From dd9e0b217686065bc82c7e6f75b4ab54710410d5 Mon Sep 17 00:00:00 2001 From: Xiaojian Du Date: Thu, 24 Dec 2020 17:59:59 +0800 Subject: drm/amd/pm: add some basic functions to support umd P-state function for vangogh. This patch is to add some basic functions to support umd P-state function for vangogh. Signed-off-by: Xiaojian Du Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 272 +++++++++++++++++++++++ 1 file changed, 272 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c index c115a860725d..c0f051f124e6 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c @@ -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, }; -- cgit v1.2.3