Fixes i2c test failures when i2c_algo_bit.bit_test=1. The hw doesn't actually require a mask, so just set it to the default mask bits for r1xx-r4xx radeon ddc. I missed this part the first time through.
Unified · Split
| @@ -181,6 +181,18 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev) · 180 unmodified lines | ||
| 181 | 181 | gpio = &i2c_info->asGPIO_Info[i]; |
| 182 | 182 | i2c.valid = false; |
| 183 | 183 | |
| 184 | + /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */ | |
| 185 | + if ((rdev->family == CHIP_R420) || | |
| 186 | + (rdev->family == CHIP_R423) || | |
| 187 | + (rdev->family == CHIP_RV410)) { | |
| 188 | + if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) || | |
| 189 | + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) || | |
| 190 | + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) { | |
| 191 | + gpio->ucClkMaskShift = 0x19; | |
| 192 | + gpio->ucDataMaskShift = 0x18; | |
| 193 | + } | |
| 194 | + } | |
| 195 | + | |
| 184 | 196 | /* some evergreen boards have bad data for this entry */ |
| 185 | 197 | if (ASIC_IS_DCE4(rdev)) { |
| 186 | 198 | if ((i == 7) && |