Displaying 4 results from an estimated 4 matches for "nouveau_mm_tail".
2013 Aug 07
1
[PATCH] drm/nouveau: fix ltcg memory corruptions
...re/core/mm.c
@@ -98,6 +98,8 @@ nouveau_mm_head(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
u32 splitoff;
u32 s, e;
+ BUG_ON(!type);
+
list_for_each_entry(this, &mm->free, fl_entry) {
e = this->offset + this->length;
s = this->offset;
@@ -162,6 +164,8 @@ nouveau_mm_tail(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
struct nouveau_mm_node *prev, *this, *next;
u32 mask = align - 1;
+ BUG_ON(!type);
+
list_for_each_entry_reverse(this, &mm->free, fl_entry) {
u32 e = this->offset + this->length;
u32 s = this->offset;
diff --g...
2013 Aug 12
0
[PATCH] drm/nouveau: fix ltcg allocating memory as free
...re/core/mm.c
@@ -98,6 +98,8 @@ nouveau_mm_head(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
u32 splitoff;
u32 s, e;
+ BUG_ON(!type);
+
list_for_each_entry(this, &mm->free, fl_entry) {
e = this->offset + this->length;
s = this->offset;
@@ -162,6 +164,8 @@ nouveau_mm_tail(struct nouveau_mm *mm, u8 type, u32 size_max, u32 size_min,
struct nouveau_mm_node *prev, *this, *next;
u32 mask = align - 1;
+ BUG_ON(!type);
+
list_for_each_entry_reverse(this, &mm->free, fl_entry) {
u32 e = this->offset + this->length;
u32 s = this->offset;
diff --g...
2013 Jan 09
0
[PATCH] drm/nvc0/fb: fix crash when different mutex is used to protect same list
...+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c
@@ -145,14 +145,14 @@ nvc0_fb_vram_new(struct nouveau_fb *pfb, u64 size, u32 align, u32 ncmin,
mem->memtype = type;
mem->size = size;
- mutex_lock(&mm->mutex);
+ mutex_lock(&pfb->base.mutex);
do {
if (back)
ret = nouveau_mm_tail(mm, 1, size, ncmin, align, &r);
else
ret = nouveau_mm_head(mm, 1, size, ncmin, align, &r);
if (ret) {
- mutex_unlock(&mm->mutex);
+ mutex_unlock(&pfb->base.mutex);
pfb->ram.put(pfb, &mem);
return ret;
}
@@ -160,7 +160,7 @@ nvc0_fb_vram_new(struc...
2013 Mar 27
3
[PATCH 1/4] drm/nvc0: implement VRAM compression
...pression only works with lpages */
+ if (align == (1 << (17 - 12))) {
+ int n = size >> 5;
+ ltcg->tags_alloc(ltcg, n, &mem->tag);
+ }
+ if (unlikely(!mem->tag))
+ type = nvc0_pte_storage_type_map[type];
+ }
+ mem->memtype = type;
+
do {
if (back)
ret = nouveau_mm_tail(mm, 1, size, ncmin, align, &r);
@@ -168,6 +162,17 @@ nvc0_fb_vram_new(struct nouveau_fb *pfb, u64 size, u32 align, u32 ncmin,
return 0;
}
+static void
+nvc0_fb_vram_del(struct nouveau_fb *pfb, struct nouveau_mem **pmem)
+{
+ struct nouveau_ltcg *ltcg = nouveau_ltcg(pfb->base.base.parent...