drm/nouveau/fb/ga10[024]: initial support

No VPR scrub.  GA102 and GA104 have a new VRAM size detection method.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h

@@ -86,6 +86,8 @@ 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 **);
+int ga100_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
+int ga102_fb_new(struct nvkm_device *, int, struct nvkm_fb **);
 
 #include <subdev/bios.h>
 #include <subdev/bios/ramcfg.h>

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

@@ -2657,6 +2657,7 @@ nv170_chipset = {
 	.name = "GA100",
 	.bios = nvkm_bios_new,
 	.devinit = ga100_devinit_new,
+	.fb = ga100_fb_new,
 	.ibus = gm200_ibus_new,
 	.imem = nv50_instmem_new,
 	.mc = ga100_mc_new,
@@ -2668,6 +2669,7 @@ nv172_chipset = {
 	.name = "GA102",
 	.bios = nvkm_bios_new,
 	.devinit = ga100_devinit_new,
+	.fb = ga102_fb_new,
 	.ibus = gm200_ibus_new,
 	.imem = nv50_instmem_new,
 	.mc = ga100_mc_new,
@@ -2679,6 +2681,7 @@ nv174_chipset = {
 	.name = "GA104",
 	.bios = nvkm_bios_new,
 	.devinit = ga100_devinit_new,
+	.fb = ga102_fb_new,
 	.ibus = gm200_ibus_new,
 	.imem = nv50_instmem_new,
 	.mc = ga100_mc_new,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild

@@ -32,6 +32,8 @@ 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/ga100.o
+nvkm-y += nvkm/subdev/fb/ga102.o
 
 nvkm-y += nvkm/subdev/fb/ram.o
 nvkm-y += nvkm/subdev/fb/ramnv04.o
@@ -52,6 +54,7 @@ nvkm-y += nvkm/subdev/fb/ramgk104.o
 nvkm-y += nvkm/subdev/fb/ramgm107.o
 nvkm-y += nvkm/subdev/fb/ramgm200.o
 nvkm-y += nvkm/subdev/fb/ramgp100.o
+nvkm-y += nvkm/subdev/fb/ramga102.o
 nvkm-y += nvkm/subdev/fb/sddr2.o
 nvkm-y += nvkm/subdev/fb/sddr3.o
 nvkm-y += nvkm/subdev/fb/gddr3.o

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga100.c

+/*
+ * Copyright 2021 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 const struct nvkm_fb_func
+ga100_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
+ga100_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gp102_fb_new_(&ga100_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga102.c

+/*
+ * Copyright 2021 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 const struct nvkm_fb_func
+ga102_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 = ga102_ram_new,
+	.default_bigpage = 16,
+};
+
+int
+ga102_fb_new(struct nvkm_device *device, int index, struct nvkm_fb **pfb)
+{
+	return gp102_fb_new_(&ga102_fb, device, index, pfb);
+}

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c

@@ -22,7 +22,7 @@
 #include "gf100.h"
 #include "ram.h"
 
-static int
+int
 gv100_fb_init_page(struct nvkm_fb *fb)
 {
 	return (fb->page == 16) ? 0 : -EINVAL;

drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h

@@ -82,4 +82,6 @@ int gp102_fb_new_(const struct nvkm_fb_func *, struct nvkm_device *, int,
 		  struct nvkm_fb **);
 bool gp102_fb_vpr_scrub_required(struct nvkm_fb *);
 int gp102_fb_vpr_scrub(struct nvkm_fb *);
+
+int gv100_fb_init_page(struct nvkm_fb *);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h

@@ -70,4 +70,5 @@ int gk104_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gm107_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gm200_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gp100_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int ga102_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c

+/*
+ * Copyright 2021 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 "ram.h"
+
+#include <subdev/bios.h>
+#include <subdev/bios/init.h>
+#include <subdev/bios/rammap.h>
+
+static const struct nvkm_ram_func
+ga102_ram = {
+};
+
+int
+ga102_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	enum nvkm_ram_type type = nvkm_fb_bios_memtype(device->bios);
+	u32 size = nvkm_rd32(device, 0x1183a4);
+
+	return nvkm_ram_new_(&ga102_ram, fb, type, (u64)size << 20, pram);
+}