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authorAlex Deucher <alexdeucher@gmail.com>2011-01-24 17:14:26 -0500
committerDave Airlie <airlied@gmail.com>2011-01-25 08:41:04 +1000
commit58bbf018a70c562437eeae121a5d021ba7fe56a5 (patch)
tree5a44a8c8f53710366e51208f63e86c3a441f256a /drivers/gpu/drm/radeon/radeon_kms.c
parentb526ce2264e93b64853478ae50725a30c1dc7abf (diff)
downloadlinux-linaro-android-58bbf018a70c562437eeae121a5d021ba7fe56a5.tar.gz
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.c4
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 28a53e4a925..98321298cff 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;