On 12/1/2021 2:26 PM, Dmitry Baryshkov wrote:
DRM code handles removing all debugfs recursively. Drop CRTC-specific
code to perform that.

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhin...@quicinc.com>
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 15 ++++-----------
  drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h |  3 ---
  2 files changed, 4 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index d290809d59bd..9899f7424131 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1424,15 +1424,16 @@ DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_state);
  static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
  {
        struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
+       struct dentry *debugfs_root;
- dpu_crtc->debugfs_root = debugfs_create_dir(dpu_crtc->name,
+       debugfs_root = debugfs_create_dir(dpu_crtc->name,
                        crtc->dev->primary->debugfs_root);
debugfs_create_file("status", 0400,
-                       dpu_crtc->debugfs_root,
+                       debugfs_root,
                        dpu_crtc, &_dpu_debugfs_status_fops);
        debugfs_create_file("state", 0600,
-                       dpu_crtc->debugfs_root,
+                       debugfs_root,
                        &dpu_crtc->base,
                        &dpu_crtc_debugfs_state_fops);
@@ -1450,13 +1451,6 @@ static int dpu_crtc_late_register(struct drm_crtc *crtc)
        return _dpu_crtc_init_debugfs(crtc);
  }
-static void dpu_crtc_early_unregister(struct drm_crtc *crtc)
-{
-       struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc);
-
-       debugfs_remove_recursive(dpu_crtc->debugfs_root);
-}
-
  static const struct drm_crtc_funcs dpu_crtc_funcs = {
        .set_config = drm_atomic_helper_set_config,
        .destroy = dpu_crtc_destroy,
@@ -1465,7 +1459,6 @@ static const struct drm_crtc_funcs dpu_crtc_funcs = {
        .atomic_duplicate_state = dpu_crtc_duplicate_state,
        .atomic_destroy_state = dpu_crtc_destroy_state,
        .late_register = dpu_crtc_late_register,
-       .early_unregister = dpu_crtc_early_unregister,
        .verify_crc_source = dpu_crtc_verify_crc_source,
        .set_crc_source = dpu_crtc_set_crc_source,
        .enable_vblank  = msm_crtc_enable_vblank,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
index 4328e133d71c..b8785c394fcc 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
@@ -129,7 +129,6 @@ struct dpu_crtc_frame_event {
   * @drm_requested_vblank : Whether vblanks have been enabled in the encoder
   * @property_info : Opaque structure for generic property support
   * @property_defaults : Array of default values for generic property support
- * @debugfs_root  : Parent of debugfs node
   * @vblank_cb_count : count of vblank callback since last reset
   * @play_count    : frame count between crtc enable and disable
   * @vblank_cb_time  : ktime at vblank count reset
@@ -160,8 +159,6 @@ struct dpu_crtc {
        struct drm_pending_vblank_event *event;
        u32 vsync_count;
- struct dentry *debugfs_root;
-
        u32 vblank_cb_count;
        u64 play_count;
        ktime_t vblank_cb_time;

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