drm/nouveau/fb: move comptags mm into nvkm_fb

We're moving towards having a central place to handle comptag allocation,
and as some GPUs don't have a ram submodule (ie. Tegra), we need to move
the mm somewhere else.

It probably never belonged in ram anyways.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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

@@ -44,6 +44,7 @@ struct nvkm_fb {
 	struct nvkm_subdev subdev;
 
 	struct nvkm_ram *ram;
+	struct nvkm_mm tags;
 
 	struct {
 		struct nvkm_fb_tile region[16];
@@ -128,7 +129,6 @@ struct nvkm_ram {
 #define NVKM_RAM_MM_NOMAP  (NVKM_MM_HEAP_ANY + 2)
 #define NVKM_RAM_MM_MIXED  (NVKM_MM_HEAP_ANY + 3)
 	struct nvkm_mm vram;
-	struct nvkm_mm tags;
 	u64 stolen;
 
 	int ranks;

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

@@ -159,6 +159,7 @@ nvkm_fb_dtor(struct nvkm_subdev *subdev)
 	for (i = 0; i < fb->tile.regions; i++)
 		fb->func->tile.fini(fb, i, &fb->tile.region[i]);
 
+	nvkm_mm_fini(&fb->tags);
 	nvkm_ram_del(&fb->ram);
 
 	if (fb->func->dtor)

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

@@ -45,7 +45,7 @@ nv20_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (!(flags & 2)) tile->zcomp = 0x00000000; /* Z16 */
 		else              tile->zcomp = 0x04000000; /* Z24S8 */
 		tile->zcomp |= tile->tag->offset;
@@ -63,7 +63,7 @@ nv20_fb_tile_fini(struct nvkm_fb *fb, int i, struct nvkm_fb_tile *tile)
 	tile->limit = 0;
 	tile->pitch = 0;
 	tile->zcomp = 0;
-	nvkm_mm_free(&fb->ram->tags, &tile->tag);
+	nvkm_mm_free(&fb->tags, &tile->tag);
 }
 
 void

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

@@ -32,7 +32,7 @@ nv25_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (!(flags & 2)) tile->zcomp = 0x00100000; /* Z16 */
 		else              tile->zcomp = 0x00200000; /* Z24S8 */
 		tile->zcomp |= tile->tag->offset;

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

@@ -51,7 +51,7 @@ nv30_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x01000000; /* Z16 */
 		else           tile->zcomp |= 0x02000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);

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

@@ -32,7 +32,7 @@ nv35_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x04000000; /* Z16 */
 		else           tile->zcomp |= 0x08000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);

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

@@ -32,7 +32,7 @@ nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 {
 	u32 tiles = DIV_ROUND_UP(size, 0x40);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x40);
-	if (!nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	if (!nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */
 		else           tile->zcomp |= 0x20000000; /* Z24S8 */
 		tile->zcomp |= ((tile->tag->offset           ) >> 6);

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

@@ -33,7 +33,7 @@ nv40_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
 	u32 tiles = DIV_ROUND_UP(size, 0x80);
 	u32 tags  = round_up(tiles / fb->ram->parts, 0x100);
 	if ( (flags & 2) &&
-	    !nvkm_mm_head(&fb->ram->tags, 0, 1, tags, tags, 1, &tile->tag)) {
+	    !nvkm_mm_head(&fb->tags, 0, 1, tags, tags, 1, &tile->tag)) {
 		tile->zcomp  = 0x28000000; /* Z24S8_SPLIT_GRAD */
 		tile->zcomp |= ((tile->tag->offset           ) >> 8);
 		tile->zcomp |= ((tile->tag->offset + tags - 1) >> 8) << 13;

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

@@ -38,7 +38,6 @@ nvkm_ram_del(struct nvkm_ram **pram)
 	if (ram && !WARN_ON(!ram->func)) {
 		if (ram->func->dtor)
 			*pram = ram->func->dtor(ram);
-		nvkm_mm_fini(&ram->tags);
 		nvkm_mm_fini(&ram->vram);
 		kfree(*pram);
 		*pram = NULL;
@@ -79,8 +78,8 @@ nvkm_ram_ctor(const struct nvkm_ram_func *func, struct nvkm_fb *fb,
 			return ret;
 	}
 
-	if (!nvkm_mm_initialised(&ram->tags)) {
-		ret = nvkm_mm_init(&ram->tags, 0, 0, tags ? ++tags : 0, 1);
+	if (!nvkm_mm_initialised(&fb->tags)) {
+		ret = nvkm_mm_init(&fb->tags, 0, 0, tags ? ++tags : 0, 1);
 		if (ret)
 			return ret;
 

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

@@ -502,7 +502,7 @@ __nv50_ram_put(struct nvkm_ram *ram, struct nvkm_mem *mem)
 		next = node->next;
 		nvkm_mm_free(&ram->vram, &node);
 	}
-	nvkm_mm_free(&ram->tags, &mem->tag);
+	nvkm_mm_free(&ram->fb->tags, &mem->tag);
 }
 
 void
@@ -526,7 +526,7 @@ nv50_ram_get(struct nvkm_ram *ram, u64 size, u32 align, u32 ncmin,
 	     u32 memtype, struct nvkm_mem **pmem)
 {
 	struct nvkm_mm *heap = &ram->vram;
-	struct nvkm_mm *tags = &ram->tags;
+	struct nvkm_mm *tags = &ram->fb->tags;
 	struct nvkm_mm_node **node, *r;
 	struct nvkm_mem *mem;
 	int comp = (memtype & 0x300) >> 8;