This patch will make SMU send msg to IMU for the front-door loading, it is
required by some ASICs.
Signed-off-by: Yifan Zhang <yifan1.zhang@xxxxxxx>
Signed-off-by: Xiaojian Du <Xiaojian.Du@xxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 6d9b3c6af164..79c01fa4b875 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1360,6 +1360,14 @@ static int smu_hw_init(void *handle)
return ret;
}
+ if (smu->ppt_funcs->set_gfx_power_up_by_imu) {
+ ret = smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
+ if (ret) {
+ dev_err(adev->dev, "Failed to Enable gfx imu!\n");
+ return ret;
+ }
+ }
+
if (smu->is_apu) {
smu_dpm_set_vcn_enable(smu, true);
smu_dpm_set_jpeg_enable(smu, true);
--
2.25.1
