diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-03-17 07:07:37 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-03-31 06:55:52 +0200 |
| commit | e2b0a8e1e697dbcd62574a32f4f96151d21bdd36 (patch) | |
| tree | f01af37a48144020bcdd9fdc0cbf6c381c5b316b /drivers/gpu/drm/radeon/radeon_i2c.c | |
| parent | drm/radeon/kms: use new pre/post_xfer i2c bit algo hooks (diff) | |
| download | linux-e2b0a8e1e697dbcd62574a32f4f96151d21bdd36.tar.xz linux-e2b0a8e1e697dbcd62574a32f4f96151d21bdd36.zip | |
drm/radeon/kms: add hw_i2c module option
Turn off hw i2c by default except for mm i2c which
is hw only until we sort out the remaining prescale
issues on older chips. hw i2c can be enabled with
hw_i2c=1.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_i2c.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 352110fd68f6..5def6f5dff38 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -879,9 +879,11 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev, i2c->adapter.owner = THIS_MODULE; i2c->dev = dev; i2c_set_adapdata(&i2c->adapter, i2c); - if (rec->hw_capable && - ((rdev->family <= CHIP_RS480) || - ((rdev->family >= CHIP_RV515) && (rdev->family <= CHIP_R580)))) { + if (rec->mm_i2c || + (rec->hw_capable && + radeon_hw_i2c && + ((rdev->family <= CHIP_RS480) || + ((rdev->family >= CHIP_RV515) && (rdev->family <= CHIP_R580))))) { /* set the radeon hw i2c adapter */ sprintf(i2c->adapter.name, "Radeon i2c hw bus %s", name); i2c->adapter.algo = &radeon_i2c_algo; |