static int psp_resume(void *handle)
{
int ret;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct psp_context *psp = &adev->psp;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
return 0;
DRM_INFO("PSP is resuming...\n");
mutex_lock(&adev->firmware.mutex);
ret = psp_hw_start(psp);
if (ret)
goto failed;
ret = psp_np_fw_load(psp);
if (ret)
goto failed;
mutex_unlock(&adev->firmware.mutex);
return 0;
failed:
DRM_ERROR("PSP resume failed\n");
mutex_unlock(&adev->firmware.mutex);
return ret;
}
static int psp_load_fw(struct amdgpu_device *adev)
{
int ret;
struct psp_context *psp = &adev->psp;
if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset != 0)
goto skip_memalloc;
psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!psp->cmd)
return -ENOMEM;
ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
AMDGPU_GEM_DOMAIN_GTT,
&psp->fw_pri_bo,
&psp->fw_pri_mc_addr,
&psp->fw_pri_buf);
if (ret)
goto failed;
ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&psp->fence_buf_bo,
&psp->fence_buf_mc_addr,
&psp->fence_buf);
if (ret)
goto failed_mem2;
ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
(void **)&psp->cmd_buf_mem);
if (ret)
goto failed_mem1;
memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
if (ret)
goto failed_mem;
ret = psp_tmr_init(psp);
if (ret)
goto failed_mem;
ret = psp_asd_init(psp);
if (ret)
goto failed_mem;
skip_memalloc:
ret = psp_hw_start(psp);
if (ret)
goto failed_mem;
ret = psp_np_fw_load(psp);
if (ret)
goto failed_mem;
return 0;
failed_mem:
amdgpu_bo_free_kernel(&psp->cmd_buf_bo,
&psp->cmd_buf_mc_addr,
(void **)&psp->cmd_buf_mem);
failed_mem1:
amdgpu_bo_free_kernel(&psp->fence_buf_bo,
&psp->fence_buf_mc_addr, &psp->fence_buf);
failed_mem2:
amdgpu_bo_free_kernel(&psp->fw_pri_bo,
&psp->fw_pri_mc_addr, &psp->fw_pri_buf);
failed:
kfree(psp->cmd);
psp->cmd = NULL;
return ret;
}
static int psp_load_fw(struct amdgpu_device *adev)
{
int ret;
struct psp_context *psp = &adev->psp;
if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) {
psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */
goto skip_memalloc;
}
psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
if (!psp->cmd)
return -ENOMEM;
ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
AMDGPU_GEM_DOMAIN_GTT,
&psp->fw_pri_bo,
&psp->fw_pri_mc_addr,
&psp->fw_pri_buf);
if (ret)
goto failed;
ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&psp->fence_buf_bo,
&psp->fence_buf_mc_addr,
&psp->fence_buf);
if (ret)
goto failed;
ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
(void **)&psp->cmd_buf_mem);
if (ret)
goto failed;
memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
if (ret) {
DRM_ERROR("PSP ring init failed!\n");
goto failed;
}
ret = psp_tmr_init(psp);
if (ret) {
DRM_ERROR("PSP tmr init failed!\n");
goto failed;
}
ret = psp_asd_init(psp);
if (ret) {
DRM_ERROR("PSP asd init failed!\n");
goto failed;
}
skip_memalloc:
ret = psp_hw_start(psp);
if (ret)
goto failed;
ret = psp_np_fw_load(psp);
if (ret)
goto failed;
return 0;
failed:
/*
* all cleanup jobs (xgmi terminate, ras terminate,
* ring destroy, cmd/fence/fw buffers destory,
* psp->cmd destory) are delayed to psp_hw_fini
*/
return ret;
}