drm/amd/powerplay: allow dc request uclk change
authorhersen wu <hersenxs.wu@amd.com>
Wed, 22 May 2019 14:57:40 +0000 (10:57 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 21 Jun 2019 23:59:33 +0000 (18:59 -0500)
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>
drivers/gpu/drm/amd/powerplay/smu_v11_0.c

index 63246fa..c9d0992 100644 (file)
@@ -1277,8 +1277,9 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu,
 
        if (!smu->pm_enabled)
                return -EINVAL;
+
        if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) ||
-           smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
+               smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
                switch (clk_type) {
                case amd_pp_dcef_clock:
                        clk_select = SMU_DCEFCLK;