drm/amd/powerplay: add sensor lock support for smu

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / powerplay / amdgpu_smu.c

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 33960fb..4acf139 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -843,6 +843,8 @@ static int smu_sw_init(void *handle)
        smu->smu_baco.state = SMU_BACO_STATE_EXIT;
        smu->smu_baco.platform_support = false;
 
+       mutex_init(&smu->sensor_lock);
+
        smu->watermarks_bitmap = 0;
        smu->power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;
        smu->default_power_profile_mode = PP_SMC_POWER_PROFILE_BOOTUP_DEFAULT;