when dc set mode or color format in frame buffer
change, it may request clock changes, like dispclk,
dcfclk, uclk. after smu get clock requests, smu
will make decision.
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
if (!smu->pm_enabled)
return -EINVAL;
- if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT)) {
+ if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) ||
+ smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
switch (clk_type) {
case amd_pp_dcef_clock:
clk_select = SMU_DCEFCLK;
case amd_pp_phy_clock:
clk_select = SMU_PHYCLK;
break;
+ case amd_pp_mem_clock:
+ clk_select = SMU_UCLK;
+ break;
default:
pr_info("[%s] Invalid Clock Type!", __func__);
ret = -EINVAL;
if (ret)
goto failed;
+ mutex_lock(&smu->mutex);
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetHardMinByFreq,
(smu_clk_get_index(smu, clk_select) << 16) | clk_freq);
+ mutex_unlock(&smu->mutex);
}
failed: