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drm/radeon: allow selection of alignment in the sub-allocator

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There are cases where we need more than 4k alignment.  No
functional change with this commit.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher
2013-07-12 15:46:09 -04:00
parent 9cc2e0e9f1
commit 6c4f978b35
5 changed files with 8 additions and 4 deletions
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7
drivers/gpu/drm/radeon/radeon_sa.c
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@@ -49,7 +49,7 @@ static void radeon_sa_bo_try_free(struct radeon_sa_manager *sa_manager);
int radeon_sa_bo_manager_init(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager,
unsigned size, u32 domain)
unsigned size, u32 align, u32 domain)
{
int i, r;
@@ -57,13 +57,14 @@ int radeon_sa_bo_manager_init(struct radeon_device *rdev,
sa_manager->bo = NULL;
sa_manager->size = size;
sa_manager->domain = domain;
sa_manager->align = align;
sa_manager->hole = &sa_manager->olist;
INIT_LIST_HEAD(&sa_manager->olist);
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
INIT_LIST_HEAD(&sa_manager->flist[i]);
}
r = radeon_bo_create(rdev, size, RADEON_GPU_PAGE_SIZE, true,
r = radeon_bo_create(rdev, size, align, true,
domain, NULL, &sa_manager->bo);
if (r) {
dev_err(rdev->dev, "(%d) failed to allocate bo for manager\n", r);
@@ -317,7 +318,7 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
unsigned tries[RADEON_NUM_RINGS];
int i, r;
BUG_ON(align > RADEON_GPU_PAGE_SIZE);
BUG_ON(align > sa_manager->align);
BUG_ON(size > sa_manager->size);
*sa_bo = kmalloc(sizeof(struct radeon_sa_bo), GFP_KERNEL);