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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>
hifive-unleashed-5.1
Rex Zhu 2018-04-20 13:03:15 +08:00 committed by Alex Deucher
parent d10fb4a6f3
commit 21c77de356
2 changed files with 29 additions and 20 deletions
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47
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
View File

@ -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);

2
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
View File

@ -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