diff options
author | Evan Quan <evan.quan@amd.com> | 2020-08-03 11:15:14 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2020-08-07 17:48:57 -0400 |
commit | 2c34c960cee0dfdfe33ddf1b3835c250a9503ef6 (patch) | |
tree | bce9994590b7b70d0dfe98669bfd182a378b24d9 /drivers/gpu | |
parent | f2e2573c0823c07dc8aac4a8e0947881af2340bd (diff) | |
download | linux-2c34c960cee0dfdfe33ddf1b3835c250a9503ef6.tar.gz linux-2c34c960cee0dfdfe33ddf1b3835c250a9503ef6.tar.bz2 linux-2c34c960cee0dfdfe33ddf1b3835c250a9503ef6.zip |
drm/amd/powerplay: update swSMU VCN/JPEG PG logics
Add lock protections and avoid unnecessary actions
if the PG state is already the same as required.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Tested-by: Matt Coffin <mcoffin13@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 57 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_internal.h | 2 |
7 files changed, 60 insertions, 34 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index ceef149d3410..70a4e6dab166 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -133,6 +133,56 @@ int smu_get_dpm_freq_range(struct smu_context *smu, return ret; } +static int smu_dpm_set_vcn_enable(struct smu_context *smu, + bool enable) +{ + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_power_gate *power_gate = &smu_power->power_gate; + int ret = 0; + + if (!smu->ppt_funcs->dpm_set_vcn_enable) + return 0; + + mutex_lock(&power_gate->vcn_gate_lock); + + if (atomic_read(&power_gate->vcn_gated) ^ enable) + goto out; + + ret = smu->ppt_funcs->dpm_set_vcn_enable(smu, enable); + if (!ret) + atomic_set(&power_gate->vcn_gated, !enable); + +out: + mutex_unlock(&power_gate->vcn_gate_lock); + + return ret; +} + +static int smu_dpm_set_jpeg_enable(struct smu_context *smu, + bool enable) +{ + struct smu_power_context *smu_power = &smu->smu_power; + struct smu_power_gate *power_gate = &smu_power->power_gate; + int ret = 0; + + if (!smu->ppt_funcs->dpm_set_jpeg_enable) + return 0; + + mutex_lock(&power_gate->jpeg_gate_lock); + + if (atomic_read(&power_gate->jpeg_gated) ^ enable) + goto out; + + ret = smu->ppt_funcs->dpm_set_jpeg_enable(smu, enable); + if (!ret) + atomic_set(&power_gate->jpeg_gated, !enable); + +out: + mutex_unlock(&power_gate->jpeg_gate_lock); + + return ret; +} + /** * smu_dpm_set_power_gate - power gate/ungate the specific IP block * @@ -649,6 +699,11 @@ static int smu_sw_init(void *handle) smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT; + atomic_set(&smu->smu_power.power_gate.vcn_gated, 1); + atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1); + mutex_init(&smu->smu_power.power_gate.vcn_gate_lock); + mutex_init(&smu->smu_power.power_gate.jpeg_gate_lock); + smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT]; smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0; smu->workload_prority[PP_SMC_POWER_PROFILE_FULLSCREEN3D] = 1; @@ -1973,7 +2028,7 @@ int smu_read_sensor(struct smu_context *smu, *size = 4; break; case AMDGPU_PP_SENSOR_VCN_POWER_STATE: - *(uint32_t *)data = smu->smu_power.power_gate.vcn_gated ? 0 : 1; + *(uint32_t *)data = atomic_read(&smu->smu_power.power_gate.vcn_gated) ? 0: 1; *size = 4; break; case AMDGPU_PP_SENSOR_MIN_FAN_RPM: diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 3b2ecb52a36f..6c991de8f371 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -1849,8 +1849,6 @@ static bool arcturus_is_dpm_running(struct smu_context *smu) static int arcturus_dpm_set_vcn_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -1861,7 +1859,6 @@ static int arcturus_dpm_set_vcn_enable(struct smu_context *smu, bool enable) return ret; } } - power_gate->vcn_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ret = smu_cmn_feature_set_enabled(smu, SMU_FEATURE_VCN_PG_BIT, 0); @@ -1870,7 +1867,6 @@ static int arcturus_dpm_set_vcn_enable(struct smu_context *smu, bool enable) return ret; } } - power_gate->vcn_gated = true; } return ret; diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 28312d6dc187..074458eb5407 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -292,8 +292,10 @@ struct smu_dpm_context { struct smu_power_gate { bool uvd_gated; bool vce_gated; - bool vcn_gated; - bool jpeg_gated; + atomic_t vcn_gated; + atomic_t jpeg_gated; + struct mutex vcn_gate_lock; + struct mutex jpeg_gate_lock; }; struct smu_power_context { diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index c33bdc6747f2..9f62af9abd23 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -785,8 +785,6 @@ static int navi10_set_default_dpm_table(struct smu_context *smu) static int navi10_dpm_set_vcn_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -796,14 +794,12 @@ static int navi10_dpm_set_vcn_enable(struct smu_context *smu, bool enable) if (ret) return ret; } - power_gate->vcn_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PowerDownVcn, NULL); if (ret) return ret; } - power_gate->vcn_gated = true; } return ret; @@ -811,8 +807,6 @@ static int navi10_dpm_set_vcn_enable(struct smu_context *smu, bool enable) static int navi10_dpm_set_jpeg_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -821,14 +815,12 @@ static int navi10_dpm_set_jpeg_enable(struct smu_context *smu, bool enable) if (ret) return ret; } - power_gate->jpeg_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_JPEG_PG_BIT)) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PowerDownJpeg, NULL); if (ret) return ret; } - power_gate->jpeg_gated = true; } return ret; diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c index 575ae4be98a2..dbb676c482fd 100644 --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c @@ -459,8 +459,6 @@ static enum amd_pm_state_type renoir_get_current_power_state(struct smu_context static int renoir_dpm_set_vcn_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -470,14 +468,12 @@ static int renoir_dpm_set_vcn_enable(struct smu_context *smu, bool enable) if (ret) return ret; } - power_gate->vcn_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PowerDownVcn, NULL); if (ret) return ret; } - power_gate->vcn_gated = true; } return ret; @@ -485,8 +481,6 @@ static int renoir_dpm_set_vcn_enable(struct smu_context *smu, bool enable) static int renoir_dpm_set_jpeg_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -495,14 +489,12 @@ static int renoir_dpm_set_jpeg_enable(struct smu_context *smu, bool enable) if (ret) return ret; } - power_gate->jpeg_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_JPEG_PG_BIT)) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownJpeg, 0, NULL); if (ret) return ret; } - power_gate->jpeg_gated = true; } return ret; diff --git a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c index f373e2d0d31c..3865dbed5f93 100644 --- a/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/sienna_cichlid_ppt.c @@ -766,10 +766,7 @@ static int sienna_cichlid_set_default_dpm_table(struct smu_context *smu) static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; struct amdgpu_device *adev = smu->adev; - int ret = 0; if (enable) { @@ -785,7 +782,6 @@ static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enabl return ret; } } - power_gate->vcn_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_MM_DPM_PG_BIT)) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownVcn, 0, NULL); @@ -798,7 +794,6 @@ static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enabl return ret; } } - power_gate->vcn_gated = true; } return ret; @@ -806,8 +801,6 @@ static int sienna_cichlid_dpm_set_vcn_enable(struct smu_context *smu, bool enabl static int sienna_cichlid_dpm_set_jpeg_enable(struct smu_context *smu, bool enable) { - struct smu_power_context *smu_power = &smu->smu_power; - struct smu_power_gate *power_gate = &smu_power->power_gate; int ret = 0; if (enable) { @@ -816,14 +809,12 @@ static int sienna_cichlid_dpm_set_jpeg_enable(struct smu_context *smu, bool enab if (ret) return ret; } - power_gate->jpeg_gated = false; } else { if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_MM_DPM_PG_BIT)) { ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_PowerDownJpeg, 0, NULL); if (ret) return ret; } - power_gate->jpeg_gated = true; } return ret; diff --git a/drivers/gpu/drm/amd/powerplay/smu_internal.h b/drivers/gpu/drm/amd/powerplay/smu_internal.h index d0deaefd3feb..f1d8f247e589 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_internal.h +++ b/drivers/gpu/drm/amd/powerplay/smu_internal.h @@ -77,8 +77,6 @@ #define smu_get_dal_power_level(smu, clocks) smu_ppt_funcs(get_dal_power_level, 0, smu, clocks) #define smu_get_perf_level(smu, designation, level) smu_ppt_funcs(get_perf_level, 0, smu, designation, level) #define smu_get_current_shallow_sleep_clocks(smu, clocks) smu_ppt_funcs(get_current_shallow_sleep_clocks, 0, smu, clocks) -#define smu_dpm_set_vcn_enable(smu, enable) smu_ppt_funcs(dpm_set_vcn_enable, 0, smu, enable) -#define smu_dpm_set_jpeg_enable(smu, enable) smu_ppt_funcs(dpm_set_jpeg_enable, 0, smu, enable) #define smu_set_watermarks_table(smu, clock_ranges) smu_ppt_funcs(set_watermarks_table, 0, smu, clock_ranges) #define smu_thermal_temperature_range_update(smu, range, rw) smu_ppt_funcs(thermal_temperature_range_update, 0, smu, range, rw) #define smu_register_irq_handler(smu) smu_ppt_funcs(register_irq_handler, 0, smu) |