Commit 3935ec4a authored by Leo Li's avatar Leo Li Committed by Harry Wentland

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: default avatarLeo Li <sunpeng.li@amd.com>
Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarHarry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190723232808.28128-2-sunpeng.li@amd.com
parent 0005cbda
...@@ -82,8 +82,7 @@ static struct drm_dp_aux_dev *alloc_drm_dp_aux_dev(struct drm_dp_aux *aux) ...@@ -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); kref_init(&aux_dev->refcount);
mutex_lock(&aux_idr_mutex); mutex_lock(&aux_idr_mutex);
index = idr_alloc_cyclic(&aux_idr, aux_dev, 0, DRM_AUX_MINORS, index = idr_alloc(&aux_idr, aux_dev, 0, DRM_AUX_MINORS, GFP_KERNEL);
GFP_KERNEL);
mutex_unlock(&aux_idr_mutex); mutex_unlock(&aux_idr_mutex);
if (index < 0) { if (index < 0) {
kfree(aux_dev); kfree(aux_dev);
......
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