312 						      &radeon_connector->ddc_bus->aux.ddc);  in radeon_connector_get_edid()
321 							      &radeon_connector->ddc_bus->aux.ddc);  in radeon_connector_get_edid()
336 		/* don't fetch the edid from the vbios if ddc fails and runpm is  in radeon_connector_get_edid()
895 		/* don't fetch the edid from the vbios if ddc fails and runpm is  in radeon_lvds_detect()
1056 			 * with a shared ddc line (often vga + hdmi)  in radeon_vga_detect()
1233  * Do a DDC probe, if DDC probe passes, get the full EDID so
1235  * If the monitor is an analog monitor or we got no DDC,
1237  * If we got no DDC, we do load detection on the DAC encoder object.
1238  * If we got analog DDC or load detection passes on the DAC encoder
1275 		/* Sometimes the pins required for the DDC probe on DVI  in radeon_dvi_detect()
1277 		 * for HPD do. If the DDC probe fails even though we had an HPD  in radeon_dvi_detect()
1281 			DRM_DEBUG_KMS("hpd detected without ddc, retrying in 1 second\n");  in radeon_dvi_detect()
1301 				DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n",  in radeon_dvi_detect()
1313 			 * with a shared ddc line (often vga + hdmi)  in radeon_dvi_detect()
1322 			 * shared DDC line and we have boards with DVI-D + HDMI with a shared  in radeon_dvi_detect()
1323 			 * DDC line.  The latter is more complex because with DVI<->HDMI adapters  in radeon_dvi_detect()
1379 						/* deal with analog monitors without DDC */  in radeon_dvi_detect()
1554 			/* need to setup ddc on the bridge */  in radeon_dp_get_modes()
1588 		/* need to setup ddc on the bridge */  in radeon_dp_get_modes()
1690 			/* don't fetch the edid from the vbios if ddc fails and runpm is  in radeon_dp_detect()
1714 			/* setup ddc on the bridge */  in radeon_dp_detect()
1717 			if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */  in radeon_dp_detect()
1744 				/* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */  in radeon_dp_detect()
1874 	struct i2c_adapter *ddc = NULL;  in radeon_add_atom_connector()  local
1954 				ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
1956 				DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
1966 						    ddc);  in radeon_add_atom_connector()
1991 						    ddc);  in radeon_add_atom_connector()
2041 						    ddc);  in radeon_add_atom_connector()
2058 					DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2060 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2065 						    ddc);  in radeon_add_atom_connector()
2088 					DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2090 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2095 						    ddc);  in radeon_add_atom_connector()
2124 					DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2126 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2131 						    ddc);  in radeon_add_atom_connector()
2186 					DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2188 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2193 						    ddc);  in radeon_add_atom_connector()
2242 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2244 					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2250 						    ddc);  in radeon_add_atom_connector()
2297 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2299 					DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2305 						    ddc);  in radeon_add_atom_connector()
2320 						    ddc);  in radeon_add_atom_connector()
2343 					DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_atom_connector()
2345 					ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_atom_connector()
2350 						    ddc);  in radeon_add_atom_connector()
2395 	struct i2c_adapter *ddc = NULL;  in radeon_add_legacy_connector()  local
2433 				DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_legacy_connector()
2435 				ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_legacy_connector()
2440 					    ddc);  in radeon_add_legacy_connector()
2455 				DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_legacy_connector()
2457 				ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_legacy_connector()
2462 					    ddc);  in radeon_add_legacy_connector()
2478 				DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_legacy_connector()
2480 				ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_legacy_connector()
2485 					    ddc);  in radeon_add_legacy_connector()
2506 					    ddc);  in radeon_add_legacy_connector()
2531 				DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");  in radeon_add_legacy_connector()
2533 				ddc = &radeon_connector->ddc_bus->adapter;  in radeon_add_legacy_connector()
2538 					    ddc);  in radeon_add_legacy_connector()