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drm/amdgpu: cleanup the write_pte implementations

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We don't need the gart mapping handling here any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2016-08-12 11:33:30 +02:00
committed by Alex Deucher
parent b7fc2cbd5e
commit de9ea7bd36
5 changed files with 53 additions and 97 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -491,8 +491,8 @@ static void amdgpu_vm_update_pages(struct amdgpu_pte_update_params *params,
pe, (params->src + (addr >> 12) * 8), count);
} else if (count < 3) {
amdgpu_vm_write_pte(params->adev, params->ib, NULL, pe, addr,
count, incr, flags);
amdgpu_vm_write_pte(params->adev, params->ib, pe,
addr | flags, count, incr);
} else {
amdgpu_vm_set_pte_pde(params->adev, params->ib, pe, addr,
@@ -569,21 +569,15 @@ error:
* Look up the physical address of the page that the pte resolves
* to and return the pointer for the page table entry.
*/
uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr)
static uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr)
{
uint64_t result;
if (pages_addr) {
/* page table offset */
result = pages_addr[addr >> PAGE_SHIFT];
/* page table offset */
result = pages_addr[addr >> PAGE_SHIFT];
/* in case cpu page size != gpu page size*/
result |= addr & (~PAGE_MASK);
} else {
/* No mapping required */
result = addr;
}
/* in case cpu page size != gpu page size*/
result |= addr & (~PAGE_MASK);
result &= 0xFFFFFFFFFFFFF000ULL;