From 2d0ee64e9846ed4036fd11c5b900a21039ee8b7a Mon Sep 17 00:00:00 2001 From: Tim Huang Date: Fri, 2 Jun 2023 16:57:12 +0800 Subject: [PATCH] drm/amd/pm: enable vclk and dclk Pstates for SMU v13.0.4 Add the ability to control the vclk and dclk frequency by power_dpm_force_performance_level interface. Signed-off-by: Tim Huang Acked-by: Alex Deucher Reviewed-by: Yifan Zhang Signed-off-by: Alex Deucher --- .../drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c index 999b07db862e..315a6d8bde2e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c @@ -915,6 +915,8 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu, uint32_t sclk_min = 0, sclk_max = 0; uint32_t fclk_min = 0, fclk_max = 0; uint32_t socclk_min = 0, socclk_max = 0; + uint32_t vclk_min = 0, vclk_max = 0; + uint32_t dclk_min = 0, dclk_max = 0; int ret = 0; switch (level) { @@ -922,22 +924,32 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu, smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, NULL, &fclk_max); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, NULL, &socclk_max); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, NULL, &vclk_max); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, NULL, &dclk_max); sclk_min = sclk_max; fclk_min = fclk_max; socclk_min = socclk_max; + vclk_min = vclk_max; + dclk_min = dclk_max; break; case AMD_DPM_FORCED_LEVEL_LOW: smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, NULL); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, NULL); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, NULL); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, NULL); sclk_max = sclk_min; fclk_max = fclk_min; socclk_max = socclk_min; + vclk_max = vclk_min; + dclk_max = dclk_min; break; case AMD_DPM_FORCED_LEVEL_AUTO: smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_FCLK, &fclk_min, &fclk_max); smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_SOCCLK, &socclk_min, &socclk_max); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, &vclk_max); + smu_v13_0_4_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, &dclk_max); break; case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD: case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK: @@ -983,6 +995,23 @@ static int smu_v13_0_4_set_performance_level(struct smu_context *smu, return ret; } + if (vclk_min && vclk_max) { + ret = smu_v13_0_4_set_soft_freq_limited_range(smu, + SMU_VCLK, + vclk_min, + vclk_max); + if (ret) + return ret; + } + + if (dclk_min && dclk_max) { + ret = smu_v13_0_4_set_soft_freq_limited_range(smu, + SMU_DCLK, + dclk_min, + dclk_max); + if (ret) + return ret; + } return ret; } -- 2.20.1