm_oclass
-gm204_ce1_oclass = {
-	.handle = NV_ENGINE(CE1, 0x24),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gm204_ce1_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};
-
-struct nvkm_oclass
-gm204_ce2_oclass = {
-	.handle = NV_ENGINE(CE2, 0x24),
-	.ofuncs = &(struct nvkm_ofuncs) {
-		.ctor = gm204_ce2_ctor,
-		.dtor = _nvkm_engine_dtor,
-		.init = _nvkm_engine_init,
-		.fini = _nvkm_engine_fini,
-	},
-};

drivers/gpu/drm/nouveau/nvkm/engine/ce/gt215.c

@@ -21,12 +21,12 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/ce.h>
-#include <engine/fifo.h>
+#include "priv.h"
 #include "fuc/gt215.fuc3.h"
 
 #include <core/client.h>
 #include <core/enum.h>
+#include <engine/fifo.h>
 
 #include <nvif/class.h>
 
@@ -43,7 +43,7 @@ gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_fifo_chan *chan)
 {
 	struct nvkm_subdev *subdev = &ce->engine.subdev;
 	struct nvkm_device *device = subdev->device;
-	const u32 base = (nv_subidx(subdev) - NVDEV_ENGINE_CE0) * 0x1000;
+	const u32 base = (subdev->index - NVDEV_ENGINE_CE0) * 0x1000;
 	u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff;
 	u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16;
 	u32 mthd = (addr & 0x07ff) << 2;

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

+#ifndef __NVKM_CE_PRIV_H__
+#define __NVKM_CE_PRIV_H__
+#include <engine/ce.h>
+
+void gt215_ce_intr(struct nvkm_falcon *, struct nvkm_fifo_chan *);
+void gk104_ce_intr(struct nvkm_engine *);
+#endif

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

@@ -1616,9 +1616,9 @@ nve4_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk104_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk104_fifo_new,
@@ -1652,9 +1652,9 @@ nve6_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk104_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk104_fifo_new,
@@ -1688,9 +1688,9 @@ nve7_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk104_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk104_fifo_new,
@@ -1718,7 +1718,7 @@ nvea_chipset = {
 	.pmu = gk20a_pmu_new,
 	.timer = gk20a_timer_new,
 	.volt = gk20a_volt_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[2] = gk104_ce_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk20a_fifo_new,
 //	.gr = gk20a_gr_new,
@@ -1748,9 +1748,9 @@ nvf0_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk110_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk104_fifo_new,
@@ -1784,9 +1784,9 @@ nvf1_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk110_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk104_fifo_new,
@@ -1820,9 +1820,9 @@ nv106_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk110_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk208_fifo_new,
@@ -1855,9 +1855,9 @@ nv108_chipset = {
 	.therm = gf119_therm_new,
 	.timer = nv41_timer_new,
 	.volt = nv40_volt_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[1] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[1] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gk110_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk208_fifo_new,
@@ -1889,8 +1889,8 @@ nv117_chipset = {
 	.pmu = gm107_pmu_new,
 	.therm = gm107_therm_new,
 	.timer = gk20a_timer_new,
-//	.ce[0] = gk104_ce_new,
-//	.ce[2] = gk104_ce2_new,
+	.ce[0] = gk104_ce_new,
+	.ce[2] = gk104_ce_new,
 //	.disp = gm107_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gk208_fifo_new,
@@ -1917,9 +1917,9 @@ nv124_chipset = {
 	.mxm = nv50_mxm_new,
 	.pmu = gm107_pmu_new,
 	.timer = gk20a_timer_new,
-//	.ce[0] = gm204_ce_new,
-//	.ce[1] = gm204_ce_new,
-//	.ce[2] = gm204_ce2_new,
+	.ce[0] = gm204_ce_new,
+	.ce[1] = gm204_ce_new,
+	.ce[2] = gm204_ce_new,
 //	.disp = gm204_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gm204_fifo_new,
@@ -1946,9 +1946,9 @@ nv126_chipset = {
 	.mxm = nv50_mxm_new,
 	.pmu = gm107_pmu_new,
 	.timer = gk20a_timer_new,
-//	.ce[0] = gm204_ce_new,
-//	.ce[1] = gm204_ce_new,
-//	.ce[2] = gm204_ce2_new,
+	.ce[0] = gm204_ce_new,
+	.ce[1] = gm204_ce_new,
+	.ce[2] = gm204_ce_new,
 //	.disp = gm204_disp_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gm204_fifo_new,
@@ -1970,7 +1970,7 @@ nv12b_chipset = {
 	.mmu = gf100_mmu_new,
 	.mmu = gf100_mmu_new,
 	.timer = gk20a_timer_new,
-//	.ce[2] = gm204_ce2_new,
+	.ce[2] = gm204_ce_new,
 //	.dma = gf119_dma_new,
 //	.fifo = gm20b_fifo_new,
 //	.gr = gm20b_gr_new,

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

@@ -33,9 +33,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk104_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk104_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe7:
@@ -44,9 +41,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk104_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk104_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xe6:
@@ -55,9 +49,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk104_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk104_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xea:
@@ -65,7 +56,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  gk20a_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk20a_gr_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = gk104_pm_oclass;
 		break;
 	case 0xf0:
@@ -74,9 +64,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk110_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk110_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0xf1:
@@ -85,9 +72,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk110b_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk110_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		device->oclass[NVDEV_ENGINE_PM     ] = &gk110_pm_oclass;
 		break;
 	case 0x106:
@@ -96,9 +80,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk208_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk110_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		break;
 	case 0x108:
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf110_dmaeng_oclass;
@@ -106,9 +87,6 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gk208_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gk110_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 		break;
 	default:
 		return -EINVAL;

drivers/gpu/drm/nouveau/nvkm/engine/device/gm100.c

@@ -36,11 +36,8 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gm107_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gm107_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gk104_ce0_oclass;
 #if 0
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gk104_ce1_oclass;
 #endif
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gk104_ce2_oclass;
 #if 0
 #endif
 		break;
@@ -56,9 +53,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gm204_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gm204_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gm204_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gm204_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gm204_ce2_oclass;
 #if 0
 #endif
 		break;
@@ -74,9 +68,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gm206_gr_oclass;
 		device->oclass[NVDEV_ENGINE_DISP   ] =  gm204_disp_oclass;
-		device->oclass[NVDEV_ENGINE_CE0    ] = &gm204_ce0_oclass;
-		device->oclass[NVDEV_ENGINE_CE1    ] = &gm204_ce1_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gm204_ce2_oclass;
 #if 0
 #endif
 		break;
@@ -86,7 +77,6 @@ gm100_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  gm20b_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  gf100_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  gm20b_gr_oclass;
-		device->oclass[NVDEV_ENGINE_CE2    ] = &gm204_ce2_oclass;
 		break;
 	default:
 		return -EINVAL;