diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 03896e667c14..be01b88db3ec 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -1788,6 +1788,46 @@ int smu_force_clk_levels(struct smu_context *smu, return ret; } +int smu_set_mp1_state(struct smu_context *smu, + enum pp_mp1_state mp1_state) +{ + uint16_t msg; + int ret; + + /* + * The SMC is not fully ready. That may be + * expected as the IP may be masked. + * So, just return without error. + */ + if (!smu->pm_enabled) + return 0; + + switch (mp1_state) { + case PP_MP1_STATE_SHUTDOWN: + msg = SMU_MSG_PrepareMp1ForShutdown; + break; + case PP_MP1_STATE_UNLOAD: + msg = SMU_MSG_PrepareMp1ForUnload; + break; + case PP_MP1_STATE_RESET: + msg = SMU_MSG_PrepareMp1ForReset; + break; + case PP_MP1_STATE_NONE: + default: + return 0; + } + + /* some asics may not support those messages */ + if (smu_msg_get_index(smu, msg) < 0) + return 0; + + ret = smu_send_smc_msg(smu, msg); + if (ret) + pr_err("[PrepareMp1] Failed!\n"); + + return ret; +} + const struct amd_ip_funcs smu_ip_funcs = { .name = "smu", .early_init = smu_early_init, |