diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-08-27 18:22:21 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-08-27 18:22:21 -0400 |
| commit | 966ac1be81da76c8aa4ea46b63f3ca5358a2c021 (patch) | |
| tree | 6d4ef017f6f43a15dfee56a34072952a6a54b246 | |
| parent | 91f707d308d4bbf16c3d62d046cf280fef5a8f4c (diff) | |
evergreen: work around bad data in some i2c tables
The 7th entry in a lot of evergreen i2c gpio tables is partially
zeroed. Fix the entry.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
| -rw-r--r-- | src/radeon_atombios.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/radeon_atombios.c b/src/radeon_atombios.c index 61b5372b..27231cde 100644 --- a/src/radeon_atombios.c +++ b/src/radeon_atombios.c @@ -1538,6 +1538,19 @@ RADEONLookupGPIOLineForDDC(ScrnInfoPtr pScrn, uint8_t id) for (i = 0; i < num_indices; i++) { gpio = &atomDataPtr->GPIO_I2C_Info->asGPIO_Info[i]; + + if (IS_DCE4_VARIANT) { + if ((i == 7) && + (gpio->usClkMaskRegisterIndex == 0x1936) && + (gpio->sucI2cId.ucAccess == 0)) { + gpio->sucI2cId.ucAccess = 0x97; + gpio->ucDataMaskShift = 8; + gpio->ucDataEnShift = 8; + gpio->ucDataY_Shift = 8; + gpio->ucDataA_Shift = 8; + } + } + if (gpio->sucI2cId.ucAccess == id) { i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4; i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4; |