drm/amd/powerplay: correct Navi10 VCN powergate control (v2)
authorEvan Quan <evan.quan@amd.com>
Mon, 22 Jul 2019 02:27:21 +0000 (10:27 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 31 Jul 2019 07:02:22 +0000 (02:02 -0500)
No VCN DPM bit check as that's different from VCN PG. Also
no extra check for possible double enablement/disablement
as that's already done by VCN.

v2: check return value of smu_feature_set_enabled

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/navi10_ppt.c

index be592d22bdccee8c893b6621fec41a0a4507680f..cc0a3b2256aff71ff8d2f4c03499d45190b088fe 100644 (file)
@@ -578,28 +578,20 @@ static int navi10_set_default_dpm_table(struct smu_context *smu)
 static int navi10_dpm_set_uvd_enable(struct smu_context *smu, bool enable)
 {
        int ret = 0;
-       struct smu_power_context *smu_power = &smu->smu_power;
-       struct smu_power_gate *power_gate = &smu_power->power_gate;
 
-       if (enable && power_gate->uvd_gated) {
-               if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT)) {
-                       ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1);
-                       if (ret)
-                               return ret;
-               }
-               power_gate->uvd_gated = false;
+       if (enable) {
+               ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1);
+               if (ret)
+                       return ret;
        } else {
-               if (!enable && !power_gate->uvd_gated) {
-                       if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UVD_BIT)) {
-                               ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn);
-                               if (ret)
-                                       return ret;
-                       }
-                       power_gate->uvd_gated = true;
-               }
+               ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn);
+               if (ret)
+                       return ret;
        }
 
-       return 0;
+       ret = smu_feature_set_enabled(smu, SMU_FEATURE_VCN_PG_BIT, enable);
+
+       return ret;
 }
 
 static int navi10_get_current_clk_freq_by_table(struct smu_context *smu,