static int
psp_cmd_submit_buf(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr,
int index)
{
int ret;
memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
ret = psp_cmd_submit(psp, ucode, psp->cmd_buf_mc_addr,
fence_mc_addr, index);
while (*((unsigned int *)psp->fence_buf) != index) {
msleep(1);
}
/* the status field must be 0 after FW is loaded */
if (ucode && psp->cmd_buf_mem->resp.status) {
DRM_ERROR("failed loading with status (%d) and ucode id (%d)\n",
psp->cmd_buf_mem->resp.status, ucode->ucode_id);
return -EINVAL;
}
if (ucode) {
ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
}
return ret;
}
static int
psp_cmd_submit_buf(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
{
int ret;
int index;
int timeout = 2000;
memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
index = atomic_inc_return(&psp->fence_value);
ret = psp_cmd_submit(psp, ucode, psp->cmd_buf_mc_addr,
fence_mc_addr, index);
if (ret) {
atomic_dec(&psp->fence_value);
return ret;
}
while (*((unsigned int *)psp->fence_buf) != index) {
if (--timeout == 0)
break;
msleep(1);
}
/* In some cases, psp response status is not 0 even there is no
* problem while the command is submitted. Some version of PSP FW
* doesn't write 0 to that field.
* So here we would like to only print a warning instead of an error
* during psp initialization to avoid breaking hw_init and it doesn't
* return -EINVAL.
*/
if (psp->cmd_buf_mem->resp.status || !timeout) {
if (ucode)
DRM_WARN("failed to load ucode id (%d) ",
ucode->ucode_id);
DRM_WARN("psp command failed and response status is (%d)\n",
psp->cmd_buf_mem->resp.status);
if (!timeout)
return -EINVAL;
}
/* get xGMI session id from response buffer */
cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id;
if (ucode) {
ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
}
return ret;
}
static int
psp_cmd_submit_buf(struct psp_context *psp,
struct amdgpu_firmware_info *ucode,
struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr,
int index)
{
int ret;
struct amdgpu_bo *cmd_buf_bo;
uint64_t cmd_buf_mc_addr;
struct psp_gfx_cmd_resp *cmd_buf_mem;
struct amdgpu_device *adev = psp->adev;
ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&cmd_buf_bo, &cmd_buf_mc_addr,
(void **)&cmd_buf_mem);
if (ret)
return ret;
memset(cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
memcpy(cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
ret = psp_cmd_submit(psp, ucode, cmd_buf_mc_addr,
fence_mc_addr, index);
while (*((unsigned int *)psp->fence_buf) != index) {
msleep(1);
}
amdgpu_bo_free_kernel(&cmd_buf_bo,
&cmd_buf_mc_addr,
(void **)&cmd_buf_mem);
return ret;
}
