diff options
| author | Lang Yu <Lang.Yu@amd.com> | 2023-06-02 08:39:36 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-10-13 11:00:12 -0400 |
| commit | e4deccc1d1ac5d733b6512780aa390fab8acd3f0 (patch) | |
| tree | 1b3e87683d21b471a8eedfefec8e0fe988559e2d /drivers/gpu/drm/amd | |
| parent | 56d3de7da67a363efdc885c083f88258fb9b20d3 (diff) | |
drm/amdgpu: add support to power up/down UMSCH by SMU
Power up/down UMSCH by SMU.
Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Acked-by: Veerabadhran Gopalakrishnan <Veerabadhran.Gopalakrishnan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c index df513347cb73..7c3356d6da5e 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c @@ -299,6 +299,29 @@ static int smu_dpm_set_vpe_enable(struct smu_context *smu, return ret; } +static int smu_dpm_set_umsch_mm_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->adev->enable_umsch_mm) + return 0; + + if (!smu->ppt_funcs->dpm_set_umsch_mm_enable) + return 0; + + if (atomic_read(&power_gate->umsch_mm_gated) ^ enable) + return 0; + + ret = smu->ppt_funcs->dpm_set_umsch_mm_enable(smu, enable); + if (!ret) + atomic_set(&power_gate->umsch_mm_gated, !enable); + + return ret; +} + /** * smu_dpm_set_power_gate - power gate/ungate the specific IP block * @@ -1196,6 +1219,7 @@ static int smu_sw_init(void *handle) atomic_set(&smu->smu_power.power_gate.vcn_gated, 1); atomic_set(&smu->smu_power.power_gate.jpeg_gated, 1); atomic_set(&smu->smu_power.power_gate.vpe_gated, 1); + atomic_set(&smu->smu_power.power_gate.umsch_mm_gated, 1); smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT]; smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0; @@ -1549,6 +1573,7 @@ static int smu_hw_init(void *handle) smu_dpm_set_vcn_enable(smu, true); smu_dpm_set_jpeg_enable(smu, true); smu_dpm_set_vpe_enable(smu, true); + smu_dpm_set_umsch_mm_enable(smu, true); smu_set_gfx_cgpg(smu, true); } @@ -1726,6 +1751,7 @@ static int smu_hw_fini(void *handle) smu_dpm_set_vcn_enable(smu, false); smu_dpm_set_jpeg_enable(smu, false); smu_dpm_set_vpe_enable(smu, false); + smu_dpm_set_umsch_mm_enable(smu, false); adev->vcn.cur_state = AMD_PG_STATE_GATE; adev->jpeg.cur_state = AMD_PG_STATE_GATE; diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 190a2ce38ac1..1454eed76604 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -375,6 +375,7 @@ struct smu_power_gate { atomic_t vcn_gated; atomic_t jpeg_gated; atomic_t vpe_gated; + atomic_t umsch_mm_gated; }; struct smu_power_context { |