drm/amdgpu/pm: implement the SMU_MSG_EnableGfxImu function

GC v11_0_1 asic needs to issue the EnableGfxImu message after start IMU.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index d1bf073adf54..956b6ce81c84 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -107,6 +107,20 @@ int amdgpu_dpm_set_powergating_by_smu(struct amdgpu_device *adev, uint32_t block
 	return ret;
 }
 
+int amdgpu_dpm_set_gfx_power_up_by_imu(struct amdgpu_device *adev)
+{
+	struct smu_context *smu = adev->powerplay.pp_handle;
+	int ret = -EOPNOTSUPP;
+
+	mutex_lock(&adev->pm.mutex);
+	ret = smu_set_gfx_power_up_by_imu(smu);
+	mutex_unlock(&adev->pm.mutex);
+
+	msleep(10);
+
+	return ret;
+}
+
 int amdgpu_dpm_baco_enter(struct amdgpu_device *adev)
 {
 	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;