drm/msm/dpu: drop DPU_PLANE_QOS_VBLANK_CTRL

Drop support for DPU_PLANE_QOS_VBLANK_CTRL flag. It is not used both
in upstream driver and in vendor SDE driver.
Reviewed-by: Jeykumar Sankaran <quic_jeykumar@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/537907/
Link: https://lore.kernel.org/r/20230518222238.3815293-6-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h

@@ -374,8 +374,6 @@ struct dpu_caps {
 /**
  * struct dpu_sspp_sub_blks : SSPP sub-blocks
  * common: Pointer to common configurations shared by sub blocks
- * @creq_vblank: creq priority during vertical blanking
- * @danger_vblank: danger priority during vertical blanking
  * @maxdwnscale: max downscale ratio supported(without DECIMATION)
  * @maxupscale:  maxupscale ratio supported
  * @smart_dma_priority: hw priority of rect1 of multirect pipe
@@ -390,8 +388,6 @@ struct dpu_caps {
  * @dpu_rotation_cfg: inline rotation configuration
  */
 struct dpu_sspp_sub_blks {
-	u32 creq_vblank;
-	u32 danger_vblank;
 	u32 maxdwnscale;
 	u32 maxupscale;
 	u32 smart_dma_priority;

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c

@@ -695,14 +695,6 @@ int _dpu_hw_sspp_init_debugfs(struct dpu_hw_sspp *hw_pipe, struct dpu_kms *kms,
 			0400,
 			debugfs_root,
 			(u32 *) &cfg->clk_ctrl);
-	debugfs_create_x32("creq_vblank",
-			0600,
-			debugfs_root,
-			(u32 *) &sblk->creq_vblank);
-	debugfs_create_x32("danger_vblank",
-			0600,
-			debugfs_root,
-			(u32 *) &sblk->danger_vblank);
 
 	return 0;
 }

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

@@ -73,13 +73,11 @@ static const uint32_t qcom_compressed_supported_formats[] = {
 /**
  * enum dpu_plane_qos - Different qos configurations for each pipe
  *
- * @DPU_PLANE_QOS_VBLANK_CTRL: Setup VBLANK qos for the pipe.
  * @DPU_PLANE_QOS_VBLANK_AMORTIZE: Enables Amortization within pipe.
  *	this configuration is mutually exclusive from VBLANK_CTRL.
  * @DPU_PLANE_QOS_PANIC_CTRL: Setup panic for the pipe.
  */
 enum dpu_plane_qos {
-	DPU_PLANE_QOS_VBLANK_CTRL = BIT(0),
 	DPU_PLANE_QOS_VBLANK_AMORTIZE = BIT(1),
 	DPU_PLANE_QOS_PANIC_CTRL = BIT(2),
 };
@@ -361,15 +359,7 @@ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
 
 	memset(&pipe_qos_cfg, 0, sizeof(pipe_qos_cfg));
 
-	if (flags & DPU_PLANE_QOS_VBLANK_CTRL) {
-		pipe_qos_cfg.creq_vblank = pipe->sspp->cap->sblk->creq_vblank;
-		pipe_qos_cfg.danger_vblank =
-				pipe->sspp->cap->sblk->danger_vblank;
-		pipe_qos_cfg.vblank_en = enable;
-	}
-
 	if (flags & DPU_PLANE_QOS_VBLANK_AMORTIZE) {
-		/* this feature overrules previous VBLANK_CTRL */
 		pipe_qos_cfg.vblank_en = false;
 		pipe_qos_cfg.creq_vblank = 0; /* clear vblank bits */
 	}