1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index e997ebbe43ea..def1010ac05e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -115,6 +115,26 @@ void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
         pr_cont("\n");
 }
 
+void amdgpu_dpm_get_active_displays(struct amdgpu_device *adev)
+{
+        struct drm_device *ddev = adev->ddev;
+        struct drm_crtc *crtc;
+        struct amdgpu_crtc *amdgpu_crtc;
+
+        adev->pm.dpm.new_active_crtcs = 0;
+        adev->pm.dpm.new_active_crtc_count = 0;
+        if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
+                list_for_each_entry(crtc,
+                                    &ddev->mode_config.crtc_list, head) {
+                        amdgpu_crtc = to_amdgpu_crtc(crtc);
+                        if (amdgpu_crtc->enabled) {
+                                adev->pm.dpm.new_active_crtcs |= (1 << amdgpu_crtc->crtc_id);
+                                adev->pm.dpm.new_active_crtc_count++;
+                        }
+                }
+        }
+}
+
 
 u32 amdgpu_dpm_get_vblank_time(struct amdgpu_device *adev)
 {