cz_enable_gfx_cg_power_gating 5403 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 		cz_enable_gfx_cg_power_gating(adev, true);
cz_enable_gfx_cg_power_gating 5407 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 		cz_enable_gfx_cg_power_gating(adev, false);