drm/amdgpu: introduce an interface to get clock gating status dynamically

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

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 0345fbbfff4e..c63e5d3a902c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1365,6 +1365,10 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
         struct drm_device *dev = node->minor->dev;
         struct amdgpu_device *adev = dev->dev_private;
         struct drm_device *ddev = adev->ddev;
+        u32 flags = 0;
+
+        amdgpu_get_clockgating_state(adev, &flags);
+        seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags);
 
         if (!adev->pm.dpm_enabled) {
                 seq_printf(m, "dpm not enabled\n");