diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-11-11 13:12:24 -0500 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-11-11 13:12:24 -0500 |
| commit | 2af2744c80f3307e6d84edba9479be5bd36e1d03 (patch) | |
| tree | dc5ea236db2318f5d92c7a88714d577204007ed6 /src/radeon_bios.c | |
| parent | f17657fdc83d8f4c0386d2c7dade98de5b94acbe (diff) | |
radeon: fix support for external tmds on some legacy chips
Should fix bug 11801.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'src/radeon_bios.c')
| -rw-r--r-- | src/radeon_bios.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/src/radeon_bios.c b/src/radeon_bios.c index f19d9297..d066edce 100644 --- a/src/radeon_bios.c +++ b/src/radeon_bios.c @@ -533,6 +533,11 @@ static void RADEONApplyLegacyQuirks(ScrnInfoPtr pScrn, int index) info->BiosConnector[index].ddc_i2c.get_data_reg = RADEON_LCD_GPIO_Y_REG; } + /* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */ + if ((IS_R300_VARIANT) && + info->BiosConnector[index].ddc_i2c.mask_clk_reg == RADEON_GPIO_CRT2_DDC) + info->BiosConnector[index].ddc_i2c = legacy_setup_i2c_bus(RADEON_GPIO_DVI_DDC); + /* Certain IBM chipset RN50s have a BIOS reporting two VGAs, one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */ if (info->Chipset == PCI_CHIP_RN50_515E && @@ -1301,7 +1306,6 @@ RADEONLookupI2CBlock(ScrnInfoPtr pScrn, int id) for (i = 0; i < blocks; i++) { int i2c_id = RADEON_BIOS8(offset + 3 + (i * 5) + 0); if (id == i2c_id) { - int reg = RADEON_BIOS16(offset + 3 + (i * 5) + 1) * 4; int clock_shift = RADEON_BIOS8(offset + 3 + (i * 5) + 3); int data_shift = RADEON_BIOS8(offset + 3 + (i * 5) + 4); @@ -1313,14 +1317,14 @@ RADEONLookupI2CBlock(ScrnInfoPtr pScrn, int id) i2c.put_data_mask = (1 << data_shift); i2c.get_clk_mask = (1 << clock_shift); i2c.get_data_mask = (1 << data_shift); - i2c.mask_clk_reg = reg; - i2c.mask_data_reg = reg; - i2c.a_clk_reg = reg; - i2c.a_data_reg = reg; - i2c.put_clk_reg = reg; - i2c.put_data_reg = reg; - i2c.get_clk_reg = reg; - i2c.get_data_reg = reg; + i2c.mask_clk_reg = RADEON_GPIOPAD_MASK; + i2c.mask_data_reg = RADEON_GPIOPAD_MASK; + i2c.a_clk_reg = RADEON_GPIOPAD_A; + i2c.a_data_reg = RADEON_GPIOPAD_A; + i2c.put_clk_reg = RADEON_GPIOPAD_EN; + i2c.put_data_reg = RADEON_GPIOPAD_EN; + i2c.get_clk_reg = RADEON_LCD_GPIO_Y_REG; + i2c.get_data_reg = RADEON_LCD_GPIO_Y_REG; i2c.valid = TRUE; break; } @@ -1384,6 +1388,10 @@ Bool RADEONGetExtTMDSInfoFromBIOS (ScrnInfoPtr pScrn, radeon_dvo_ptr dvo) } } } + } else { + dvo->dvo_i2c_slave_addr = 0x70; + dvo->dvo_i2c = RADEONLookupI2CBlock(pScrn, 136); + info->ext_tmds_chip = RADEON_SIL_164; } } else { offset = RADEON_BIOS16(info->ROMHeaderStart + 0x58); @@ -1402,9 +1410,12 @@ Bool RADEONGetExtTMDSInfoFromBIOS (ScrnInfoPtr pScrn, radeon_dvo_ptr dvo) dvo->dvo_i2c = legacy_setup_i2c_bus(RADEON_GPIO_DVI_DDC); else if (gpio_reg == 3) dvo->dvo_i2c = legacy_setup_i2c_bus(RADEON_GPIO_VGA_DDC); - else if (gpio_reg == 4) - dvo->dvo_i2c = legacy_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); - else if (gpio_reg == 5) { + else if (gpio_reg == 4) { + if (IS_R300_VARIANT) + dvo->dvo_i2c = legacy_setup_i2c_bus(RADEON_GPIO_MONID); + else + dvo->dvo_i2c = legacy_setup_i2c_bus(RADEON_GPIO_CRT2_DDC); + } else if (gpio_reg == 5) { xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "unsupported MM gpio_reg\n"); return FALSE; |