drm/nouveau/pmu/gk110: implement gr power-up magic like PGOB on earlier chips

Turns out the PTHERM part of this dance is bracketed by the same PMU
fiddling that occurs on GK104/6, let's assume it's also PGOB.
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

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

@@ -35,6 +35,7 @@ extern struct nvkm_oclass *gt215_pmu_oclass;
 extern struct nvkm_oclass *gf100_pmu_oclass;
 extern struct nvkm_oclass *gf110_pmu_oclass;
 extern struct nvkm_oclass *gk104_pmu_oclass;
+extern struct nvkm_oclass *gk110_pmu_oclass;
 extern struct nvkm_oclass *gk208_pmu_oclass;
 extern struct nvkm_oclass *gk20a_pmu_oclass;
 

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

@@ -202,7 +202,7 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &gf100_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
-		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf110_pmu_oclass;
+		device->oclass[NVDEV_SUBDEV_PMU    ] =  gk110_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf110_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  gk104_fifo_oclass;
@@ -236,7 +236,7 @@ gk104_identify(struct nvkm_device *device)
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &gf100_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
-		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf110_pmu_oclass;
+		device->oclass[NVDEV_SUBDEV_PMU    ] =  gk110_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
 		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf110_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  gk104_fifo_oclass;

drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h

@@ -124,11 +124,8 @@ void gf100_gr_dtor(struct nvkm_object *);
 int  gf100_gr_init(struct nvkm_object *);
 void gf100_gr_zbc_init(struct gf100_gr_priv *);
 
-int  gk104_gr_fini(struct nvkm_object *, bool);
 int  gk104_gr_init(struct nvkm_object *);
 
-int  gk110_gr_fini(struct nvkm_object *, bool);
-
 extern struct nvkm_ofuncs gf100_fermi_ofuncs;
 
 extern struct nvkm_oclass gf100_gr_sclass[];

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

@@ -173,43 +173,6 @@ gk110_gr_pack_mmio[] = {
  * PGRAPH engine/subdev functions
  ******************************************************************************/
 
-int
-gk110_gr_fini(struct nvkm_object *object, bool suspend)
-{
-	struct gf100_gr_priv *priv = (void *)object;
-	static const struct {
-		u32 addr;
-		u32 data;
-	} magic[] = {
-		{ 0x020520, 0xfffffffc },
-		{ 0x020524, 0xfffffffe },
-		{ 0x020524, 0xfffffffc },
-		{ 0x020524, 0xfffffff8 },
-		{ 0x020524, 0xffffffe0 },
-		{ 0x020530, 0xfffffffe },
-		{ 0x02052c, 0xfffffffa },
-		{ 0x02052c, 0xfffffff0 },
-		{ 0x02052c, 0xffffffc0 },
-		{ 0x02052c, 0xffffff00 },
-		{ 0x02052c, 0xfffffc00 },
-		{ 0x02052c, 0xfffcfc00 },
-		{ 0x02052c, 0xfff0fc00 },
-		{ 0x02052c, 0xff80fc00 },
-		{ 0x020528, 0xfffffffe },
-		{ 0x020528, 0xfffffffc },
-	};
-	int i;
-
-	nv_mask(priv, 0x000200, 0x08001000, 0x00000000);
-	nv_mask(priv, 0x0206b4, 0x00000000, 0x00000000);
-	for (i = 0; i < ARRAY_SIZE(magic); i++) {
-		nv_wr32(priv, magic[i].addr, magic[i].data);
-		nv_wait(priv, magic[i].addr, 0x80000000, 0x00000000);
-	}
-
-	return nvkm_gr_fini(&priv->base, suspend);
-}
-
 #include "fuc/hubgk110.fuc3.h"
 
 struct gf100_gr_ucode
@@ -237,7 +200,7 @@ gk110_gr_oclass = &(struct gf100_gr_oclass) {
 		.ctor = gf100_gr_ctor,
 		.dtor = gf100_gr_dtor,
 		.init = gk104_gr_init,
-		.fini = gk110_gr_fini,
+		.fini = _nvkm_gr_fini,
 	},
 	.cclass = &gk110_grctx_oclass,
 	.sclass =  gk110_gr_sclass,

drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c

@@ -105,7 +105,7 @@ gk110b_gr_oclass = &(struct gf100_gr_oclass) {
 		.ctor = gf100_gr_ctor,
 		.dtor = gf100_gr_dtor,
 		.init = gk104_gr_init,
-		.fini = gk110_gr_fini,
+		.fini = _nvkm_gr_fini,
 	},
 	.cclass = &gk110b_grctx_oclass,
 	.sclass =  gk110_gr_sclass,

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

@@ -4,5 +4,6 @@ nvkm-y += nvkm/subdev/pmu/gt215.o
 nvkm-y += nvkm/subdev/pmu/gf100.o
 nvkm-y += nvkm/subdev/pmu/gf110.o
 nvkm-y += nvkm/subdev/pmu/gk104.o
+nvkm-y += nvkm/subdev/pmu/gk110.o
 nvkm-y += nvkm/subdev/pmu/gk208.o
 nvkm-y += nvkm/subdev/pmu/gk20a.o

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk110.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
+ */
+#define gf110_pmu_code gk110_pmu_code
+#define gf110_pmu_data gk110_pmu_data
+#include "priv.h"
+#include "fuc/gf110.fuc4.h"
+
+#include <subdev/timer.h>
+
+static void
+gk110_pmu_pgob(struct nvkm_pmu *pmu, bool enable)
+{
+	static const struct {
+		u32 addr;
+		u32 data;
+	} magic[] = {
+		{ 0x020520, 0xfffffffc },
+		{ 0x020524, 0xfffffffe },
+		{ 0x020524, 0xfffffffc },
+		{ 0x020524, 0xfffffff8 },
+		{ 0x020524, 0xffffffe0 },
+		{ 0x020530, 0xfffffffe },
+		{ 0x02052c, 0xfffffffa },
+		{ 0x02052c, 0xfffffff0 },
+		{ 0x02052c, 0xffffffc0 },
+		{ 0x02052c, 0xffffff00 },
+		{ 0x02052c, 0xfffffc00 },
+		{ 0x02052c, 0xfffcfc00 },
+		{ 0x02052c, 0xfff0fc00 },
+		{ 0x02052c, 0xff80fc00 },
+		{ 0x020528, 0xfffffffe },
+		{ 0x020528, 0xfffffffc },
+	};
+	int i;
+
+	nv_mask(pmu, 0x000200, 0x00001000, 0x00000000);
+	nv_rd32(pmu, 0x000200);
+	nv_mask(pmu, 0x000200, 0x08000000, 0x08000000);
+	msleep(50);
+
+	nv_mask(pmu, 0x10a78c, 0x00000002, 0x00000002);
+	nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000001);
+	nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000000);
+
+	nv_mask(pmu, 0x0206b4, 0x00000000, 0x00000000);
+	for (i = 0; i < ARRAY_SIZE(magic); i++) {
+		nv_wr32(pmu, magic[i].addr, magic[i].data);
+		nv_wait(pmu, magic[i].addr, 0x80000000, 0x00000000);
+	}
+
+	nv_mask(pmu, 0x10a78c, 0x00000002, 0x00000000);
+	nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000001);
+	nv_mask(pmu, 0x10a78c, 0x00000001, 0x00000000);
+
+	nv_mask(pmu, 0x000200, 0x08000000, 0x00000000);
+	nv_mask(pmu, 0x000200, 0x00001000, 0x00001000);
+	nv_rd32(pmu, 0x000200);
+}
+
+struct nvkm_oclass *
+gk110_pmu_oclass = &(struct nvkm_pmu_impl) {
+	.base.handle = NV_SUBDEV(PMU, 0xf0),
+	.base.ofuncs = &(struct nvkm_ofuncs) {
+		.ctor = _nvkm_pmu_ctor,
+		.dtor = _nvkm_pmu_dtor,
+		.init = _nvkm_pmu_init,
+		.fini = _nvkm_pmu_fini,
+	},
+	.code.data = gk110_pmu_code,
+	.code.size = sizeof(gk110_pmu_code),
+	.data.data = gk110_pmu_data,
+	.data.size = sizeof(gk110_pmu_data),
+	.pgob = gk110_pmu_pgob,
+}.base;