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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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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -455,6 +455,7 @@ struct radeon_sa_manager {
uint64_t gpu_addr;
void *cpu_ptr;
uint32_t domain;
uint32_t align;
};
struct radeon_sa_bo;

1
drivers/gpu/drm/radeon/radeon_gart.c
View File

@ -467,6 +467,7 @@ int radeon_vm_manager_init(struct radeon_device *rdev)
size *= 2;
r = radeon_sa_bo_manager_init(rdev, &rdev->vm_manager.sa_manager,
RADEON_GPU_PAGE_ALIGN(size),
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_VRAM);
if (r) {
dev_err(rdev->dev, "failed to allocate vm bo (%dKB)\n",

2
drivers/gpu/drm/radeon/radeon_object.h
View File

@ -174,7 +174,7 @@ static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo)
extern 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);
extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev,
struct radeon_sa_manager *sa_manager);
extern int radeon_sa_bo_manager_start(struct radeon_device *rdev,

1
drivers/gpu/drm/radeon/radeon_ring.c
View File

@ -224,6 +224,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
}
r = radeon_sa_bo_manager_init(rdev, &rdev->ring_tmp_bo,
RADEON_IB_POOL_SIZE*64*1024,
RADEON_GPU_PAGE_SIZE,
RADEON_GEM_DOMAIN_GTT);
if (r) {
return r;

7
drivers/gpu/drm/radeon/radeon_sa.c
View File

@ -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);