xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon: make vm_block_size a module parameter

Browse Source 
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-06-05 23:56:50 -04:00
committed by Alex Deucher
parent c1c4413258
commit 4510fb985d
7 changed files with 35 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/radeon/radeon_vm.c
View File

@@ -59,7 +59,7 @@
*/
static unsigned radeon_vm_num_pdes(struct radeon_device *rdev)
{
return rdev->vm_manager.max_pfn >> RADEON_VM_BLOCK_SIZE;
return rdev->vm_manager.max_pfn >> radeon_vm_block_size;
}
/**
@@ -474,8 +474,10 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
bo_va->valid = false;
list_move(&bo_va->vm_list, head);
soffset = (soffset / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
eoffset = (eoffset / RADEON_GPU_PAGE_SIZE) >> RADEON_VM_BLOCK_SIZE;
soffset = (soffset / RADEON_GPU_PAGE_SIZE) >> radeon_vm_block_size;
eoffset = (eoffset / RADEON_GPU_PAGE_SIZE) >> radeon_vm_block_size;
BUG_ON(eoffset >= radeon_vm_num_pdes(rdev));
if (eoffset > vm->max_pde_used)
vm->max_pde_used = eoffset;
@@ -583,10 +585,9 @@ static uint32_t radeon_vm_page_flags(uint32_t flags)
int radeon_vm_update_page_directory(struct radeon_device *rdev,
struct radeon_vm *vm)
{
static const uint32_t incr = RADEON_VM_PTE_COUNT * 8;
struct radeon_bo *pd = vm->page_directory;
uint64_t pd_addr = radeon_bo_gpu_offset(pd);
uint32_t incr = RADEON_VM_PTE_COUNT * 8;
uint64_t last_pde = ~0, last_pt = ~0;
unsigned count = 0, pt_idx, ndw;
struct radeon_ib ib;
@@ -757,8 +758,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
uint64_t start, uint64_t end,
uint64_t dst, uint32_t flags)
{
static const uint64_t mask = RADEON_VM_PTE_COUNT - 1;
uint64_t mask = RADEON_VM_PTE_COUNT - 1;
uint64_t last_pte = ~0, last_dst = ~0;
unsigned count = 0;
uint64_t addr;
@@ -768,7 +768,7 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
/* walk over the address space and update the page tables */
for (addr = start; addr < end; ) {
uint64_t pt_idx = addr >> RADEON_VM_BLOCK_SIZE;
uint64_t pt_idx = addr >> radeon_vm_block_size;
struct radeon_bo *pt = vm->page_tables[pt_idx].bo;
unsigned nptes;
uint64_t pte;
@@ -873,13 +873,13 @@ int radeon_vm_bo_update(struct radeon_device *rdev,
/* padding, etc. */
ndw = 64;
if (RADEON_VM_BLOCK_SIZE > 11)
if (radeon_vm_block_size > 11)
/* reserve space for one header for every 2k dwords */
ndw += (nptes >> 11) * 4;
else
/* reserve space for one header for
every (1 << BLOCK_SIZE) entries */
ndw += (nptes >> RADEON_VM_BLOCK_SIZE) * 4;
ndw += (nptes >> radeon_vm_block_size) * 4;
/* reserve space for pte addresses */
ndw += nptes * 2;