[PATCH 15/30] drm/amd/powerplay: support VCN powergate status retrieval for SW SMU

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From: Evan Quan <evan.quan@xxxxxxx>

Commonly used for VCN powergate status retrieval for SW SMU.

Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Reviewed-by: Kenneth Feng <kenneth.feng@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 8ebfe41a4dc9..3f615d4624c7 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -424,6 +424,10 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
 		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_DPM_VCE_BIT) ? 1 : 0;
 		*size = 4;
 		break;
+	case AMDGPU_PP_SENSOR_VCN_POWER_STATE:
+		*(uint32_t *)data = smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT) ? 1 : 0;
+		*size = 4;
+		break;
 	default:
 		ret = -EINVAL;
 		break;
-- 
2.20.1

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