DDIA_CNTL         503 drivers/gpu/drm/radeon/r600_hdmi.c 				WREG32_OR(DDIA_CNTL, DDIA_HDMI_EN);
DDIA_CNTL         506 drivers/gpu/drm/radeon/r600_hdmi.c 				WREG32_AND(DDIA_CNTL, ~DDIA_HDMI_EN);