diff options
| author | Leo Li <sunpeng.li@amd.com> | 2019-07-24 02:28:00 +0300 |
|---|---|---|
| committer | Harry Wentland <harry.wentland@amd.com> | 2019-07-25 23:19:19 +0300 |
| commit | 3935ec4a1184a32696251d19d87849981f4d189d (patch) | |
| tree | c1b47aafbf38fc8054a1a16ba2346f073cdedb50 /drivers/gpu/drm/drm_dp_aux_dev.c | |
| parent | 0005cbda438fa846650ae52ce693eeaff6d16b92 (diff) | |
| download | linux-3935ec4a1184a32696251d19d87849981f4d189d.tar.xz | |
drm/dp: Use non-cyclic idr
In preparation for adding aux devices for DP MST, make the IDR
non-cyclic. That way, hotplug cycling MST devices won't needlessly
increment the minor version index.
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190723232808.28128-2-sunpeng.li@amd.com
Diffstat (limited to 'drivers/gpu/drm/drm_dp_aux_dev.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_aux_dev.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_dp_aux_dev.c b/drivers/gpu/drm/drm_dp_aux_dev.c index 5be28e3295f3..26e38dacf654 100644 --- a/drivers/gpu/drm/drm_dp_aux_dev.c +++ b/drivers/gpu/drm/drm_dp_aux_dev.c @@ -82,8 +82,7 @@ static struct drm_dp_aux_dev *alloc_drm_dp_aux_dev(struct drm_dp_aux *aux) kref_init(&aux_dev->refcount); mutex_lock(&aux_idr_mutex); - index = idr_alloc_cyclic(&aux_idr, aux_dev, 0, DRM_AUX_MINORS, - GFP_KERNEL); + index = idr_alloc(&aux_idr, aux_dev, 0, DRM_AUX_MINORS, GFP_KERNEL); mutex_unlock(&aux_idr_mutex); if (index < 0) { kfree(aux_dev); |