int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
{
- unsigned long bo_size;
+ unsigned long bo_size, fw_shared_bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned char fw_check;
dev_err(adev->dev, "VCN %d (%d) failed to allocate firmware shared bo\n", i, r);
return r;
}
+
+ fw_shared_bo_size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ adev->vcn.inst[i].saved_shm_bo = kvmalloc(fw_shared_bo_size, GFP_KERNEL);
}
return 0;
if (adev->vcn.harvest_config & (1 << j))
continue;
+ kvfree(adev->vcn.inst[j].saved_shm_bo);
amdgpu_bo_free_kernel(&adev->vcn.inst[j].fw_shared_bo,
&adev->vcn.inst[j].fw_shared_gpu_addr,
(void **)&adev->vcn.inst[j].fw_shared_cpu_addr);
return -ENOMEM;
memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
+
+ if (adev->vcn.inst[i].fw_shared_bo == NULL)
+ return 0;
+
+ if (!adev->vcn.inst[i].saved_shm_bo)
+ return -ENOMEM;
+
+ size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
+
+ memcpy_fromio(adev->vcn.inst[i].saved_shm_bo, ptr, size);
}
return 0;
}
}
memset_io(ptr, 0, size);
}
+
+ if (adev->vcn.inst[i].fw_shared_bo == NULL)
+ return -EINVAL;
+
+ size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
+
+ if (adev->vcn.inst[i].saved_shm_bo != NULL)
+ memcpy_toio(ptr, adev->vcn.inst[i].saved_shm_bo, size);
+ else
+ memset_io(ptr, 0, size);
}
return 0;
}