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drm/amdgpu: add support to power up/down UMSCH by SMU

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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>
This commit is contained in:
Lang Yu
2023-06-02 08:39:36 +08:00
committed by Alex Deucher
parent 56d3de7da6
commit e4deccc1d1
2 changed files with 27 additions and 0 deletions
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26
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View File

@@ -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;

1
drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
View File

@@ -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 {