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From 2ce85665dd4cfe8db73e3e68411685e2e5bb2e27 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 30 Mar 2020 13:56:55 +1000
Subject: drm/nouveau/nvif: give every mem object a human-readable identifier
Git-commit: e79c9a0ba5e7e0905d191f5d75e5ead50776c64a
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/nouveau/dispnv50/crc.c     |  6 ++---
 drivers/gpu/drm/nouveau/dispnv50/disp.c    |  5 ++--
 drivers/gpu/drm/nouveau/dispnv50/lut.c     |  6 ++---
 drivers/gpu/drm/nouveau/include/nvif/mem.h | 14 ++++++-----
 drivers/gpu/drm/nouveau/nouveau_mem.c      |  8 +++----
 drivers/gpu/drm/nouveau/nvif/mem.c         | 28 ++++++++++++----------
 6 files changed, 36 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/crc.c b/drivers/gpu/drm/nouveau/dispnv50/crc.c
index 5fac476fe130..4a43cca96328 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/crc.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/crc.c
@@ -510,7 +510,7 @@ nv50_crc_ctx_init(struct nv50_head *head, struct nvif_mmu *mmu,
 	struct nv50_core *core = nv50_disp(head->base.base.dev)->core;
 	int ret;
 
-	ret = nvif_mem_init_map(mmu, NVIF_MEM_VRAM, len, &ctx->mem);
+	ret = nvif_mem_ctor_map(mmu, "kmsCrcNtfy", NVIF_MEM_VRAM, len, &ctx->mem);
 	if (ret)
 		return ret;
 
@@ -531,7 +531,7 @@ nv50_crc_ctx_init(struct nv50_head *head, struct nvif_mmu *mmu,
 	return 0;
 
 fail_fini:
-	nvif_mem_fini(&ctx->mem);
+	nvif_mem_dtor(&ctx->mem);
 	return ret;
 }
 
@@ -539,7 +539,7 @@ static inline void
 nv50_crc_ctx_fini(struct nv50_crc_notifier_ctx *ctx)
 {
 	nvif_object_dtor(&ctx->ntfy);
-	nvif_mem_fini(&ctx->mem);
+	nvif_mem_dtor(&ctx->mem);
 }
 
 int nv50_crc_set_source(struct drm_crtc *crtc, const char *source_str)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 0e4ce0059405..767a3d035a37 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -113,7 +113,7 @@ nv50_dmac_destroy(struct nv50_dmac *dmac)
 
 	nv50_chan_destroy(&dmac->base);
 
-	nvif_mem_fini(&dmac->push);
+	nvif_mem_dtor(&dmac->push);
 }
 
 int
@@ -140,7 +140,8 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
 	if (device->info.family == NV_DEVICE_INFO_V0_PASCAL)
 		type |= NVIF_MEM_VRAM;
 
-	ret = nvif_mem_init_map(&cli->mmu, type, 0x1000, &dmac->push);
+	ret = nvif_mem_ctor_map(&cli->mmu, "kmsChanPush", type, 0x1000,
+				&dmac->push);
 	if (ret)
 		return ret;
 
diff --git a/drivers/gpu/drm/nouveau/dispnv50/lut.c b/drivers/gpu/drm/nouveau/dispnv50/lut.c
index 4e95ca5604ab..6b2ad1e6eab9 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/lut.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/lut.c
@@ -60,7 +60,7 @@ nv50_lut_fini(struct nv50_lut *lut)
 {
 	int i;
 	for (i = 0; i < ARRAY_SIZE(lut->mem); i++)
-		nvif_mem_fini(&lut->mem[i]);
+		nvif_mem_dtor(&lut->mem[i]);
 }
 
 int
@@ -70,8 +70,8 @@ nv50_lut_init(struct nv50_disp *disp, struct nvif_mmu *mmu,
 	const u32 size = disp->disp->object.oclass < GF110_DISP ? 257 : 1025;
 	int i;
 	for (i = 0; i < ARRAY_SIZE(lut->mem); i++) {
-		int ret = nvif_mem_init_map(mmu, NVIF_MEM_VRAM, size * 8,
-					    &lut->mem[i]);
+		int ret = nvif_mem_ctor_map(mmu, "kmsLut", NVIF_MEM_VRAM,
+					    size * 8, &lut->mem[i]);
 		if (ret)
 			return ret;
 	}
diff --git a/drivers/gpu/drm/nouveau/include/nvif/mem.h b/drivers/gpu/drm/nouveau/include/nvif/mem.h
index 80ee4ab0f016..9e1071dd56a0 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/mem.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/mem.h
@@ -10,11 +10,13 @@ struct nvif_mem {
 	u64 size;
 };
 
-int nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
-		       u64 size, void *argv, u32 argc, struct nvif_mem *);
-int nvif_mem_init(struct nvif_mmu *mmu, s32 oclass, u8 type, u8 page,
-		  u64 size, void *argv, u32 argc, struct nvif_mem *);
-void nvif_mem_fini(struct nvif_mem *);
+int nvif_mem_ctor_type(struct nvif_mmu *mmu, const char *name, s32 oclass,
+		       int type, u8 page, u64 size, void *argv, u32 argc,
+		       struct nvif_mem *);
+int nvif_mem_ctor(struct nvif_mmu *mmu, const char *name, s32 oclass, u8 type,
+		  u8 page, u64 size, void *argv, u32 argc, struct nvif_mem *);
+void nvif_mem_dtor(struct nvif_mem *);
 
-int nvif_mem_init_map(struct nvif_mmu *, u8 type, u64 size, struct nvif_mem *);
+int nvif_mem_ctor_map(struct nvif_mmu *, const char *name, u8 type, u64 size,
+		      struct nvif_mem *);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index c002f8968507..b1bb542d3115 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -87,7 +87,7 @@ nouveau_mem_fini(struct nouveau_mem *mem)
 	nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[1]);
 	nvif_vmm_put(&mem->cli->drm->client.vmm.vmm, &mem->vma[0]);
 	mutex_lock(&mem->cli->drm->master.lock);
-	nvif_mem_fini(&mem->mem);
+	nvif_mem_dtor(&mem->mem);
 	mutex_unlock(&mem->cli->drm->master.lock);
 }
 
@@ -121,7 +121,7 @@ nouveau_mem_host(struct ttm_mem_reg *reg, struct ttm_dma_tt *tt)
 
 	mutex_lock(&drm->master.lock);
 	cli->base.super = true;
-	ret = nvif_mem_init_type(mmu, cli->mem->oclass, type, PAGE_SHIFT,
+	ret = nvif_mem_ctor_type(mmu, "ttmHostMem", cli->mem->oclass, type, PAGE_SHIFT,
 				 reg->num_pages << PAGE_SHIFT,
 				 &args, sizeof(args), &mem->mem);
 	cli->base.super = super;
@@ -144,7 +144,7 @@ nouveau_mem_vram(struct ttm_mem_reg *reg, bool contig, u8 page)
 	cli->base.super = true;
 	switch (cli->mem->oclass) {
 	case NVIF_CLASS_MEM_GF100:
-		ret = nvif_mem_init_type(mmu, cli->mem->oclass,
+		ret = nvif_mem_ctor_type(mmu, "ttmVram", cli->mem->oclass,
 					 drm->ttm.type_vram, page, size,
 					 &(struct gf100_mem_v0) {
 						.contig = contig,
@@ -152,7 +152,7 @@ nouveau_mem_vram(struct ttm_mem_reg *reg, bool contig, u8 page)
 					 &mem->mem);
 		break;
 	case NVIF_CLASS_MEM_NV50:
-		ret = nvif_mem_init_type(mmu, cli->mem->oclass,
+		ret = nvif_mem_ctor_type(mmu, "ttmVram", cli->mem->oclass,
 					 drm->ttm.type_vram, page, size,
 					 &(struct nv50_mem_v0) {
 						.bankswz = mmu->kind[mem->kind] == 2,
diff --git a/drivers/gpu/drm/nouveau/nvif/mem.c b/drivers/gpu/drm/nouveau/nvif/mem.c
index 5241d89d7c70..0e1b7b4c2e91 100644
--- a/drivers/gpu/drm/nouveau/nvif/mem.c
+++ b/drivers/gpu/drm/nouveau/nvif/mem.c
@@ -25,27 +25,29 @@
 #include <nvif/if000a.h>
 
 int
-nvif_mem_init_map(struct nvif_mmu *mmu, u8 type, u64 size, struct nvif_mem *mem)
+nvif_mem_ctor_map(struct nvif_mmu *mmu, const char *name, u8 type, u64 size,
+		  struct nvif_mem *mem)
 {
-	int ret = nvif_mem_init(mmu, mmu->mem, NVIF_MEM_MAPPABLE | type, 0,
-				size, NULL, 0, mem);
+	int ret = nvif_mem_ctor(mmu, name, mmu->mem, NVIF_MEM_MAPPABLE | type,
+				0, size, NULL, 0, mem);
 	if (ret == 0) {
 		ret = nvif_object_map(&mem->object, NULL, 0);
 		if (ret)
-			nvif_mem_fini(mem);
+			nvif_mem_dtor(mem);
 	}
 	return ret;
 }
 
 void
-nvif_mem_fini(struct nvif_mem *mem)
+nvif_mem_dtor(struct nvif_mem *mem)
 {
 	nvif_object_dtor(&mem->object);
 }
 
 int
-nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
-		   u64 size, void *argv, u32 argc, struct nvif_mem *mem)
+nvif_mem_ctor_type(struct nvif_mmu *mmu, const char *name, s32 oclass,
+		   int type, u8 page, u64 size, void *argv, u32 argc,
+		   struct nvif_mem *mem)
 {
 	struct nvif_mem_v0 *args;
 	u8 stack[128];
@@ -67,8 +69,8 @@ nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
 	args->size = size;
 	memcpy(args->data, argv, argc);
 
-	ret = nvif_object_ctor(&mmu->object, "nvifMem", 0, oclass, args,
-			       sizeof(*args) + argc, &mem->object);
+	ret = nvif_object_ctor(&mmu->object, name ? name : "nvifMem", 0, oclass,
+			       args, sizeof(*args) + argc, &mem->object);
 	if (ret == 0) {
 		mem->type = mmu->type[type].type;
 		mem->page = args->page;
@@ -83,8 +85,8 @@ nvif_mem_init_type(struct nvif_mmu *mmu, s32 oclass, int type, u8 page,
 }
 
 int
-nvif_mem_init(struct nvif_mmu *mmu, s32 oclass, u8 type, u8 page,
-	      u64 size, void *argv, u32 argc, struct nvif_mem *mem)
+nvif_mem_ctor(struct nvif_mmu *mmu, const char *name, s32 oclass, u8 type,
+	      u8 page, u64 size, void *argv, u32 argc, struct nvif_mem *mem)
 {
 	int ret = -EINVAL, i;
 
@@ -92,8 +94,8 @@ nvif_mem_init(struct nvif_mmu *mmu, s32 oclass, u8 type, u8 page,
 
 	for (i = 0; ret && i < mmu->type_nr; i++) {
 		if ((mmu->type[i].type & type) == type) {
-			ret = nvif_mem_init_type(mmu, oclass, i, page, size,
-						 argv, argc, mem);
+			ret = nvif_mem_ctor_type(mmu, name, oclass, i, page,
+						 size, argv, argc, mem);
 		}
 	}
 
-- 
2.29.2