From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 8 May 2018 20:39:47 +1000
Subject: drm/nouveau/fb/gv100: initial support
Git-commit: 3582942c2820a4dfcd64585140bc6e1ad72c1130
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h  |    1 
 drivers/gpu/drm/nouveau/nvkm/engine/device/base.c |    1 
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild     |    1 
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c    |    2 
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c    |   46 ++++++++++++++++++++++
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h     |    2 
 6 files changed, 52 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
@@ -82,6 +82,7 @@ int gm20b_fb_new(struct nvkm_device *, i
 int gp100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
 int gp102_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
 int gp10b_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int gv100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
 
 #include <subdev/bios.h>
 #include <subdev/bios/ramcfg.h>
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2400,6 +2400,7 @@ nv140_chipset = {
 	.bios = nvkm_bios_new,
 	.bus = gf100_bus_new,
 	.devinit = gv100_devinit_new,
+	.fb = gv100_fb_new,
 	.fuse = gm107_fuse_new,
 	.gpio = gk104_gpio_new,
 	.i2c = gm200_i2c_new,
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
@@ -30,6 +30,7 @@ nvkm-y += nvkm/subdev/fb/gm20b.o
 nvkm-y += nvkm/subdev/fb/gp100.o
 nvkm-y += nvkm/subdev/fb/gp102.o
 nvkm-y += nvkm/subdev/fb/gp10b.o
+nvkm-y += nvkm/subdev/fb/gv100.o
 
 nvkm-y += nvkm/subdev/fb/ram.o
 nvkm-y += nvkm/subdev/fb/ramnv04.o
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp100.c
@@ -26,7 +26,7 @@
 
 #include <core/memory.h>
 
-static void
+void
 gp100_fb_init_unkn(struct nvkm_fb *base)
 {
 	struct nvkm_device *device = gf100_fb(base)->base.subdev.device;
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c
@@ -0,0 +1,46 @@
+/*
+ * 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 "gf100.h"
+#include "ram.h"
+
+static int
+gv100_fb_init_page(struct nvkm_fb *fb)
+{
+	return (fb->page == 16) ? 0 : -EINVAL;
+}
+
+static const struct nvkm_fb_func
+gv100_fb = {
+	.dtor = gf100_fb_dtor,
+	.oneinit = gf100_fb_oneinit,
+	.init = gp100_fb_init,
+	.init_page = gv100_fb_init_page,
+	.init_unkn = gp100_fb_init_unkn,
+	.ram_new = gp100_ram_new,
+	.default_bigpage = 16,
+};
+
+int
+gv100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gf100_fb_new_(&gv100_fb, device, index, pfb);
+}
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
@@ -67,4 +67,6 @@ int gf100_fb_oneinit(struct nvkm_fb *);
 int gf100_fb_init_page(struct nvkm_fb *);
 
 int gm200_fb_init_page(struct nvkm_fb *);
+
+void gp100_fb_init_unkn(struct nvkm_fb *);
 #endif