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| author | Christian König <christian.koenig@amd.com> | 2014-06-05 23:56:50 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-06-09 22:06:54 -0400 |
| commit | 4510fb985d3c3c5dae4d66af0fbbf95cc0662f35 (patch) | |
| tree | 6bd9b76c16c5879d79125ef402a7b2507f12f0b0 /drivers/gpu/drm/radeon/radeon_vm.c | |
| parent | c1c4413258e46aef9c27696052a5b7110bdf2941 (diff) | |
| download | blackbird-op-linux-4510fb985d3c3c5dae4d66af0fbbf95cc0662f35.tar.gz blackbird-op-linux-4510fb985d3c3c5dae4d66af0fbbf95cc0662f35.zip | |
drm/radeon: make vm_block_size a module parameter
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_vm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_vm.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index d3c9161aab8c..899d9126cad6 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -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; |
