drm/amd/pp: Implement voltage regulator config on CI

Store the voltage regulator configuration
so we can properly query the voltage

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu7.h b/drivers/gpu/drm/amd/powerplay/inc/smu7.h
index 75a380a..e14072d 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/smu7.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu7.h
@@ -82,6 +82,25 @@
 #define SCRATCH_B_CURR_SAMU_INDEX_MASK  (0x7<<SCRATCH_B_CURR_SAMU_INDEX_SHIFT)
 
 
+/* Voltage Regulator Configuration */
+/* VR Config info is contained in dpmTable */
+
+#define VRCONF_VDDC_MASK         0x000000FF
+#define VRCONF_VDDC_SHIFT        0
+#define VRCONF_VDDGFX_MASK       0x0000FF00
+#define VRCONF_VDDGFX_SHIFT      8
+#define VRCONF_VDDCI_MASK        0x00FF0000
+#define VRCONF_VDDCI_SHIFT       16
+#define VRCONF_MVDD_MASK         0xFF000000
+#define VRCONF_MVDD_SHIFT        24
+
+#define VR_MERGED_WITH_VDDC      0
+#define VR_SVI2_PLANE_1          1
+#define VR_SVI2_PLANE_2          2
+#define VR_SMIO_PATTERN_1        3
+#define VR_SMIO_PATTERN_2        4
+#define VR_STATIC_VOLTAGE        5
+
 struct SMU7_PIDController
 {
     uint32_t Ki;

diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu7_discrete.h b/drivers/gpu/drm/amd/powerplay/inc/smu7_discrete.h
index 0b0b404..ee87674 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/smu7_discrete.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu7_discrete.h
@@ -316,7 +316,8 @@ struct SMU7_Discrete_DpmTable
     uint8_t                             AcpLevelCount;
     uint8_t                             SamuLevelCount;
     uint8_t                             MasterDeepSleepControl;
-    uint32_t                            Reserved[5];
+    uint32_t                            VRConfig;
+    uint32_t                            Reserved[4];
 //    uint32_t                            SamuDefaultLevel;
 
     SMU7_Discrete_GraphicsLevel         GraphicsLevel           [SMU7_MAX_LEVELS_GRAPHICS];

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
index 0b4a556..03b5f10 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
@@ -1941,6 +1941,37 @@ static int ci_start_smc(struct pp_hwmgr *hwmgr)
        return 0;
 }
 
+static int ci_populate_vr_config(struct pp_hwmgr *hwmgr, SMU7_Discrete_DpmTable *table)
+{
+       struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+       uint16_t config;
+
+       config = VR_SVI2_PLANE_1;
+       table->VRConfig |= (config<<VRCONF_VDDGFX_SHIFT);
+
+       if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+               config = VR_SVI2_PLANE_2;
+               table->VRConfig |= config;
+       } else {
+               pr_info("VDDCshould be on SVI2 controller!");
+       }
+
+       if (SMU7_VOLTAGE_CONTROL_BY_SVID2 == data->vddci_control) {
+               config = VR_SVI2_PLANE_2;
+               table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT);
+       } else if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->vddci_control) {
+               config = VR_SMIO_PATTERN_1;
+               table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT);
+       }
+
+       if (SMU7_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
+               config = VR_SMIO_PATTERN_2;
+               table->VRConfig |= (config<<VRCONF_MVDD_SHIFT);
+       }
+
+       return 0;
+}
+
 static int ci_init_smc_table(struct pp_hwmgr *hwmgr)
 {
        int result;
@@ -2064,6 +2095,11 @@ static int ci_init_smc_table(struct pp_hwmgr *hwmgr)
        table->PCIeBootLinkLevel = (uint8_t)data->dpm_table.pcie_speed_table.count;
        table->PCIeGenInterval = 1;
 
+       result = ci_populate_vr_config(hwmgr, table);
+       PP_ASSERT_WITH_CODE(0 == result,
+                       "Failed to populate VRConfig setting!", return result);
+       data->vr_config = table->VRConfig;
+
        ci_populate_smc_svi2_config(hwmgr, table);
 
        for (i = 0; i < SMU7_MAX_ENTRIES_SMIO; i++)
@@ -2084,6 +2120,7 @@ static int ci_init_smc_table(struct pp_hwmgr *hwmgr)
        table->AcDcGpio = SMU7_UNUSED_GPIO_PIN;
 
        CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
+       CONVERT_FROM_HOST_TO_SMC_UL(table->VRConfig);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcVid);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddcPhase);
        CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMaskVddciVid);