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drm/radeon: add proper support for RADEON_VM_BLOCK_SIZE v2

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This patch makes it possible to decide how many address
bits are spend on the page directory vs the page tables.

v2: remove unintended change

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
2014-05-10 12:17:56 +02:00
committed by Alex Deucher
parent ec3dbbcbd7
commit 1c89d27fb9
7 changed files with 9 additions and 1 deletions
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4
drivers/gpu/drm/radeon/radeon_vm.c
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@ -964,6 +964,8 @@ void radeon_vm_bo_invalidate(struct radeon_device *rdev,
*/
int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
{
const unsigned align = min(RADEON_VM_PTB_ALIGN_SIZE,
RADEON_VM_PTE_COUNT * 8);
unsigned pd_size, pd_entries, pts_size;
int r;
@ -985,7 +987,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm)
return -ENOMEM;
}
r = radeon_bo_create(rdev, pd_size, RADEON_VM_PTB_ALIGN_SIZE, false,
r = radeon_bo_create(rdev, pd_size, align, false,
RADEON_GEM_DOMAIN_VRAM, NULL,
&vm->page_directory);
if (r)