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authorMichel Dänzer <michel.daenzer@amd.com>2018-06-22 18:54:03 +0200
committerAlex Deucher <alexander.deucher@amd.com>2018-07-05 16:39:49 -0500
commit463d2fe85b0eacb3760febe100994d4eb8fedde9 (patch)
tree5d8feff37c8b1d8903f64402b86549b169c55c3c /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
parent9735bf1930e658b074d72ea46bb317ad12483692 (diff)
downloadop-kernel-dev-463d2fe85b0eacb3760febe100994d4eb8fedde9.zip
op-kernel-dev-463d2fe85b0eacb3760febe100994d4eb8fedde9.tar.gz
drm/amdgpu: Add AMDGPU_GPU_PAGES_IN_CPU_PAGE define
To hopefully make the code dealing with GPU vs CPU pages a little clearer. Suggested-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 8370660..712af5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1567,7 +1567,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
if (nodes) {
addr = nodes->start << PAGE_SHIFT;
max_entries = (nodes->size - pfn) *
- (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+ AMDGPU_GPU_PAGES_IN_CPU_PAGE;
} else {
addr = 0;
max_entries = S64_MAX;
@@ -1578,7 +1578,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
max_entries = min(max_entries, 16ull * 1024ull);
for (count = 1;
- count < max_entries / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+ count < max_entries / AMDGPU_GPU_PAGES_IN_CPU_PAGE;
++count) {
uint64_t idx = pfn + count;
@@ -1592,7 +1592,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
dma_addr = pages_addr;
} else {
addr = pages_addr[pfn];
- max_entries = count * (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+ max_entries = count * AMDGPU_GPU_PAGES_IN_CPU_PAGE;
}
} else if (flags & AMDGPU_PTE_VALID) {
@@ -1607,7 +1607,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
if (r)
return r;
- pfn += (last - start + 1) / (PAGE_SIZE / AMDGPU_GPU_PAGE_SIZE);
+ pfn += (last - start + 1) / AMDGPU_GPU_PAGES_IN_CPU_PAGE;
if (nodes && nodes->size == pfn) {
pfn = 0;
++nodes;
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