3 files changed, 17 insertions, 30 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
index 0c7ef250dcaf..1f185274d3e6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/base.c
@@ -23,26 +23,12 @@
  */
 #include "priv.h"
 
-#include <subdev/fb.h>
-
-int
-nvkm_ltc_tags_alloc(struct nvkm_ltc *ltc, u32 n, struct nvkm_mm_node **pnode)
-{
-	int ret = nvkm_mm_head(&ltc->tags, 0, 1, n, n, 1, pnode);
-	if (ret)
-		*pnode = NULL;
-	return ret;
-}
-
-void
-nvkm_ltc_tags_free(struct nvkm_ltc *ltc, struct nvkm_mm_node **pnode)
-{
-	nvkm_mm_free(&ltc->tags, pnode);
-}
+#include <core/memory.h>
 
 void
-nvkm_ltc_tags_clear(struct nvkm_ltc *ltc, u32 first, u32 count)
+nvkm_ltc_tags_clear(struct nvkm_device *device, u32 first, u32 count)
 {
+	struct nvkm_ltc *ltc = device->ltc;
 	const u32 limit = first + count - 1;
 
 	BUG_ON((first > limit) || (limit >= ltc->num_tags));
@@ -116,10 +102,7 @@ static void *
 nvkm_ltc_dtor(struct nvkm_subdev *subdev)
 {
 	struct nvkm_ltc *ltc = nvkm_ltc(subdev);
-	struct nvkm_ram *ram = ltc->subdev.device->fb->ram;
-	nvkm_mm_fini(&ltc->tags);
-	if (ram)
-		nvkm_mm_free(&ram->vram, &ltc->tag_ram);
+	nvkm_memory_unref(&ltc->tag_ram);
 	return ltc;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c
index 4a0fa0a9b802..a21ef45b8572 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gf100.c
@@ -23,6 +23,7 @@
  */
 #include "priv.h"
 
+#include <core/memory.h>
 #include <subdev/fb.h>
 #include <subdev/timer.h>
 
@@ -152,7 +153,10 @@ gf100_ltc_flush(struct nvkm_ltc *ltc)
 int
 gf100_ltc_oneinit_tag_ram(struct nvkm_ltc *ltc)
 {
-	struct nvkm_ram *ram = ltc->subdev.device->fb->ram;
+	struct nvkm_device *device = ltc->subdev.device;
+	struct nvkm_fb *fb = device->fb;
+	struct nvkm_ram *ram = fb->ram;
+	u32 bits = (nvkm_rd32(device, 0x100c80) & 0x00001000) ? 16 : 17;
 	u32 tag_size, tag_margin, tag_align;
 	int ret;
 
@@ -164,8 +168,8 @@ gf100_ltc_oneinit_tag_ram(struct nvkm_ltc *ltc)
 
 	/* tags for 1/4 of VRAM should be enough (8192/4 per GiB of VRAM) */
 	ltc->num_tags = (ram->size >> 17) / 4;
-	if (ltc->num_tags > (1 << 17))
-		ltc->num_tags = 1 << 17; /* we have 17 bits in PTE */
+	if (ltc->num_tags > (1 << bits))
+		ltc->num_tags = 1 << bits; /* we have 16/17 bits in PTE */
 	ltc->num_tags = (ltc->num_tags + 63) & ~63; /* round up to 64 */
 
 	tag_align = ltc->ltc_nr * 0x800;
@@ -181,14 +185,13 @@ gf100_ltc_oneinit_tag_ram(struct nvkm_ltc *ltc)
 	 */
 	tag_size  = (ltc->num_tags / 64) * 0x6000 + tag_margin;
 	tag_size += tag_align;
-	tag_size  = (tag_size + 0xfff) >> 12; /* round up */
 
-	ret = nvkm_mm_tail(&ram->vram, 1, 1, tag_size, tag_size, 1,
-			   &ltc->tag_ram);
+	ret = nvkm_ram_get(device, NVKM_RAM_MM_NORMAL, 0x01, 12, tag_size,
+			   true, true, &ltc->tag_ram);
 	if (ret) {
 		ltc->num_tags = 0;
 	} else {
-		u64 tag_base = ((u64)ltc->tag_ram->offset << 12) + tag_margin;
+		u64 tag_base = nvkm_memory_addr(ltc->tag_ram) + tag_margin;
 
 		tag_base += tag_align - 1;
 		do_div(tag_base, tag_align);
@@ -197,7 +200,8 @@ gf100_ltc_oneinit_tag_ram(struct nvkm_ltc *ltc)
 	}
 
 mm_init:
-	return nvkm_mm_init(&ltc->tags, 0, ltc->num_tags, 1);
+	nvkm_mm_fini(&fb->tags);
+	return nvkm_mm_init(&fb->tags, 0, 0, ltc->num_tags, 1);
 }
 
 int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c
index 0bdfb2f40266..e34d42108019 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/gp100.c
@@ -45,7 +45,7 @@ gp100_ltc_oneinit(struct nvkm_ltc *ltc)
 	ltc->ltc_nr = nvkm_rd32(device, 0x12006c);
 	ltc->lts_nr = nvkm_rd32(device, 0x17e280) >> 28;
 	/*XXX: tagram allocation - TBD */
-	return nvkm_mm_init(&ltc->tags, 0, 0, 1);
+	return 0;
 }
 
 static void