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drm/amd/pm: add some basic functions to support umd P-state function for vangogh.

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This patch is to add some basic functions to support
umd P-state function for vangogh.

Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojian Du
2020-12-24 17:59:59 +08:00
committed by Alex Deucher
parent d0e4e112a9
commit dd9e0b2176
1 changed files with 272 additions and 0 deletions
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272
drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
View File

@@ -785,6 +785,277 @@ static int vangogh_set_power_profile_mode(struct smu_context *smu, long *input,
return 0;
}
static int vangogh_set_soft_freq_limited_range(struct smu_context *smu,
enum smu_clk_type clk_type,
uint32_t min,
uint32_t max)
{
int ret = 0;
if (!vangogh_clk_dpm_is_enabled(smu, clk_type))
return 0;
switch (clk_type) {
case SMU_GFXCLK:
case SMU_SCLK:
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinGfxClk,
min, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxGfxClk,
max, NULL);
if (ret)
return ret;
break;
case SMU_FCLK:
case SMU_MCLK:
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinFclkByFreq,
min, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxFclkByFreq,
max, NULL);
if (ret)
return ret;
break;
case SMU_SOCCLK:
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinSocclkByFreq,
min, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxSocclkByFreq,
max, NULL);
if (ret)
return ret;
break;
case SMU_VCLK:
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinVcn,
min << 16, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxVcn,
max << 16, NULL);
if (ret)
return ret;
break;
case SMU_DCLK:
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinVcn,
min, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxVcn,
max, NULL);
if (ret)
return ret;
break;
default:
return -EINVAL;
}
return ret;
}
static int vangogh_force_clk_levels(struct smu_context *smu,
enum smu_clk_type clk_type, uint32_t mask)
{
uint32_t soft_min_level = 0, soft_max_level = 0;
uint32_t min_freq = 0, max_freq = 0;
int ret = 0 ;
soft_min_level = mask ? (ffs(mask) - 1) : 0;
soft_max_level = mask ? (fls(mask) - 1) : 0;
switch (clk_type) {
case SMU_SOCCLK:
ret = vangogh_get_dpm_clk_limited(smu, clk_type,
soft_min_level, &min_freq);
if (ret)
return ret;
ret = vangogh_get_dpm_clk_limited(smu, clk_type,
soft_max_level, &max_freq);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxSocclkByFreq,
max_freq, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinSocclkByFreq,
min_freq, NULL);
if (ret)
return ret;
break;
case SMU_MCLK:
case SMU_FCLK:
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_min_level, &min_freq);
if (ret)
return ret;
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_max_level, &max_freq);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxFclkByFreq,
max_freq, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinFclkByFreq,
min_freq, NULL);
if (ret)
return ret;
break;
case SMU_VCLK:
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_min_level, &min_freq);
if (ret)
return ret;
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_max_level, &max_freq);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxVcn,
max_freq << 16, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinVcn,
min_freq << 16, NULL);
if (ret)
return ret;
break;
case SMU_DCLK:
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_min_level, &min_freq);
if (ret)
return ret;
ret = vangogh_get_dpm_clk_limited(smu,
clk_type, soft_max_level, &max_freq);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetSoftMaxVcn,
max_freq, NULL);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetHardMinVcn,
min_freq, NULL);
if (ret)
return ret;
break;
default:
break;
}
return ret;
}
static int vangogh_force_dpm_limit_value(struct smu_context *smu, bool highest)
{
int ret = 0, i = 0;
uint32_t min_freq, max_freq, force_freq;
enum smu_clk_type clk_type;
enum smu_clk_type clks[] = {
SMU_SOCCLK,
SMU_VCLK,
SMU_DCLK,
SMU_MCLK,
SMU_FCLK,
};
for (i = 0; i < ARRAY_SIZE(clks); i++) {
clk_type = clks[i];
ret = vangogh_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
if (ret)
return ret;
force_freq = highest ? max_freq : min_freq;
ret = vangogh_set_soft_freq_limited_range(smu, clk_type, force_freq, force_freq);
if (ret)
return ret;
}
return ret;
}
static int vangogh_unforce_dpm_levels(struct smu_context *smu)
{
int ret = 0, i = 0;
uint32_t min_freq, max_freq;
enum smu_clk_type clk_type;
struct clk_feature_map {
enum smu_clk_type clk_type;
uint32_t feature;
} clk_feature_map[] = {
{SMU_MCLK, SMU_FEATURE_DPM_FCLK_BIT},
{SMU_FCLK, SMU_FEATURE_DPM_FCLK_BIT},
{SMU_SOCCLK, SMU_FEATURE_DPM_SOCCLK_BIT},
};
for (i = 0; i < ARRAY_SIZE(clk_feature_map); i++) {
if (!smu_cmn_feature_is_enabled(smu, clk_feature_map[i].feature))
continue;
clk_type = clk_feature_map[i].clk_type;
ret = vangogh_get_dpm_ultimate_freq(smu, clk_type, &min_freq, &max_freq);
if (ret)
return ret;
ret = vangogh_set_soft_freq_limited_range(smu, clk_type, min_freq, max_freq);
if (ret)
return ret;
}
return ret;
}
static int vangogh_set_peak_clock_by_device(struct smu_context *smu)
{
int ret = 0;
uint32_t socclk_freq = 0, fclk_freq = 0;
ret = vangogh_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &fclk_freq);
if (ret)
return ret;
ret = vangogh_set_soft_freq_limited_range(smu, SMU_FCLK, fclk_freq, fclk_freq);
if (ret)
return ret;
ret = vangogh_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &socclk_freq);
if (ret)
return ret;
ret = vangogh_set_soft_freq_limited_range(smu, SMU_SOCCLK, socclk_freq, socclk_freq);
if (ret)
return ret;
return ret;
}
static int vangogh_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
@@ -1177,6 +1448,7 @@ static const struct pptable_funcs vangogh_ppt_funcs = {
.feature_is_enabled = smu_cmn_feature_is_enabled,
.set_power_profile_mode = vangogh_set_power_profile_mode,
.get_dpm_clock_table = vangogh_get_dpm_clock_table,
.force_clk_levels = vangogh_force_clk_levels,
.post_init = vangogh_post_smu_init,
};