mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
drm: Constify the drm_mm API
Mark up the pointers as constant through the API where appropriate. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161216074718.32500-5-chris@chris-wilson.co.uk
This commit is contained in:
parent
ad579002c8
commit
45b186f111
3 changed files with 26 additions and 27 deletions
|
@ -174,9 +174,9 @@ INTERVAL_TREE_DEFINE(struct drm_mm_node, rb,
|
|||
START, LAST, static inline, drm_mm_interval_tree)
|
||||
|
||||
struct drm_mm_node *
|
||||
__drm_mm_interval_first(struct drm_mm *mm, u64 start, u64 last)
|
||||
__drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last)
|
||||
{
|
||||
return drm_mm_interval_tree_iter_first(&mm->interval_tree,
|
||||
return drm_mm_interval_tree_iter_first((struct rb_root *)&mm->interval_tree,
|
||||
start, last);
|
||||
}
|
||||
EXPORT_SYMBOL(__drm_mm_interval_first);
|
||||
|
@ -881,9 +881,9 @@ EXPORT_SYMBOL(drm_mm_scan_remove_block);
|
|||
* True if the allocator is completely free, false if there's still a node
|
||||
* allocated in it.
|
||||
*/
|
||||
bool drm_mm_clean(struct drm_mm * mm)
|
||||
bool drm_mm_clean(const struct drm_mm *mm)
|
||||
{
|
||||
struct list_head *head = __drm_mm_nodes(mm);
|
||||
const struct list_head *head = __drm_mm_nodes(mm);
|
||||
|
||||
return (head->next->next == head);
|
||||
}
|
||||
|
@ -897,7 +897,7 @@ EXPORT_SYMBOL(drm_mm_clean);
|
|||
*
|
||||
* Note that @mm must be cleared to 0 before calling this function.
|
||||
*/
|
||||
void drm_mm_init(struct drm_mm * mm, u64 start, u64 size)
|
||||
void drm_mm_init(struct drm_mm *mm, u64 start, u64 size)
|
||||
{
|
||||
INIT_LIST_HEAD(&mm->hole_stack);
|
||||
mm->scanned_blocks = 0;
|
||||
|
@ -936,8 +936,8 @@ void drm_mm_takedown(struct drm_mm *mm)
|
|||
}
|
||||
EXPORT_SYMBOL(drm_mm_takedown);
|
||||
|
||||
static u64 drm_mm_debug_hole(struct drm_mm_node *entry,
|
||||
const char *prefix)
|
||||
static u64 drm_mm_debug_hole(const struct drm_mm_node *entry,
|
||||
const char *prefix)
|
||||
{
|
||||
u64 hole_start, hole_end, hole_size;
|
||||
|
||||
|
@ -958,9 +958,9 @@ static u64 drm_mm_debug_hole(struct drm_mm_node *entry,
|
|||
* @mm: drm_mm allocator to dump
|
||||
* @prefix: prefix to use for dumping to dmesg
|
||||
*/
|
||||
void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
|
||||
void drm_mm_debug_table(const struct drm_mm *mm, const char *prefix)
|
||||
{
|
||||
struct drm_mm_node *entry;
|
||||
const struct drm_mm_node *entry;
|
||||
u64 total_used = 0, total_free = 0, total = 0;
|
||||
|
||||
total_free += drm_mm_debug_hole(&mm->head_node, prefix);
|
||||
|
@ -979,7 +979,7 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
|
|||
EXPORT_SYMBOL(drm_mm_debug_table);
|
||||
|
||||
#if defined(CONFIG_DEBUG_FS)
|
||||
static u64 drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
|
||||
static u64 drm_mm_dump_hole(struct seq_file *m, const struct drm_mm_node *entry)
|
||||
{
|
||||
u64 hole_start, hole_end, hole_size;
|
||||
|
||||
|
@ -1000,9 +1000,9 @@ static u64 drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
|
|||
* @m: seq_file to dump to
|
||||
* @mm: drm_mm allocator to dump
|
||||
*/
|
||||
int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
|
||||
int drm_mm_dump_table(struct seq_file *m, const struct drm_mm *mm)
|
||||
{
|
||||
struct drm_mm_node *entry;
|
||||
const struct drm_mm_node *entry;
|
||||
u64 total_used = 0, total_free = 0, total = 0;
|
||||
|
||||
total_free += drm_mm_dump_hole(m, &mm->head_node);
|
||||
|
|
|
@ -2721,7 +2721,7 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
|
|||
dma_unmap_sg(kdev, pages->sgl, pages->nents, PCI_DMA_BIDIRECTIONAL);
|
||||
}
|
||||
|
||||
static void i915_gtt_color_adjust(struct drm_mm_node *node,
|
||||
static void i915_gtt_color_adjust(const struct drm_mm_node *node,
|
||||
unsigned long color,
|
||||
u64 *start,
|
||||
u64 *end)
|
||||
|
|
|
@ -102,7 +102,8 @@ struct drm_mm {
|
|||
u64 scan_end;
|
||||
struct drm_mm_node *prev_scanned_node;
|
||||
|
||||
void (*color_adjust)(struct drm_mm_node *node, unsigned long color,
|
||||
void (*color_adjust)(const struct drm_mm_node *node,
|
||||
unsigned long color,
|
||||
u64 *start, u64 *end);
|
||||
};
|
||||
|
||||
|
@ -116,7 +117,7 @@ struct drm_mm {
|
|||
* Returns:
|
||||
* True if the @node is allocated.
|
||||
*/
|
||||
static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
|
||||
static inline bool drm_mm_node_allocated(const struct drm_mm_node *node)
|
||||
{
|
||||
return node->allocated;
|
||||
}
|
||||
|
@ -131,12 +132,12 @@ static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
|
|||
* Returns:
|
||||
* True if the @mm is initialized.
|
||||
*/
|
||||
static inline bool drm_mm_initialized(struct drm_mm *mm)
|
||||
static inline bool drm_mm_initialized(const struct drm_mm *mm)
|
||||
{
|
||||
return mm->hole_stack.next;
|
||||
}
|
||||
|
||||
static inline u64 __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
static inline u64 __drm_mm_hole_node_start(const struct drm_mm_node *hole_node)
|
||||
{
|
||||
return hole_node->start + hole_node->size;
|
||||
}
|
||||
|
@ -152,13 +153,13 @@ static inline u64 __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
|||
* Returns:
|
||||
* Start of the subsequent hole.
|
||||
*/
|
||||
static inline u64 drm_mm_hole_node_start(struct drm_mm_node *hole_node)
|
||||
static inline u64 drm_mm_hole_node_start(const struct drm_mm_node *hole_node)
|
||||
{
|
||||
BUG_ON(!hole_node->hole_follows);
|
||||
return __drm_mm_hole_node_start(hole_node);
|
||||
}
|
||||
|
||||
static inline u64 __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
static inline u64 __drm_mm_hole_node_end(const struct drm_mm_node *hole_node)
|
||||
{
|
||||
return list_next_entry(hole_node, node_list)->start;
|
||||
}
|
||||
|
@ -174,7 +175,7 @@ static inline u64 __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
|||
* Returns:
|
||||
* End of the subsequent hole.
|
||||
*/
|
||||
static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
|
||||
static inline u64 drm_mm_hole_node_end(const struct drm_mm_node *hole_node)
|
||||
{
|
||||
return __drm_mm_hole_node_end(hole_node);
|
||||
}
|
||||
|
@ -314,14 +315,12 @@ static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
|
|||
|
||||
void drm_mm_remove_node(struct drm_mm_node *node);
|
||||
void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
|
||||
void drm_mm_init(struct drm_mm *mm,
|
||||
u64 start,
|
||||
u64 size);
|
||||
void drm_mm_init(struct drm_mm *mm, u64 start, u64 size);
|
||||
void drm_mm_takedown(struct drm_mm *mm);
|
||||
bool drm_mm_clean(struct drm_mm *mm);
|
||||
bool drm_mm_clean(const struct drm_mm *mm);
|
||||
|
||||
struct drm_mm_node *
|
||||
__drm_mm_interval_first(struct drm_mm *mm, u64 start, u64 last);
|
||||
__drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last);
|
||||
|
||||
/**
|
||||
* drm_mm_for_each_node_in_range - iterator to walk over a range of
|
||||
|
@ -355,9 +354,9 @@ void drm_mm_init_scan_with_range(struct drm_mm *mm,
|
|||
bool drm_mm_scan_add_block(struct drm_mm_node *node);
|
||||
bool drm_mm_scan_remove_block(struct drm_mm_node *node);
|
||||
|
||||
void drm_mm_debug_table(struct drm_mm *mm, const char *prefix);
|
||||
void drm_mm_debug_table(const struct drm_mm *mm, const char *prefix);
|
||||
#ifdef CONFIG_DEBUG_FS
|
||||
int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm);
|
||||
int drm_mm_dump_table(struct seq_file *m, const struct drm_mm *mm);
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in a new issue