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: Ben Skeggs <bskeggs@redhat.com>

7 files changed, 101 insertions, 44 deletions

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
index 7b86acc634a0..755942352557 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h
+++ b/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;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/gk104.c
index 8f266a9a34a6..6a9483f65d83 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/gk104.c
+++ b/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;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index aeeca1be9cf0..fc821825a3cf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/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[];
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c
index 78e03ab1608e..29569ac6b47b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110.c
+++ b/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,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c
index 5292c5a9a38c..7771451af50b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk110b.c
+++ b/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,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild
index 9a150d520225..7081d6a9b95f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/Kbuild
+++ b/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
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk110.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk110.c
new file mode 100644
index 000000000000..e318745b8274
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk110.c
@@ -0,0 +1,95 @@
+/*
+ * 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;