diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c index 00d6211e0fbf..8179d0814db9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c @@ -225,13 +225,23 @@ void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c) kfree(i2c); } -/* Add the default buses */ void amdgpu_i2c_init(struct amdgpu_device *adev) { - if (amdgpu_hw_i2c) - DRM_INFO("hw_i2c forced on, you may experience display detection problems!\n"); - - amdgpu_atombios_i2c_init(adev); + if (!adev->is_atom_fw) { + if (!amdgpu_device_has_dc_support(adev)) { + amdgpu_atombios_i2c_init(adev); + } else { + switch (adev->asic_type) { + case CHIP_POLARIS10: + case CHIP_POLARIS11: + case CHIP_POLARIS12: + amdgpu_atombios_oem_i2c_init(adev, 0x97); + break; + default: + break; + } + } + } } /* remove all the buses */ @@ -247,22 +257,6 @@ void amdgpu_i2c_fini(struct amdgpu_device *adev) } } -/* Add additional buses */ -void amdgpu_i2c_add(struct amdgpu_device *adev, - const struct amdgpu_i2c_bus_rec *rec, - const char *name) -{ - struct drm_device *dev = adev_to_drm(adev); - int i; - - for (i = 0; i < AMDGPU_MAX_I2C_BUS; i++) { - if (!adev->i2c_bus[i]) { - adev->i2c_bus[i] = amdgpu_i2c_create(dev, rec, name); - return; - } - } -} - /* looks up bus based on id */ struct amdgpu_i2c_chan * amdgpu_i2c_lookup(struct amdgpu_device *adev, |