drm/amd/powerplay: support VCN powergate status retrieval for SW SMU

Commonly used for VCN powergate status retrieval for SW SMU.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 9de7b36..b1e0e2a 100644 (file)
--- 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;