drm/amd/pp: Use dynamic gfx_clk rather than hardcoded values

Reviewed-by: Evan Quan <evan.quan@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/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index ef09073..be6d6e2 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -383,7 +383,7 @@ static int smu10_get_clock_voltage_dependency_table(struct pp_hwmgr *hwmgr,
 
 static int smu10_populate_clock_table(struct pp_hwmgr *hwmgr)
 {
-       int result;
+       uint32_t result;
 
        struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend);
        DpmClocks_t  *table = &(smu10_data->clock_table);
@@ -429,11 +429,11 @@ static int smu10_populate_clock_table(struct pp_hwmgr *hwmgr)
 
        smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency);
        result = smum_get_argument(hwmgr);
-       smu10_data->gfx_min_freq_limit = result * 100;
+       smu10_data->gfx_min_freq_limit = result / 10 * 1000;
 
        smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency);
        result = smum_get_argument(hwmgr);
-       smu10_data->gfx_max_freq_limit = result * 100;
+       smu10_data->gfx_max_freq_limit = result / 10 * 1000;
 
        return 0;
 }
@@ -515,6 +515,8 @@ static int smu10_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
 static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
                                enum amd_dpm_forced_level level)
 {
+       struct smu10_hwmgr *data = hwmgr->backend;
+
        if (hwmgr->smu_version < 0x1E3700) {
                pr_info("smu firmware version too old, can not set dpm level\n");
                return 0;
@@ -525,7 +527,7 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
        case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinGfxClk,
-                                               SMU10_UMD_PSTATE_PEAK_GFXCLK);
+                                               data->gfx_max_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinFclkByFreq,
                                                SMU10_UMD_PSTATE_PEAK_FCLK);
@@ -538,7 +540,7 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxGfxClk,
-                                               SMU10_UMD_PSTATE_PEAK_GFXCLK);
+                                               data->gfx_max_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxFclkByFreq,
                                                SMU10_UMD_PSTATE_PEAK_FCLK);
@@ -552,10 +554,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
        case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinGfxClk,
-                                               SMU10_UMD_PSTATE_MIN_GFXCLK);
+                                               data->gfx_min_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxGfxClk,
-                                               SMU10_UMD_PSTATE_MIN_GFXCLK);
+                                               data->gfx_min_freq_limit/100);
                break;
        case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
                smum_send_msg_to_smc_with_parameter(hwmgr,
@@ -595,7 +597,7 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
        case AMD_DPM_FORCED_LEVEL_AUTO:
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinGfxClk,
-                                               SMU10_UMD_PSTATE_MIN_GFXCLK);
+                                               data->gfx_min_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinFclkByFreq,
                                                SMU10_UMD_PSTATE_MIN_FCLK);
@@ -608,7 +610,7 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
 
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxGfxClk,
-                                               SMU10_UMD_PSTATE_PEAK_GFXCLK);
+                                               data->gfx_max_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxFclkByFreq,
                                                SMU10_UMD_PSTATE_PEAK_FCLK);
@@ -622,10 +624,10 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
        case AMD_DPM_FORCED_LEVEL_LOW:
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinGfxClk,
-                                               SMU10_UMD_PSTATE_MIN_GFXCLK);
+                                               data->gfx_min_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetSoftMaxGfxClk,
-                                               SMU10_UMD_PSTATE_MIN_GFXCLK);
+                                               data->gfx_min_freq_limit/100);
                smum_send_msg_to_smc_with_parameter(hwmgr,
                                                PPSMC_MSG_SetHardMinFclkByFreq,
                                                SMU10_UMD_PSTATE_MIN_FCLK);
@@ -773,21 +775,30 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr,
        struct smu10_hwmgr *data = (struct smu10_hwmgr *)(hwmgr->backend);
        struct smu10_voltage_dependency_table *mclk_table =
                        data->clock_vol_info.vdd_dep_on_fclk;
-       int i, now, size = 0;
+       uint32_t i, now, size = 0;
 
        switch (type) {
        case PP_SCLK:
                smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
                now = smum_get_argument(hwmgr);
 
+       /* driver only know min/max gfx_clk, Add level 1 for all other gfx clks */
+               if (now == data->gfx_max_freq_limit/100)
+                       i = 2;
+               else if (now == data->gfx_min_freq_limit/100)
+                       i = 0;
+               else
+                       i = 1;
+
                size += sprintf(buf + size, "0: %uMhz %s\n",
-                               data->gfx_min_freq_limit / 100,
-                               ((data->gfx_min_freq_limit / 100)
-                                == now) ? "*" : "");
+                                       data->gfx_min_freq_limit/100,
+                                       i == 0 ? "*" : "");
                size += sprintf(buf + size, "1: %uMhz %s\n",
-                               data->gfx_max_freq_limit / 100,
-                               ((data->gfx_max_freq_limit / 100)
-                                == now) ? "*" : "");
+                                       i == 1 ? now : SMU10_UMD_PSTATE_GFXCLK,
+                                       i == 1 ? "*" : "");
+               size += sprintf(buf + size, "2: %uMhz %s\n",
+                                       data->gfx_max_freq_limit/100,
+                                       i == 2 ? "*" : "");
                break;
        case PP_MCLK:
                smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
index f68b218..1fb296a 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
@@ -311,11 +311,9 @@ int smu10_init_function_pointers(struct pp_hwmgr *hwmgr);
 #define SMU10_UMD_PSTATE_FCLK                   933
 #define SMU10_UMD_PSTATE_VCE                    0x03C00320
 
-#define SMU10_UMD_PSTATE_PEAK_GFXCLK            1100
 #define SMU10_UMD_PSTATE_PEAK_SOCCLK            757
 #define SMU10_UMD_PSTATE_PEAK_FCLK              1200
 
-#define SMU10_UMD_PSTATE_MIN_GFXCLK             200
 #define SMU10_UMD_PSTATE_MIN_FCLK               400
 #define SMU10_UMD_PSTATE_MIN_SOCCLK             200
 #define SMU10_UMD_PSTATE_MIN_VCE                0x0190012C