drm/nouveau/subdev: store full subdev name in struct

Much easier to store this to avoid having to reconstruct a string for a
specific subdev, taking into account whether it's instanced or not.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

17 files changed, 29 insertions, 35 deletions

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
index 3981cb106aae..fd9a3f9a518e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
@@ -21,11 +21,11 @@ void nvkm_falcon_v1_disable(struct nvkm_falcon *);
 void gp102_sec2_flcn_bind_context(struct nvkm_falcon *, struct nvkm_memory *);
 int gp102_sec2_flcn_enable(struct nvkm_falcon *);
 
-#define FLCN_PRINTK(t,f,fmt,a...) do {                                         \
-	if (nvkm_subdev_name[(f)->owner->index] != (f)->name)                  \
-		nvkm_##t((f)->owner, "%s: "fmt"\n", (f)->name, ##a);           \
-	else                                                                   \
-		nvkm_##t((f)->owner, fmt"\n", ##a);                            \
+#define FLCN_PRINTK(t,f,fmt,a...) do {                               \
+	if ((f)->owner->name != (f)->name)                           \
+		nvkm_##t((f)->owner, "%s: "fmt"\n", (f)->name, ##a); \
+	else                                                         \
+		nvkm_##t((f)->owner, fmt"\n", ##a);                  \
 } while(0)
 #define FLCN_DBG(f,fmt,a...) FLCN_PRINTK(debug, (f), fmt, ##a)
 #define FLCN_ERR(f,fmt,a...) FLCN_PRINTK(error, (f), fmt, ##a)
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
index 35b9d797f1f6..beb447ca82e2 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
@@ -7,6 +7,7 @@ struct nvkm_subdev {
 	const struct nvkm_subdev_func *func;
 	struct nvkm_device *device;
 	enum nvkm_devidx index;
+	char name[16];
 	u32 debug;
 	struct list_head head;
 
@@ -23,7 +24,7 @@ struct nvkm_subdev_func {
 	void (*intr)(struct nvkm_subdev *);
 };
 
-extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
+extern const char *nvkm_subdev_type[NVKM_SUBDEV_NR];
 int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *,
 		     int index, struct nvkm_subdev **);
 void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
@@ -38,10 +39,8 @@ void nvkm_subdev_intr(struct nvkm_subdev *);
 /* subdev logging */
 #define nvkm_printk_(s,l,p,f,a...) do {                                        \
 	const struct nvkm_subdev *_subdev = (s);                               \
-	if (CONFIG_NOUVEAU_DEBUG >= (l) && _subdev->debug >= (l)) {            \
-		dev_##p(_subdev->device->dev, "%s: "f,                         \
-			nvkm_subdev_name[_subdev->index], ##a);                \
-	}                                                                      \
+	if (CONFIG_NOUVEAU_DEBUG >= (l) && _subdev->debug >= (l))              \
+		dev_##p(_subdev->device->dev, "%s: "f, _subdev->name, ##a);    \
 } while(0)
 #define nvkm_printk(s,l,p,f,a...) nvkm_printk_((s), NV_DBG_##l, p, f, ##a)
 #define nvkm_fatal(s,f,a...) nvkm_printk((s), FATAL,   crit, f, ##a)
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/engine.c b/drivers/gpu/drm/nouveau/nvkm/core/engine.c
index 8220a0d21628..6016af82b0cc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/engine.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/engine.c
@@ -185,7 +185,7 @@ nvkm_engine_ctor(const struct nvkm_engine_func *func,
 	refcount_set(&engine->use.refcount, 0);
 	mutex_init(&engine->use.mutex);
 
-	if (!nvkm_boolopt(device->cfgopt, nvkm_subdev_name[index], enable)) {
+	if (!nvkm_boolopt(device->cfgopt, engine->subdev.name, enable)) {
 		nvkm_debug(&engine->subdev, "disabled\n");
 		return -ENODEV;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
index 8fc7316cb582..7759e6e56ab4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
@@ -27,7 +27,7 @@
 #include <subdev/mc.h>
 
 const char *
-nvkm_subdev_name[NVKM_SUBDEV_NR] = {
+nvkm_subdev_type[NVKM_SUBDEV_NR] = {
 	[NVKM_SUBDEV_ACR     ] = "acr",
 	[NVKM_SUBDEV_BAR     ] = "bar",
 	[NVKM_SUBDEV_VBIOS   ] = "bios",
@@ -212,11 +212,11 @@ nvkm_subdev_ctor(const struct nvkm_subdev_func *func,
 		 struct nvkm_device *device, int index,
 		 struct nvkm_subdev *subdev)
 {
-	const char *name = nvkm_subdev_name[index];
 	subdev->func = func;
 	subdev->device = device;
 	subdev->index = index;
-	subdev->debug = nvkm_dbgopt(device->dbgopt, name);
+	strscpy(subdev->name, nvkm_subdev_type[index], sizeof(subdev->name));
+	subdev->debug = nvkm_dbgopt(device->dbgopt, subdev->name);
 	list_add_tail(&subdev->head, &device->subdev);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 77211c0d4e68..fa1b6fa6bc74 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -3269,7 +3269,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
 			device->m = NULL;                                      \
 			if (ret != -ENODEV) {                                  \
 				nvdev_error(device, "%s ctor failed, %d\n",    \
-					    nvkm_subdev_name[s], ret);         \
+					    nvkm_subdev_type[(s)], ret);       \
 				goto done;                                     \
 			}                                                      \
 		}                                                              \
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
index d83485385934..407c45e6e305 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.c
@@ -43,7 +43,7 @@ nvkm_fifo_chan_child_fini(struct nvkm_oproxy *base, bool suspend)
 	struct nvkm_engine *engine  = object->oproxy.object->engine;
 	struct nvkm_fifo_chan *chan = object->chan;
 	struct nvkm_fifo_engn *engn = &chan->engn[engine->subdev.index];
-	const char *name = nvkm_subdev_name[engine->subdev.index];
+	const char *name = engine->subdev.name;
 	int ret = 0;
 
 	if (--engn->usecount)
@@ -76,7 +76,7 @@ nvkm_fifo_chan_child_init(struct nvkm_oproxy *base)
 	struct nvkm_engine *engine  = object->oproxy.object->engine;
 	struct nvkm_fifo_chan *chan = object->chan;
 	struct nvkm_fifo_engn *engn = &chan->engn[engine->subdev.index];
-	const char *name = nvkm_subdev_name[engine->subdev.index];
+	const char *name = engine->subdev.name;
 	int ret;
 
 	if (engn->usecount++)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
index af21bc795431..6e9001a25f7d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.c
@@ -181,7 +181,7 @@ gf100_fifo_recover(struct gf100_fifo *fifo, struct nvkm_engine *engine,
 	u32 chid = chan->base.chid;
 
 	nvkm_error(subdev, "%s engine fault on channel %d, recovering...\n",
-		   nvkm_subdev_name[engine->subdev.index], chid);
+		   engine->subdev.name, chid);
 	assert_spin_locked(&fifo->base.lock);
 
 	nvkm_mask(device, 0x003004 + (chid * 0x08), 0x00000001, 0x00000000);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index 5d40aabbe92e..566361c669c4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -491,7 +491,7 @@ gk104_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info)
 	if (ee == NULL) {
 		enum nvkm_devidx engidx = nvkm_top_fault(device, info->engine);
 		if (engidx < NVKM_SUBDEV_NR) {
-			const char *src = nvkm_subdev_name[engidx];
+			const char *src = nvkm_subdev_type[engidx];
 			char *dst = en;
 			do {
 				*dst++ = toupper(*src++);
@@ -919,7 +919,7 @@ gk104_fifo_oneinit(struct nvkm_fifo *base)
 		}
 
 		nvkm_debug(subdev, "engine %2d: runlist %2d pbdma %2d (%s)\n",
-			   engn, runl, pbid, nvkm_subdev_name[engidx]);
+			   engn, runl, pbid, nvkm_subdev_type[engidx]);
 
 		fifo->engine[engn].engine = nvkm_device_engine(device, engidx);
 		fifo->engine[engn].runl = runl;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
index 14e5b70e0255..6fd16790514c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
@@ -312,7 +312,7 @@ tu102_fifo_fault(struct nvkm_fifo *base, struct nvkm_fault_data *info)
 		enum nvkm_devidx engidx = nvkm_top_fault(device, info->engine);
 
 		if (engidx < NVKM_SUBDEV_NR) {
-			const char *src = nvkm_subdev_name[engidx];
+			const char *src = nvkm_subdev_type[engidx];
 			char *dst = en;
 
 			do {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/base.c
index 9b23c1b70ebf..b6f3ca8a5f46 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/base.c
@@ -57,5 +57,5 @@ nvkm_nvdec_new_(const struct nvkm_nvdec_fwif *fwif, struct nvkm_device *device,
 	nvdec->func = fwif->func;
 
 	return nvkm_falcon_ctor(nvdec->func->flcn, &nvdec->engine.subdev,
-				nvkm_subdev_name[index], 0, &nvdec->falcon);
+				nvdec->engine.subdev.name, 0, &nvdec->falcon);
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/base.c
index 484100e15668..e4dbf05078cc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvenc/base.c
@@ -59,5 +59,5 @@ nvkm_nvenc_new_(const struct nvkm_nvenc_fwif *fwif, struct nvkm_device *device,
 	nvenc->func = fwif->func;
 
 	return nvkm_falcon_ctor(nvenc->func->flcn, &nvenc->engine.subdev,
-				nvkm_subdev_name[index], 0, &nvenc->falcon);
+				nvenc->engine.subdev.name, 0, &nvenc->falcon);
 };
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/base.c
index 41318aa0d481..27591b2caf74 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/base.c
@@ -104,7 +104,7 @@ nvkm_sec2_new_(const struct nvkm_sec2_fwif *fwif, struct nvkm_device *device,
 	sec2->func = fwif->func;
 
 	ret = nvkm_falcon_ctor(sec2->func->flcn, &sec2->engine.subdev,
-			       nvkm_subdev_name[index], addr, &sec2->falcon);
+			       sec2->engine.subdev.name, addr, &sec2->falcon);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
index c6a3448180d6..adc7f4aa7e62 100644
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c
@@ -188,7 +188,7 @@ nvkm_falcon_get(struct nvkm_falcon *falcon, const struct nvkm_subdev *user)
 	mutex_lock(&falcon->mutex);
 	if (falcon->user) {
 		nvkm_error(user, "%s falcon already acquired by %s!\n",
-			   falcon->name, nvkm_subdev_name[falcon->user->index]);
+			   falcon->name, falcon->user->name);
 		mutex_unlock(&falcon->mutex);
 		return -EBUSY;
 	}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c
index 5a32df0f9992..7bfcca9ec266 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c
@@ -53,7 +53,5 @@ nvkm_gsp_new_(const struct nvkm_gsp_fwif *fwif, struct nvkm_device *device,
 	if (IS_ERR(fwif))
 		return PTR_ERR(fwif);
 
-	return nvkm_falcon_ctor(fwif->flcn, &gsp->subdev,
-				nvkm_subdev_name[gsp->subdev.index], 0,
-				&gsp->falcon);
+	return nvkm_falcon_ctor(fwif->flcn, &gsp->subdev, gsp->subdev.name, 0, &gsp->falcon);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c
index 0f904486168f..5800cda68e0c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv50.c
@@ -217,8 +217,7 @@ nv50_vmm_flush(struct nvkm_vmm *vmm, int level)
 			if (!(nvkm_rd32(device, 0x100c80) & 0x00000001))
 				break;
 		) < 0)
-			nvkm_error(subdev, "%s mmu invalidate timeout\n",
-				   nvkm_subdev_name[i]);
+			nvkm_error(subdev, "%s mmu invalidate timeout\n", nvkm_subdev_type[i]);
 	}
 	mutex_unlock(&vmm->mmu->mutex);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
index 94253304bb90..63cecef7a113 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c
@@ -180,9 +180,8 @@ nvkm_pmu_ctor(const struct nvkm_pmu_fwif *fwif, struct nvkm_device *device,
 
 	pmu->func = fwif->func;
 
-	ret = nvkm_falcon_ctor(pmu->func->flcn, &pmu->subdev,
-			       nvkm_subdev_name[pmu->subdev.index], 0x10a000,
-			       &pmu->falcon);
+	ret = nvkm_falcon_ctor(pmu->func->flcn, &pmu->subdev, pmu->subdev.name,
+			       0x10a000, &pmu->falcon);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
index 1156634533f9..150109ccea26 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
@@ -97,8 +97,7 @@ gk104_top_oneinit(struct nvkm_top *top)
 		nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
 				   "engine %2d runlist %2d intr %2d "
 				   "reset %2d\n", type, inst,
-			   info->index == NVKM_SUBDEV_NR ? NULL :
-					  nvkm_subdev_name[info->index],
+			   info->index == NVKM_SUBDEV_NR ? NULL : nvkm_subdev_type[info->index],
 			   info->addr, info->fault, info->engine, info->runlist,
 			   info->intr, info->reset);
 		info = NULL;