Symbol: amdgpu_dm_crtc_set_vblank
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
417
return amdgpu_dm_crtc_set_vblank(crtc, true);
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
422
amdgpu_dm_crtc_set_vblank(crtc, false);