drm/nouveau/fb: move comptag init out of ram submodule

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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

@@ -100,6 +100,7 @@ static int
 nvkm_fb_oneinit(struct nvkm_subdev *subdev)
 {
 	struct nvkm_fb *fb = nvkm_fb(subdev);
+	u32 tags = 0;
 
 	if (fb->func->ram_new) {
 		int ret = fb->func->ram_new(fb, &fb->ram);
@@ -115,7 +116,16 @@ nvkm_fb_oneinit(struct nvkm_subdev *subdev)
 			return ret;
 	}
 
-	return 0;
+	/* Initialise compression tag allocator.
+	 *
+	 * LTC oneinit() will override this on Fermi and newer.
+	 */
+	if (fb->func->tags) {
+		tags = fb->func->tags(fb);
+		nvkm_debug(subdev, "%d comptags\n", tags);
+	}
+
+	return nvkm_mm_init(&fb->tags, 0, 0, tags, 1);
 }
 
 static int

drivers/gpu/drm/nouveau/nvkm/subdev/fb/g84.c

@@ -27,6 +27,7 @@
 static const struct nv50_fb_func
 g84_fb = {
 	.ram_new = nv50_ram_new,
+	.tags = nv20_fb_tags,
 	.trap = 0x001d07ff,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/gt215.c

@@ -27,6 +27,7 @@
 static const struct nv50_fb_func
 gt215_fb = {
 	.ram_new = gt215_ram_new,
+	.tags = nv20_fb_tags,
 	.trap = 0x000d0fff,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv20.c

@@ -77,8 +77,16 @@ nv20_fb_tile_prog(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	nvkm_wr32(device, 0x100300 + (i * 0x04), tile->zcomp);
 }
 
+u32
+nv20_fb_tags(struct nvkm_fb *fb)
+{
+	const u32 tags = nvkm_rd32(fb->subdev.device, 0x100320);
+	return tags ? tags + 1 : 0;
+}
+
 static const struct nvkm_fb_func
 nv20_fb = {
+	.tags = nv20_fb_tags,
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv20_fb_tile_comp,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv25.c

@@ -44,6 +44,7 @@ nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 
 static const struct nvkm_fb_func
 nv25_fb = {
+	.tags = nv20_fb_tags,
 	.tile.regions = 8,
 	.tile.init = nv20_fb_tile_init,
 	.tile.comp = nv25_fb_tile_comp,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv30.c

@@ -116,6 +116,7 @@ nv30_fb_init(struct nvkm_fb *fb)
 
 static const struct nvkm_fb_func
 nv30_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv30_fb_init,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv35.c

@@ -45,6 +45,7 @@ nv35_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 
 static const struct nvkm_fb_func
 nv35_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv30_fb_init,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c

@@ -45,6 +45,7 @@ nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 
 static const struct nvkm_fb_func
 nv36_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv30_fb_init,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv40.c

@@ -51,6 +51,7 @@ nv40_fb_init(struct nvkm_fb *fb)
 
 static const struct nvkm_fb_func
 nv40_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv40_fb_init,
 	.tile.regions = 8,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv41.c

@@ -45,6 +45,7 @@ nv41_fb_init(struct nvkm_fb *fb)
 
 static const struct nvkm_fb_func
 nv41_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv41_fb_init,
 	.tile.regions = 12,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv47.c

@@ -28,6 +28,7 @@
 
 static const struct nvkm_fb_func
 nv47_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv41_fb_init,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv49.c

@@ -28,6 +28,7 @@
 
 static const struct nvkm_fb_func
 nv49_fb = {
+	.tags = nv20_fb_tags,
 	.init = nv41_fb_init,
 	.tile.regions = 15,
 	.tile.init = nv30_fb_tile_init,

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c

@@ -244,6 +244,15 @@ nv50_fb_init(struct nvkm_fb *base)
 	nvkm_wr32(device, 0x100c90, fb->func->trap);
 }
 
+static u32
+nv50_fb_tags(struct nvkm_fb *base)
+{
+	struct nv50_fb *fb = nv50_fb(base);
+	if (fb->func->tags)
+		return fb->func->tags(&fb->base);
+	return 0;
+}
+
 static void *
 nv50_fb_dtor(struct nvkm_fb *base)
 {
@@ -262,6 +271,7 @@ nv50_fb_dtor(struct nvkm_fb *base)
 static const struct nvkm_fb_func
 nv50_fb_ = {
 	.dtor = nv50_fb_dtor,
+	.tags = nv50_fb_tags,
 	.oneinit = nv50_fb_oneinit,
 	.init = nv50_fb_init,
 	.intr = nv50_fb_intr,
@@ -287,6 +297,7 @@ nv50_fb_new_(const struct nv50_fb_func *func, struct nvkm_device *device,
 static const struct nv50_fb_func
 nv50_fb = {
 	.ram_new = nv50_ram_new,
+	.tags = nv20_fb_tags,
 	.trap = 0x000707ff,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h

@@ -12,6 +12,7 @@ struct nv50_fb {
 
 struct nv50_fb_func {
 	int (*ram_new)(struct nvkm_fb *, struct nvkm_ram **);
+	u32 (*tags)(struct nvkm_fb *);
 	u32 trap;
 };
 

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

@@ -6,6 +6,7 @@ struct nvkm_bios;
 
 struct nvkm_fb_func {
 	void *(*dtor)(struct nvkm_fb *);
+	u32 (*tags)(struct nvkm_fb *);
 	int (*oneinit)(struct nvkm_fb *);
 	void (*init)(struct nvkm_fb *);
 	int (*init_page)(struct nvkm_fb *);
@@ -42,6 +43,7 @@ void nv10_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
 void nv10_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);
 void nv10_fb_tile_prog(struct nvkm_fb *, int, struct nvkm_fb_tile *);
 
+u32 nv20_fb_tags(struct nvkm_fb *);
 void nv20_fb_tile_init(struct nvkm_fb *, int i, u32 addr, u32 size,
 		       u32 pitch, u32 flags, struct nvkm_fb_tile *);
 void nv20_fb_tile_fini(struct nvkm_fb *, int i, struct nvkm_fb_tile *);

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

@@ -46,8 +46,7 @@ nvkm_ram_del(struct nvkm_ram **pram)
 
 int
 nvkm_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
-	      enum nvkm_ram_type type, u64 size, u32 tags,
-	      struct nvkm_ram *ram)
+	      enum nvkm_ram_type type, u64 size, struct nvkm_ram *ram)
 {
 	static const char *name[] = {
 		[NVKM_RAM_TYPE_UNKNOWN] = "of unknown memory type",
@@ -78,23 +77,14 @@ nvkm_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
 			return ret;
 	}
 
-	if (!nvkm_mm_initialised(&fb->tags)) {
-		ret = nvkm_mm_init(&fb->tags, 0, 0, tags ? ++tags : 0, 1);
-		if (ret)
-			return ret;
-
-		nvkm_debug(subdev, "%d compression tags\n", tags);
-	}
-
 	return 0;
 }
 
 int
 nvkm_ram_new_(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
-	      enum nvkm_ram_type type, u64 size, u32 tags,
-	      struct nvkm_ram **pram)
+	      enum nvkm_ram_type type, u64 size, struct nvkm_ram **pram)
 {
 	if (!(*pram = kzalloc(sizeof(**pram), GFP_KERNEL)))
 		return -ENOMEM;
-	return nvkm_ram_ctor(func, fb, type, size, tags, *pram);
+	return nvkm_ram_ctor(func, fb, type, size, *pram);
 }

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

@@ -3,11 +3,9 @@
 #include "priv.h"
 
 int  nvkm_ram_ctor(const struct nvkm_ram_func *, struct nvkm_fb *,
-		   enum nvkm_ram_type, u64 size, u32 tags,
-		   struct nvkm_ram *);
+		   enum nvkm_ram_type, u64 size, struct nvkm_ram *);
 int  nvkm_ram_new_(const struct nvkm_ram_func *, struct nvkm_fb *,
-		   enum nvkm_ram_type, u64 size, u32 tags,
-		   struct nvkm_ram **);
+		   enum nvkm_ram_type, u64 size, struct nvkm_ram **);
 void nvkm_ram_del(struct nvkm_ram **);
 int  nvkm_ram_init(struct nvkm_ram *);
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgf100.c

@@ -604,7 +604,7 @@ gf100_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
 	nvkm_debug(subdev, "Upper: %4lld MiB @ %010llx\n", usize >> 20, ubase);
 	nvkm_debug(subdev, "Total: %4lld MiB\n", total >> 20);
 
-	ret = nvkm_ram_ctor(func, fb, type, total, 0, ram);
+	ret = nvkm_ram_ctor(func, fb, type, total, ram);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/rammcp77.c

@@ -73,7 +73,7 @@ mcp77_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	*pram = &ram->base;
 
 	ret = nvkm_ram_ctor(&mcp77_ram_func, fb, NVKM_RAM_TYPE_STOLEN,
-			    size, 0, &ram->base);
+			    size, &ram->base);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv04.c

@@ -61,5 +61,5 @@ nv04_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	else
 		type = NVKM_RAM_TYPE_SDRAM;
 
-	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, 0, pram);
+	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv10.c

@@ -36,5 +36,5 @@ nv10_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	else
 		type = NVKM_RAM_TYPE_SDRAM;
 
-	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, 0, pram);
+	return nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv1a.c

@@ -44,5 +44,5 @@ nv1a_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	}
 
 	return nvkm_ram_new_(&nv04_ram_func, fb, NVKM_RAM_TYPE_STOLEN,
-			     mib * 1024 * 1024, 0, pram);
+			     mib * 1024 * 1024, pram);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv20.c

@@ -29,7 +29,6 @@ nv20_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	struct nvkm_device *device = fb->subdev.device;
 	u32 pbus1218 =  nvkm_rd32(device, 0x001218);
 	u32     size = (nvkm_rd32(device, 0x10020c) & 0xff000000);
-	u32     tags =  nvkm_rd32(device, 0x100320);
 	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
@@ -40,7 +39,7 @@ nv20_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	case 0x00000300: type = NVKM_RAM_TYPE_GDDR2; break;
 	}
 
-	ret = nvkm_ram_new_(&nv04_ram_func, fb, type, size, tags, pram);
+	ret = nvkm_ram_new_(&nv04_ram_func, fb, type, size, pram);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.c

@@ -187,13 +187,13 @@ nv40_ram_func = {
 
 int
 nv40_ram_new_(struct nvkm_fb *fb, enum nvkm_ram_type type, u64 size,
-	      u32 tags, struct nvkm_ram **pram)
+	      struct nvkm_ram **pram)
 {
 	struct nv40_ram *ram;
 	if (!(ram = kzalloc(sizeof(*ram), GFP_KERNEL)))
 		return -ENOMEM;
 	*pram = &ram->base;
-	return nvkm_ram_ctor(&nv40_ram_func, fb, type, size, tags, &ram->base);
+	return nvkm_ram_ctor(&nv40_ram_func, fb, type, size, &ram->base);
 }
 
 int
@@ -202,7 +202,6 @@ nv40_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	struct nvkm_device *device = fb->subdev.device;
 	u32 pbus1218 = nvkm_rd32(device, 0x001218);
 	u32     size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	u32     tags = nvkm_rd32(device, 0x100320);
 	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
@@ -213,7 +212,7 @@ nv40_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	case 0x00000300: type = NVKM_RAM_TYPE_DDR2 ; break;
 	}
 
-	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	ret = nv40_ram_new_(fb, type, size, pram);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h

@@ -9,6 +9,6 @@ struct nv40_ram {
 	u32 coef;
 };
 
-int nv40_ram_new_(struct nvkm_fb *fb, enum nvkm_ram_type, u64, u32,
+int nv40_ram_new_(struct nvkm_fb *fb, enum nvkm_ram_type, u64,
 		  struct nvkm_ram **);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv41.c

@@ -28,7 +28,6 @@ nv41_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
 	struct nvkm_device *device = fb->subdev.device;
 	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	u32  tags = nvkm_rd32(device, 0x100320);
 	u32 fb474 = nvkm_rd32(device, 0x100474);
 	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
@@ -40,7 +39,7 @@ nv41_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	if (fb474 & 0x00000001)
 		type = NVKM_RAM_TYPE_DDR1;
 
-	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	ret = nv40_ram_new_(fb, type, size, pram);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv44.c

@@ -38,5 +38,5 @@ nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	if (fb474 & 0x00000001)
 		type = NVKM_RAM_TYPE_DDR1;
 
-	return nv40_ram_new_(fb, type, size, 0, pram);
+	return nv40_ram_new_(fb, type, size, pram);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv49.c

@@ -28,7 +28,6 @@ nv49_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 {
 	struct nvkm_device *device = fb->subdev.device;
 	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
-	u32  tags = nvkm_rd32(device, 0x100320);
 	u32 fb914 = nvkm_rd32(device, 0x100914);
 	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
@@ -40,7 +39,7 @@ nv49_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	case 0x00000003: break;
 	}
 
-	ret = nv40_ram_new_(fb, type, size, tags, pram);
+	ret = nv40_ram_new_(fb, type, size, pram);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv4e.c

@@ -29,5 +29,5 @@ nv4e_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
 	struct nvkm_device *device = fb->subdev.device;
 	u32 size = nvkm_rd32(device, 0x10020c) & 0xff000000;
 	return nvkm_ram_new_(&nv04_ram_func, fb, NVKM_RAM_TYPE_UNKNOWN,
-			     size, 0, pram);
+			     size, pram);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c

@@ -639,7 +639,6 @@ nv50_ram_ctor(const struct nvkm_ram_func *func,
 	const u32 rsvd_head = ( 256 * 1024); /* vga memory */
 	const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
 	u64 size = nvkm_rd32(device, 0x10020c);
-	u32 tags = nvkm_rd32(device, 0x100320);
 	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
 	int ret;
 
@@ -660,7 +659,7 @@ nv50_ram_ctor(const struct nvkm_ram_func *func,
 
 	size = (size & 0x000000ff) << 32 | (size & 0xffffff00);
 
-	ret = nvkm_ram_ctor(func, fb, type, size, tags, ram);
+	ret = nvkm_ram_ctor(func, fb, type, size, ram);
 	if (ret)
 		return ret;