[DPU PATCH v2 06/14] drm/msm/dpu: remove stale encoder code

[Sravanthi Kollukuduru <skolluku-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

From: Jeykumar Sankaran <jsanka@codeaurora.org>

Remove helper function used only by writeback
connectors to trigger final flush before disabling.
Now that write back connectors are stripped down,
the helper is not used.

changes in v2:
     - none

Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
Signed-off-by: Sravanthi Kollukuduru <skolluku@codeaurora.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c      | 64 ------------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h |  9 ----
 2 files changed, 73 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index e98cf70..9f2bd47 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1927,70 +1927,6 @@ void dpu_encoder_kickoff(struct drm_encoder *drm_enc)
 	DPU_ATRACE_END("encoder_kickoff");
 }
 
-int dpu_encoder_helper_hw_release(struct dpu_encoder_phys *phys_enc,
-		struct drm_framebuffer *fb)
-{
-	struct drm_encoder *drm_enc;
-	struct dpu_hw_mixer_cfg mixer;
-	struct dpu_rm_hw_iter lm_iter;
-	bool lm_valid = false;
-
-	if (!phys_enc || !phys_enc->parent) {
-		DPU_ERROR("invalid encoder\n");
-		return -EINVAL;
-	}
-
-	drm_enc = phys_enc->parent;
-	memset(&mixer, 0, sizeof(mixer));
-
-	/* reset associated CTL/LMs */
-	if (phys_enc->hw_ctl->ops.clear_pending_flush)
-		phys_enc->hw_ctl->ops.clear_pending_flush(phys_enc->hw_ctl);
-	if (phys_enc->hw_ctl->ops.clear_all_blendstages)
-		phys_enc->hw_ctl->ops.clear_all_blendstages(phys_enc->hw_ctl);
-
-	dpu_rm_init_hw_iter(&lm_iter, drm_enc->base.id, DPU_HW_BLK_LM);
-	while (dpu_rm_get_hw(&phys_enc->dpu_kms->rm, &lm_iter)) {
-		struct dpu_hw_mixer *hw_lm = (struct dpu_hw_mixer *)lm_iter.hw;
-
-		if (!hw_lm)
-			continue;
-
-		/* need to flush LM to remove it */
-		if (phys_enc->hw_ctl->ops.get_bitmask_mixer &&
-				phys_enc->hw_ctl->ops.update_pending_flush)
-			phys_enc->hw_ctl->ops.update_pending_flush(
-					phys_enc->hw_ctl,
-					phys_enc->hw_ctl->ops.get_bitmask_mixer(
-					phys_enc->hw_ctl, hw_lm->idx));
-
-		if (fb) {
-			/* assume a single LM if targeting a frame buffer */
-			if (lm_valid)
-				continue;
-
-			mixer.out_height = fb->height;
-			mixer.out_width = fb->width;
-
-			if (hw_lm->ops.setup_mixer_out)
-				hw_lm->ops.setup_mixer_out(hw_lm, &mixer);
-		}
-
-		lm_valid = true;
-
-		/* only enable border color on LM */
-		if (phys_enc->hw_ctl->ops.setup_blendstage)
-			phys_enc->hw_ctl->ops.setup_blendstage(
-					phys_enc->hw_ctl, hw_lm->idx, NULL);
-	}
-
-	if (!lm_valid) {
-		DPU_DEBUG_ENC(to_dpu_encoder_virt(drm_enc), "lm not found\n");
-		return -EFAULT;
-	}
-	return 0;
-}
-
 void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
 {
 	struct dpu_encoder_virt *dpu_enc;
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 15459be..71a037b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -403,15 +403,6 @@ void dpu_encoder_helper_split_config(
 		enum dpu_intf interface);
 
 /**
- * dpu_encoder_helper_hw_release - prepare for h/w reset during disable
- * @phys_enc: Pointer to physical encoder structure
- * @fb: Optional fb for specifying new mixer output resolution, may be NULL
- * Return: Zero on success
- */
-int dpu_encoder_helper_hw_release(struct dpu_encoder_phys *phys_enc,
-		struct drm_framebuffer *fb);
-
-/**
  * dpu_encoder_helper_report_irq_timeout - utility to report error that irq has
  *	timed out, including reporting frame error event to crtc and debug dump
  * @phys_enc: Pointer to physical encoder structure
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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