diff options
Diffstat (limited to 'linux-core/radeon_combios.c')
| -rw-r--r-- | linux-core/radeon_combios.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/linux-core/radeon_combios.c b/linux-core/radeon_combios.c index 56116463..02f7335f 100644 --- a/linux-core/radeon_combios.c +++ b/linux-core/radeon_combios.c @@ -460,6 +460,36 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) return false; } +bool radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_radeon_private *dev_priv = dev->dev_private; + uint16_t dac_info; + uint8_t rev, bg, dac; + + /* check CRT table */ + dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE); + if (dac_info) { + rev = radeon_bios8(dev_priv, dac_info) & 0x3; + if (rev < 2) { + bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf; + dac = (radeon_bios8(dev_priv, dac_info + 0x2) >> 4) & 0xf; + encoder->ps2_pdac_adj = (bg << 8) | (dac); + + return true; + } else { + bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf; + dac = radeon_bios8(dev_priv, dac_info + 0x3) & 0xf; + encoder->ps2_pdac_adj = (bg << 8) | (dac); + + return true; + } + + } + + return false; +} + bool radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder) { struct drm_device *dev = encoder->base.dev; @@ -908,7 +938,7 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) dev_priv->chip_family == CHIP_RS480) { uint16_t lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE); if (lcd_info) { - uint16_t lcd_ddc_info = lcd_ddc_info = combios_get_table_offset(dev, COMBIOS_LCD_DDC_INFO_TABLE); + uint16_t lcd_ddc_info = combios_get_table_offset(dev, COMBIOS_LCD_DDC_INFO_TABLE); mode_info->bios_connector[4].valid = true; mode_info->bios_connector[4].connector_type = CONNECTOR_LVDS; |