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Subject[PATCH] drm: Remove the unused param "struct drm_buddy *mm"
Date
Remove the param "struct drm_buddy *mm" which is unused in
the function drm_block_alloc()/drm_block_free().

Signed-off-by: Cai Huoqing <cai.huoqing@linux.dev>
---
drivers/gpu/drm/drm_buddy.c | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/drm_buddy.c b/drivers/gpu/drm/drm_buddy.c
index 11bb59399471..192c8b99fb43 100644
--- a/drivers/gpu/drm/drm_buddy.c
+++ b/drivers/gpu/drm/drm_buddy.c
@@ -11,10 +11,8 @@

static struct kmem_cache *slab_blocks;

-static struct drm_buddy_block *drm_block_alloc(struct drm_buddy *mm,
- struct drm_buddy_block *parent,
- unsigned int order,
- u64 offset)
+static struct drm_buddy_block *
+drm_block_alloc(struct drm_buddy_block *parent, unsigned int order, u64 offset)
{
struct drm_buddy_block *block;

@@ -32,8 +30,7 @@ static struct drm_buddy_block *drm_block_alloc(struct drm_buddy *mm,
return block;
}

-static void drm_block_free(struct drm_buddy *mm,
- struct drm_buddy_block *block)
+static void drm_block_free(struct drm_buddy_block *block)
{
kmem_cache_free(slab_blocks, block);
}
@@ -131,7 +128,7 @@ int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size)
root_size = rounddown_pow_of_two(size);
order = ilog2(root_size) - ilog2(chunk_size);

- root = drm_block_alloc(mm, NULL, order, offset);
+ root = drm_block_alloc(NULL, order, offset);
if (!root)
goto out_free_roots;

@@ -151,7 +148,7 @@ int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size)

out_free_roots:
while (i--)
- drm_block_free(mm, mm->roots[i]);
+ drm_block_free(mm->roots[i]);
kfree(mm->roots);
out_free_list:
kfree(mm->free_list);
@@ -172,7 +169,7 @@ void drm_buddy_fini(struct drm_buddy *mm)

for (i = 0; i < mm->n_roots; ++i) {
WARN_ON(!drm_buddy_block_is_free(mm->roots[i]));
- drm_block_free(mm, mm->roots[i]);
+ drm_block_free(mm->roots[i]);
}

WARN_ON(mm->avail != mm->size);
@@ -191,14 +188,14 @@ static int split_block(struct drm_buddy *mm,
BUG_ON(!drm_buddy_block_is_free(block));
BUG_ON(!drm_buddy_block_order(block));

- block->left = drm_block_alloc(mm, block, block_order, offset);
+ block->left = drm_block_alloc(block, block_order, offset);
if (!block->left)
return -ENOMEM;

- block->right = drm_block_alloc(mm, block, block_order,
+ block->right = drm_block_alloc(block, block_order,
offset + (mm->chunk_size << block_order));
if (!block->right) {
- drm_block_free(mm, block->left);
+ drm_block_free(block->left);
return -ENOMEM;
}

@@ -257,8 +254,8 @@ static void __drm_buddy_free(struct drm_buddy *mm,

list_del(&buddy->link);

- drm_block_free(mm, block);
- drm_block_free(mm, buddy);
+ drm_block_free(block);
+ drm_block_free(buddy);

block = parent;
}
--
2.25.1
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