diff options
Diffstat (limited to 'src/radeon_bios.c')
| -rw-r--r-- | src/radeon_bios.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/radeon_bios.c b/src/radeon_bios.c index a3efe29c..fa09aaed 100644 --- a/src/radeon_bios.c +++ b/src/radeon_bios.c @@ -221,17 +221,18 @@ static void RADEONApplyLegacyQuirks(ScrnInfoPtr pScrn, int index) { RADEONInfoPtr info = RADEONPTR (pScrn); - /* most XPRESS chips seem to specify DDC_CRT2 for their - * VGA DDC port, however DDC never seems to work on that - * port. Some have reported success on DDC_MONID, so - * lets see what happens with that. + /* on XPRESS chips, CRT2_DDC and MONID_DCC both use the + * MONID gpio, but use different pins. + * CRT2_DDC uses the standard pinout, MONID_DDC uses + * something else. */ - if (info->ChipFamily == CHIP_FAMILY_RS400 && + if ((info->ChipFamily == CHIP_FAMILY_RS400 || + info->ChipFamily == CHIP_FAMILY_RS480) && info->BiosConnector[index].ConnectorType == CONNECTOR_VGA && info->BiosConnector[index].ddc_i2c.mask_clk_reg == RADEON_GPIO_CRT2_DDC) { info->BiosConnector[index].ddc_i2c = legacy_setup_i2c_bus(RADEON_GPIO_MONID); } - + /* XPRESS desktop chips seem to have a proprietary connector listed for * DVI-D, try and do the right thing here. */ |