drm/amdgpu: always set and check dma addresses in the VM code
Clean that up a bit and allow to always have the DMA addresses around.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 4303436..5ae0f88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -86,6 +86,13 @@
struct amdgpu_vm *vm;
/**
+ * @pages_addr:
+ *
+ * DMA addresses to use for mapping
+ */
+ dma_addr_t *pages_addr;
+
+ /**
* @src: address where to copy page table entries from
*/
uint64_t src;
@@ -102,12 +109,6 @@
struct amdgpu_bo *bo, uint64_t pe,
uint64_t addr, unsigned count, uint32_t incr,
uint64_t flags);
- /**
- * @pages_addr:
- *
- * DMA addresses to use for mapping, used during VM update by CPU
- */
- dma_addr_t *pages_addr;
};
/**
@@ -1572,7 +1573,7 @@
max_frag = 31;
/* system pages are non continuously */
- if (params->src) {
+ if (params->pages_addr) {
*frag = 0;
*frag_end = end;
return;
@@ -1752,16 +1753,13 @@
memset(¶ms, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
+ params.pages_addr = pages_addr;
/* sync to everything except eviction fences on unmapping */
if (!(flags & AMDGPU_PTE_VALID))
owner = AMDGPU_FENCE_OWNER_KFD;
if (vm->use_cpu_for_update) {
- /* params.src is used as flag to indicate system Memory */
- if (pages_addr)
- params.src = ~0;
-
/* Wait for PT BOs to be idle. PTs share the same resv. object
* as the root PD BO
*/
@@ -1777,7 +1775,6 @@
}
params.func = amdgpu_vm_cpu_set_ptes;
- params.pages_addr = pages_addr;
return amdgpu_vm_update_ptes(¶ms, start, last + 1,
addr, flags);
}