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25 #include "amdgpu_lsdma.h"
27 #define AMDGPU_LSDMA_MAX_SIZE 0x2000000ULL
29 int amdgpu_lsdma_wait_for(struct amdgpu_device *adev,
30 uint32_t reg_index, uint32_t reg_val,
36 for (i = 0; i < adev->usec_timeout; i++) {
37 val = RREG32(reg_index);
38 if ((val & mask) == reg_val)
46 int amdgpu_lsdma_copy_mem(struct amdgpu_device *adev,
56 while (mem_size > 0) {
57 uint64_t current_copy_size = min(mem_size, AMDGPU_LSDMA_MAX_SIZE);
59 ret = adev->lsdma.funcs->copy_mem(adev, src_addr, dst_addr, current_copy_size);
62 src_addr += current_copy_size;
63 dst_addr += current_copy_size;
64 mem_size -= current_copy_size;
70 int amdgpu_lsdma_fill_mem(struct amdgpu_device *adev,
80 while (mem_size > 0) {
81 uint64_t current_fill_size = min(mem_size, AMDGPU_LSDMA_MAX_SIZE);
83 ret = adev->lsdma.funcs->fill_mem(adev, dst_addr, data, current_fill_size);
86 dst_addr += current_fill_size;
87 mem_size -= current_fill_size;