diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-14 15:33:34 +0530 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2011-12-14 15:33:34 +0530 |
| commit | 638bc555a05c39ced59744c79c0461536782808d (patch) | |
| tree | 42bf9c8cdfd44898be31bc31cf2e4743a2484cf4 /drivers/gpu/drm/radeon/radeon_atombios.c | |
| parent | f05a661e2247076a0c0e5a09ee8c4397b0de855e (diff) | |
| parent | caf4b0430be8296bf644199bf3ed3056c02420c7 (diff) | |
Merge branch 'linux-3.1.5' into android-tegra-nv-3.1
Conflicts:
arch/arm/Kconfig
Change-Id: If8aaaf3efcbbf6c9017b38efb6d76ef933f147fa
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_atombios.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index bf2b61584cdb..285acc4f1e1d 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -85,6 +85,18 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_dev for (i = 0; i < num_indices; i++) { gpio = &i2c_info->asGPIO_Info[i]; + /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */ + if ((rdev->family == CHIP_R420) || + (rdev->family == CHIP_R423) || + (rdev->family == CHIP_RV410)) { + if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) { + gpio->ucClkMaskShift = 0x19; + gpio->ucDataMaskShift = 0x18; + } + } + /* some evergreen boards have bad data for this entry */ if (ASIC_IS_DCE4(rdev)) { if ((i == 7) && @@ -169,6 +181,18 @@ void radeon_atombios_i2c_init(struct radeon_device *rdev) gpio = &i2c_info->asGPIO_Info[i]; i2c.valid = false; + /* r4xx mask is technically not used by the hw, so patch in the legacy mask bits */ + if ((rdev->family == CHIP_R420) || + (rdev->family == CHIP_R423) || + (rdev->family == CHIP_RV410)) { + if ((le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0018) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x0019) || + (le16_to_cpu(gpio->usClkMaskRegisterIndex) == 0x001a)) { + gpio->ucClkMaskShift = 0x19; + gpio->ucDataMaskShift = 0x18; + } + } + /* some evergreen boards have bad data for this entry */ if (ASIC_IS_DCE4(rdev)) { if ((i == 7) && |