[PATCH 1/3] drm/amdgpu: add support to powerup VPE by SMU

[Alex Deucher <alexander.deucher@xxxxxxx>]

From: Lang Yu <Lang.Yu@xxxxxxx>

Powerup VPE by SMU.

Signed-off-by: Lang Yu <Lang.Yu@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/pm/amdgpu_dpm.c           |  1 +
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     | 29 +++++++++++++++++++
 drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h |  1 +
 3 files changed, 31 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 1b17a71ed45e..acf3527fff2d 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -93,6 +93,7 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block
 	case AMD_IP_BLOCK_TYPE_JPEG:
 	case AMD_IP_BLOCK_TYPE_GMC:
 	case AMD_IP_BLOCK_TYPE_ACP:
+	case AMD_IP_BLOCK_TYPE_VPE:
 		if (pp_funcs && pp_funcs->set_powergating_by_smu)
 			ret = (pp_funcs->set_powergating_by_smu(
 				(adev)->powerplay.pp_handle, block_type, gate));
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 0b4f9f2ca529..df513347cb73 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -279,6 +279,26 @@ static int smu_dpm_set_jpeg_enable(struct smu_context *smu,
 	return ret;
 }
 
+static int smu_dpm_set_vpe_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_vpe_enable)
+		return 0;
+
+	if (atomic_read(&power_gate->vpe_gated) ^ enable)
+		return 0;
+
+	ret = smu->ppt_funcs->dpm_set_vpe_enable(smu, enable);
+	if (!ret)
+		atomic_set(&power_gate->vpe_gated, !enable);
+
+	return ret;
+}
+
 /**
  * smu_dpm_set_power_gate - power gate/ungate the specific IP block
  *
@@ -337,6 +357,12 @@ static int smu_dpm_set_power_gate(void *handle,
 			dev_err(smu->adev->dev, "Failed to power %s JPEG!\n",
 				gate ? "gate" : "ungate");
 		break;
+	case AMD_IP_BLOCK_TYPE_VPE:
+		ret = smu_dpm_set_vpe_enable(smu, !gate);
+		if (ret)
+			dev_err(smu->adev->dev, "Failed to power %s VPE!\n",
+				gate ? "gate" : "ungate");
+		break;
 	default:
 		dev_err(smu->adev->dev, "Unsupported block type!\n");
 		return -EINVAL;
@@ -1169,6 +1195,7 @@ 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);
 
 	smu->workload_mask = 1 << smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT];
 	smu->workload_prority[PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT] = 0;
@@ -1521,6 +1548,7 @@ static int smu_hw_init(void *handle)
 			return ret;
 		smu_dpm_set_vcn_enable(smu, true);
 		smu_dpm_set_jpeg_enable(smu, true);
+		smu_dpm_set_vpe_enable(smu, true);
 		smu_set_gfx_cgpg(smu, true);
 	}
 
@@ -1697,6 +1725,7 @@ 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);
 
 	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 72d632be0ee6..c8cd4e3a3d3b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -374,6 +374,7 @@ struct smu_power_gate {
 	bool vce_gated;
 	atomic_t vcn_gated;
 	atomic_t jpeg_gated;
+	atomic_t vpe_gated;
 };
 
 struct smu_power_context {
-- 
2.41.0