Re: [PATCH v2 12/13] drm/msm/dpu: drop dpu_encoder_phys_ops::destroy

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On 7/7/2023 4:12 PM, Dmitry Baryshkov wrote:
Drop the dpu_encoder_phys_ops' destroy() callback. No phys backend
implements it anymore, so it is useless.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

Reviewed-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>

---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c    | 18 ------------------
  .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h   |  2 --
  2 files changed, 20 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 7c2cd9ce8acd..b42176ce4a3a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -456,24 +456,6 @@ static void dpu_encoder_destroy(struct drm_encoder *drm_enc)
  	dpu_enc = to_dpu_encoder_virt(drm_enc);
  	DPU_DEBUG_ENC(dpu_enc, "\n");
- mutex_lock(&dpu_enc->enc_lock);
-
-	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
-		struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
-
-		if (phys->ops.destroy) {
-			phys->ops.destroy(phys);
-			--dpu_enc->num_phys_encs;
-			dpu_enc->phys_encs[i] = NULL;
-		}
-	}
-
-	if (dpu_enc->num_phys_encs)
-		DPU_ERROR_ENC(dpu_enc, "expected 0 num_phys_encs not %d\n",
-				dpu_enc->num_phys_encs);
-	dpu_enc->num_phys_encs = 0;
-	mutex_unlock(&dpu_enc->enc_lock);
-
  	drm_encoder_cleanup(drm_enc);
  	mutex_destroy(&dpu_enc->enc_lock);
  }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index 4fb0d95f3061..757ce58f958b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -72,7 +72,6 @@ struct dpu_encoder_phys;
   * @enable:			DRM Call. Enable a DRM mode.
   * @disable:			DRM Call. Disable mode.
   * @atomic_check:		DRM Call. Atomic check new DRM state.
- * @destroy:			DRM Call. Destroy and release resources.
   * @control_vblank_irq		Register/Deregister for VBLANK IRQ
   * @wait_for_commit_done:	Wait for hardware to have flushed the
   *				current pending frames to hardware
@@ -102,7 +101,6 @@ struct dpu_encoder_phys_ops {
  	int (*atomic_check)(struct dpu_encoder_phys *encoder,
  			    struct drm_crtc_state *crtc_state,
  			    struct drm_connector_state *conn_state);
-	void (*destroy)(struct dpu_encoder_phys *encoder);
  	int (*control_vblank_irq)(struct dpu_encoder_phys *enc, bool enable);
  	int (*wait_for_commit_done)(struct dpu_encoder_phys *phys_enc);
  	int (*wait_for_tx_complete)(struct dpu_encoder_phys *phys_enc);
--
2.39.2




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