diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-01-24 17:14:26 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2011-01-25 08:41:04 +1000 |
| commit | 58bbf018a70c562437eeae121a5d021ba7fe56a5 (patch) | |
| tree | 5a44a8c8f53710366e51208f63e86c3a441f256a /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | b526ce2264e93b64853478ae50725a30c1dc7abf (diff) | |
drm/radeon/kms: add new radeon_info ioctl query for clock crystal freq
Needed for timer queries in the 3D driver.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 28a53e4a925f..98321298cffd 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -201,6 +201,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value); break; + case RADEON_INFO_CLOCK_CRYSTAL_FREQ: + /* return clock value in KHz */ + value = rdev->clock.spll.reference_freq * 10; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; |