drm/nouveau: use drm_mm in preference to custom code doing the same thing

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

1 files changed, 4 insertions, 20 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index c69719106489..20c54884dcb7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -123,14 +123,6 @@ nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
         return ioptr;
 }
 
-struct mem_block {
-        struct mem_block *next;
-        struct mem_block *prev;
-        uint64_t start;
-        uint64_t size;
-        struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
-};
-
 enum nouveau_flags {
         NV_NFORCE   = 0x10000000,
         NV_NFORCE2  = 0x20000000
@@ -149,7 +141,7 @@ struct nouveau_gpuobj {
         struct list_head list;
 
         struct nouveau_channel *im_channel;
-        struct mem_block *im_pramin;
+        struct drm_mm_node *im_pramin;
         struct nouveau_bo *im_backing;
         uint32_t im_backing_start;
         uint32_t *im_backing_suspend;
@@ -206,7 +198,7 @@ struct nouveau_channel {
 
         /* Notifier memory */
         struct nouveau_bo *notifier_bo;
-        struct mem_block *notifier_heap;
+        struct drm_mm notifier_heap;
 
         /* PFIFO context */
         struct nouveau_gpuobj_ref *ramfc;
@@ -224,7 +216,7 @@ struct nouveau_channel {
 
         /* Objects */
         struct nouveau_gpuobj_ref *ramin; /* Private instmem */
-        struct mem_block          *ramin_heap; /* Private PRAMIN heap */
+        struct drm_mm              ramin_heap; /* Private PRAMIN heap */
         struct nouveau_gpuobj_ref *ramht; /* Hash table */
         struct list_head           ramht_refs; /* Objects referenced by RAMHT */
 
@@ -595,7 +587,7 @@ struct drm_nouveau_private {
         struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
         int vm_vram_pt_nr;
 
-        struct mem_block *ramin_heap;
+        struct drm_mm ramin_heap;
 
         /* context table pointed to be NV_PGRAPH_CHANNEL_CTX_TABLE (0x400780) */
         uint32_t ctx_table_size;
@@ -707,15 +699,7 @@ extern bool nouveau_wait_for_idle(struct drm_device *);
 extern int  nouveau_card_init(struct drm_device *);
 
 /* nouveau_mem.c */
-extern int  nouveau_mem_init_heap(struct mem_block **, uint64_t start,
-                                 uint64_t size);
-extern struct mem_block *nouveau_mem_alloc_block(struct mem_block *,
-                                                 uint64_t size, int align2,
-                                                 struct drm_file *, int tail);
-extern void nouveau_mem_takedown(struct mem_block **heap);
-extern void nouveau_mem_free_block(struct mem_block *);
 extern int  nouveau_mem_detect(struct drm_device *dev);
-extern void nouveau_mem_release(struct drm_file *, struct mem_block *heap);
 extern int  nouveau_mem_init(struct drm_device *);
 extern int  nouveau_mem_init_agp(struct drm_device *);
 extern void nouveau_mem_close(struct drm_device *);