drm/nouveau/ce/gv100: initial support

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

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

@@ -180,6 +180,7 @@
 #define MAXWELL_DMA_COPY_A                                           0x0000b0b5
 #define PASCAL_DMA_COPY_A                                            0x0000c0b5
 #define PASCAL_DMA_COPY_B                                            0x0000c1b5
+#define VOLTA_DMA_COPY_A                                             0x0000c3b5
 
 #define FERMI_DECOMPRESS                                             0x000090b8
 

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

@@ -10,4 +10,5 @@ int gm107_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 int gm200_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 int gp100_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 int gp102_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
+int gv100_ce_new(struct nvkm_device *, int, struct nvkm_engine **);
 #endif

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -1141,6 +1141,8 @@ nouveau_bo_move_init(struct nouveau_drm *drm)
 			    struct ttm_mem_reg *, struct ttm_mem_reg *);
 		int (*init)(struct nouveau_channel *, u32 handle);
 	} _methods[] = {
+		{  "COPY", 4, 0xc3b5, nve0_bo_move_copy, nve0_bo_move_init },
+		{  "GRCE", 0, 0xc3b5, nve0_bo_move_copy, nvc0_bo_move_init },
 		{  "COPY", 4, 0xc1b5, nve0_bo_move_copy, nve0_bo_move_init },
 		{  "GRCE", 0, 0xc1b5, nve0_bo_move_copy, nvc0_bo_move_init },
 		{  "COPY", 4, 0xc0b5, nve0_bo_move_copy, nve0_bo_move_init },

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

@@ -5,3 +5,4 @@ nvkm-y += nvkm/engine/ce/gm107.o
 nvkm-y += nvkm/engine/ce/gm200.o
 nvkm-y += nvkm/engine/ce/gp100.o
 nvkm-y += nvkm/engine/ce/gp102.o
+nvkm-y += nvkm/engine/ce/gv100.o

drivers/gpu/drm/nouveau/nvkm/engine/ce/gv100.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2018 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.
+ */
+#include "priv.h"
+
+#include <nvif/class.h>
+
+static const struct nvkm_engine_func
+gv100_ce = {
+	.intr = gp100_ce_intr,
+	.sclass = {
+		{ -1, -1, VOLTA_DMA_COPY_A },
+		{}
+	}
+};
+
+int
+gv100_ce_new(struct nvkm_device *device, int index,
+	     struct nvkm_engine **pengine)
+{
+	return nvkm_engine_new_(&gv100_ce, device, index, true, pengine);
+}

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

@@ -2417,6 +2417,15 @@ nv140_chipset = {
 	.timer = gk20a_timer_new,
 	.top = gk104_top_new,
 	.disp = gv100_disp_new,
+	.ce[0] = gv100_ce_new,
+	.ce[1] = gv100_ce_new,
+	.ce[2] = gv100_ce_new,
+	.ce[3] = gv100_ce_new,
+	.ce[4] = gv100_ce_new,
+	.ce[5] = gv100_ce_new,
+	.ce[6] = gv100_ce_new,
+	.ce[7] = gv100_ce_new,
+	.ce[8] = gv100_ce_new,
 	.dma = gv100_dma_new,
 	.fifo = gv100_fifo_new,
 };