From: Tim Huang <Tim.Huang@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: Alexander.Deucher@amd.com, Yifan1.zhang@amd.com,
jesse.zhang@amd.com, Tim Huang <Tim.Huang@amd.com>
Subject: [PATCH 2/3] drm/amd/pm: enable vclk and dclk Pstates for SMU v13.0.5
Date: Fri, 9 Jun 2023 18:44:26 +0800 [thread overview]
Message-ID: <20230609104427.636097-2-Tim.Huang@amd.com> (raw)
In-Reply-To: <20230609104427.636097-1-Tim.Huang@amd.com>
Add the ability to control the vclk and dclk frequency by
power_dpm_force_performance_level interface.
Signed-off-by: Tim Huang <Tim.Huang@amd.com>
---
.../drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
index 725c791ad3fc..53c508acf895 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
@@ -983,19 +983,31 @@ static int smu_v13_0_5_set_performance_level(struct smu_context *smu,
{
struct amdgpu_device *adev = smu->adev;
uint32_t sclk_min = 0, sclk_max = 0;
+ uint32_t vclk_min = 0, vclk_max = 0;
+ uint32_t dclk_min = 0, dclk_max = 0;
int ret = 0;
switch (level) {
case AMD_DPM_FORCED_LEVEL_HIGH:
smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, NULL, &sclk_max);
+ smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, NULL, &vclk_max);
+ smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_DCLK, NULL, &dclk_max);
sclk_min = sclk_max;
+ vclk_min = vclk_max;
+ dclk_min = dclk_max;
break;
case AMD_DPM_FORCED_LEVEL_LOW:
smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, NULL);
+ smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, NULL);
+ smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_DCLK, &dclk_min, NULL);
sclk_max = sclk_min;
+ vclk_max = vclk_min;
+ dclk_max = dclk_min;
break;
case AMD_DPM_FORCED_LEVEL_AUTO:
smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_SCLK, &sclk_min, &sclk_max);
+ smu_v13_0_5_get_dpm_ultimate_freq(smu, SMU_VCLK, &vclk_min, &vclk_max);
+ smu_v13_0_5_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:
@@ -1023,6 +1035,23 @@ static int smu_v13_0_5_set_performance_level(struct smu_context *smu,
smu->gfx_actual_soft_max_freq = sclk_max;
}
+ if (vclk_min && vclk_max) {
+ ret = smu_v13_0_5_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_5_set_soft_freq_limited_range(smu,
+ SMU_DCLK,
+ dclk_min,
+ dclk_max);
+ if (ret)
+ return ret;
+ }
return ret;
}
--
2.34.1
next prev parent reply other threads:[~2023-06-09 10:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 10:44 [PATCH 1/3] drm/amd/pm: fix vclk setting failed for SMU v13.0.5 Tim Huang
2023-06-09 10:44 ` Tim Huang [this message]
2023-06-09 10:44 ` [PATCH 3/3] drm/amd/pm: enable more Pstates profile levels " Tim Huang
2023-06-09 17:57 ` Deucher, Alexander
2023-06-12 3:12 ` Zhang, Yifan
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