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drm/amdgpu: stop joining PDEs

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That doesn't hit any more most of the time anyway.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-11-30 14:12:53 +01:00 • committed by Alex Deucher
parent 79588d21ad
commit 94c6f5e4d1
1 changed files with 7 additions and 34 deletions
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41
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -1076,8 +1076,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
struct amdgpu_bo *shadow; struct amdgpu_bo *shadow;
struct amdgpu_ring *ring = NULL; struct amdgpu_ring *ring = NULL;
uint64_t pd_addr, shadow_addr = 0; uint64_t pd_addr, shadow_addr = 0;
uint64_t last_pde = ~0, last_pt = ~0, last_shadow = ~0; unsigned pt_idx, ndw = 0;
unsigned count = 0, pt_idx, ndw = 0;
struct amdgpu_job *job; struct amdgpu_job *job;
struct amdgpu_pte_update_params params; struct amdgpu_pte_update_params params;
struct dma_fence *fence = NULL; struct dma_fence *fence = NULL;
@ -1149,41 +1148,15 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
parent->entries[pt_idx].addr = pt | AMDGPU_PTE_VALID; parent->entries[pt_idx].addr = pt | AMDGPU_PTE_VALID;
pde = pd_addr + pt_idx * 8;
incr = amdgpu_bo_size(bo); incr = amdgpu_bo_size(bo);
if (((last_pde + 8 * count) != pde) || if (shadow) {
((last_pt + incr * count) != pt) || pde = shadow_addr + pt_idx * 8;
(count == AMDGPU_VM_MAX_UPDATE_SIZE)) { params.func(&params, pde, pt, 1, incr,
AMDGPU_PTE_VALID);
if (count) {
if (shadow)
params.func(&params,
last_shadow,
last_pt, count,
incr,
AMDGPU_PTE_VALID);
params.func(&params, last_pde,
last_pt, count, incr,
AMDGPU_PTE_VALID);
}
count = 1;
last_pde = pde;
last_shadow = shadow_addr + pt_idx * 8;
last_pt = pt;
} else {
++count;
} }
}
if (count) { pde = pd_addr + pt_idx * 8;
if (vm->root.base.bo->shadow) params.func(&params, pde, pt, 1, incr, AMDGPU_PTE_VALID);
params.func(&params, last_shadow, last_pt,
count, incr, AMDGPU_PTE_VALID);
params.func(&params, last_pde, last_pt,
count, incr, AMDGPU_PTE_VALID);
} }
if (!vm->use_cpu_for_update) { if (!vm->use_cpu_for_update) {