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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-20 10:15:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-20 10:15:30 -0700
commit43813f399c72aa22e01a680559c1cb5274bf2140 (patch)
tree933c0e7c445b9c3478b5a0db06a162d0d39f00f2 /drivers/gpu/drm/drm_mm.c
parenta552f0af753eb4b5bbbe9eff205fe874b04c4583 (diff)
parent0b7af262aba912f52bc6ef76f1bc0960b01b8502 (diff)
Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (24 commits) agp/intel: Make intel_i965_mask_memory use dma_addr_t for physical addresses agp: add user mapping support to ATI AGP bridge. drm/i915: enable GEM on PAE. drm/radeon: fix unused variables warning agp: switch AGP to use page array instead of unsigned long array agpgart: detected ALi M???? chipset with M1621 drm/radeon: command stream checker for r3xx-r5xx hardware drm/radeon: Fully initialize LVDS info also when we can't get it from the ROM. radeon: Fix CP byte order on big endian architectures with KMS. agp/uninorth: Handle user memory types. drm/ttm: Add some powerpc cache flush code. radeon: Enable modesetting on non-x86. drm/radeon: Respect AGP cant_use_aperture flag. drm: EDID endianness fixes. drm/radeon: this VRAM vs aperture test is wrong, just remove it. drm/ttm: fix an error path to exit function correctly drm: Apply "Memory fragmentation from lost alignment blocks" ttm: Return -ERESTART when a signal interrupts bo eviction. drm: Remove memory debugging infrastructure. drm/i915: Clear fence register on tiling stride change. ...
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r--drivers/gpu/drm/drm_mm.c48
1 files changed, 7 insertions, 41 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index a912a0ff11c..3e47869d6da 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -187,9 +187,10 @@ static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent,
}
-
-struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *node,
- unsigned long size, unsigned alignment)
+struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *node,
+ unsigned long size,
+ unsigned alignment,
+ int atomic)
{
struct drm_mm_node *align_splitoff = NULL;
@@ -200,7 +201,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *node,
if (tmp) {
align_splitoff =
- drm_mm_split_at_start(node, alignment - tmp, 0);
+ drm_mm_split_at_start(node, alignment - tmp, atomic);
if (unlikely(align_splitoff == NULL))
return NULL;
}
@@ -209,7 +210,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *node,
list_del_init(&node->fl_entry);
node->free = 0;
} else {
- node = drm_mm_split_at_start(node, size, 0);
+ node = drm_mm_split_at_start(node, size, atomic);
}
if (align_splitoff)
@@ -217,42 +218,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *node,
return node;
}
-
-EXPORT_SYMBOL(drm_mm_get_block);
-
-struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
- unsigned long size,
- unsigned alignment)
-{
-
- struct drm_mm_node *align_splitoff = NULL;
- struct drm_mm_node *child;
- unsigned tmp = 0;
-
- if (alignment)
- tmp = parent->start % alignment;
-
- if (tmp) {
- align_splitoff =
- drm_mm_split_at_start(parent, alignment - tmp, 1);
- if (unlikely(align_splitoff == NULL))
- return NULL;
- }
-
- if (parent->size == size) {
- list_del_init(&parent->fl_entry);
- parent->free = 0;
- return parent;
- } else {
- child = drm_mm_split_at_start(parent, size, 1);
- }
-
- if (align_splitoff)
- drm_mm_put_block(align_splitoff);
-
- return child;
-}
-EXPORT_SYMBOL(drm_mm_get_block_atomic);
+EXPORT_SYMBOL(drm_mm_get_block_generic);
/*
* Put a block. Merge with the previous and / or next block if they are free.