diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c index f0765ccde668..9cb72f0c5277 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c @@ -24,7 +24,6 @@ * Alex Deucher */ -#include <linux/export.h> #include <linux/pci.h> #include <drm/drm_edid.h> @@ -185,7 +184,7 @@ struct amdgpu_i2c_chan *amdgpu_i2c_create(struct drm_device *dev, snprintf(i2c->adapter.name, sizeof(i2c->adapter.name), "AMDGPU i2c hw bus %s", name); i2c->adapter.algo = &amdgpu_atombios_i2c_algo; - ret = i2c_add_adapter(&i2c->adapter); + ret = devm_i2c_add_adapter(dev->dev, &i2c->adapter); if (ret) goto out_free; } else { @@ -216,13 +215,23 @@ out_free: } -void amdgpu_i2c_destroy(struct amdgpu_i2c_chan *i2c) +void amdgpu_i2c_init(struct amdgpu_device *adev) { - if (!i2c) - return; - WARN_ON(i2c->has_aux); - i2c_del_adapter(&i2c->adapter); - kfree(i2c); + 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 */ @@ -230,12 +239,9 @@ void amdgpu_i2c_fini(struct amdgpu_device *adev) { int i; - for (i = 0; i < AMDGPU_MAX_I2C_BUS; i++) { - if (adev->i2c_bus[i]) { - amdgpu_i2c_destroy(adev->i2c_bus[i]); + for (i = 0; i < AMDGPU_MAX_I2C_BUS; i++) + if (adev->i2c_bus[i]) adev->i2c_bus[i] = NULL; - } - } } /* looks up bus based on id */ |