drm/msm/dpu: move setup_force_clk_ctrl handling into plane and wb

Now SSPP and WB can have setup_force_clk_ctrl() ops, it's simpler to call
them from the plane and wb code and call into the mdp ops if not present.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/562325/Signed-off-by: Rob Clark <robdclark@chromium.org>

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

@@ -34,6 +34,23 @@ static bool dpu_encoder_phys_wb_is_master(struct dpu_encoder_phys *phys_enc)
 	return true;
 }
 
+static bool _dpu_encoder_phys_wb_clk_force_ctrl(struct dpu_hw_wb *wb,
+						struct dpu_hw_mdp *mdp,
+						bool enable, bool *forced_on)
+{
+	if (wb->ops.setup_clk_force_ctrl) {
+		*forced_on = wb->ops.setup_clk_force_ctrl(wb, enable);
+		return true;
+	}
+
+	if (mdp->ops.setup_clk_force_ctrl) {
+		*forced_on = mdp->ops.setup_clk_force_ctrl(mdp, wb->caps->clk_ctrl, enable);
+		return true;
+	}
+
+	return false;
+}
+
 /**
  * dpu_encoder_phys_wb_set_ot_limit - set OT limit for writeback interface
  * @phys_enc:	Pointer to physical encoder
@@ -43,6 +60,7 @@ static void dpu_encoder_phys_wb_set_ot_limit(
 {
 	struct dpu_hw_wb *hw_wb = phys_enc->hw_wb;
 	struct dpu_vbif_set_ot_params ot_params;
+	bool forced_on = false;
 
 	memset(&ot_params, 0, sizeof(ot_params));
 	ot_params.xin_id = hw_wb->caps->xin_id;
@@ -52,10 +70,17 @@ static void dpu_encoder_phys_wb_set_ot_limit(
 	ot_params.is_wfd = true;
 	ot_params.frame_rate = drm_mode_vrefresh(&phys_enc->cached_mode);
 	ot_params.vbif_idx = hw_wb->caps->vbif_idx;
-	ot_params.clk_ctrl = hw_wb->caps->clk_ctrl;
 	ot_params.rd = false;
 
+	if (!_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+						 true, &forced_on))
+		return;
+
 	dpu_vbif_set_ot_limit(phys_enc->dpu_kms, &ot_params);
+
+	if (forced_on)
+		_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+						    false, &forced_on);
 }
 
 /**
@@ -67,6 +92,7 @@ static void dpu_encoder_phys_wb_set_qos_remap(
 {
 	struct dpu_hw_wb *hw_wb;
 	struct dpu_vbif_set_qos_params qos_params;
+	bool forced_on = false;
 
 	if (!phys_enc || !phys_enc->parent || !phys_enc->parent->crtc) {
 		DPU_ERROR("invalid arguments\n");
@@ -83,7 +109,6 @@ static void dpu_encoder_phys_wb_set_qos_remap(
 	memset(&qos_params, 0, sizeof(qos_params));
 	qos_params.vbif_idx = hw_wb->caps->vbif_idx;
 	qos_params.xin_id = hw_wb->caps->xin_id;
-	qos_params.clk_ctrl = hw_wb->caps->clk_ctrl;
 	qos_params.num = hw_wb->idx - WB_0;
 	qos_params.is_rt = false;
 
@@ -92,7 +117,15 @@ static void dpu_encoder_phys_wb_set_qos_remap(
 			qos_params.vbif_idx,
 			qos_params.xin_id, qos_params.is_rt);
 
+	if (!_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+						 true, &forced_on))
+		return;
+
 	dpu_vbif_set_qos_remap(phys_enc->dpu_kms, &qos_params);
+
+	if (forced_on)
+		_dpu_encoder_phys_wb_clk_force_ctrl(hw_wb, phys_enc->dpu_kms->hw_mdp,
+						    false, &forced_on);
 }
 
 /**

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

@@ -333,6 +333,23 @@ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
 				       enable);
 }
 
+static bool _dpu_plane_sspp_clk_force_ctrl(struct dpu_hw_sspp *sspp,
+					   struct dpu_hw_mdp *mdp,
+					   bool enable, bool *forced_on)
+{
+	if (sspp->ops.setup_clk_force_ctrl) {
+		*forced_on = sspp->ops.setup_clk_force_ctrl(sspp, enable);
+		return true;
+	}
+
+	if (mdp->ops.setup_clk_force_ctrl) {
+		*forced_on = mdp->ops.setup_clk_force_ctrl(mdp, sspp->cap->clk_ctrl, enable);
+		return true;
+	}
+
+	return false;
+}
+
 /**
  * _dpu_plane_set_ot_limit - set OT limit for the given plane
  * @plane:		Pointer to drm plane
@@ -348,6 +365,7 @@ static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
 	struct dpu_vbif_set_ot_params ot_params;
 	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+	bool forced_on = false;
 
 	memset(&ot_params, 0, sizeof(ot_params));
 	ot_params.xin_id = pipe->sspp->cap->xin_id;
@@ -357,10 +375,17 @@ static void _dpu_plane_set_ot_limit(struct drm_plane *plane,
 	ot_params.is_wfd = !pdpu->is_rt_pipe;
 	ot_params.frame_rate = frame_rate;
 	ot_params.vbif_idx = VBIF_RT;
-	ot_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
 	ot_params.rd = true;
 
+	if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+					    true, &forced_on))
+		return;
+
 	dpu_vbif_set_ot_limit(dpu_kms, &ot_params);
+
+	if (forced_on)
+		_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+					       false, &forced_on);
 }
 
 /**
@@ -374,21 +399,28 @@ static void _dpu_plane_set_qos_remap(struct drm_plane *plane,
 	struct dpu_plane *pdpu = to_dpu_plane(plane);
 	struct dpu_vbif_set_qos_params qos_params;
 	struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
+	bool forced_on = false;
 
 	memset(&qos_params, 0, sizeof(qos_params));
 	qos_params.vbif_idx = VBIF_RT;
-	qos_params.clk_ctrl = pipe->sspp->cap->clk_ctrl;
 	qos_params.xin_id = pipe->sspp->cap->xin_id;
 	qos_params.num = pipe->sspp->idx - SSPP_VIG0;
 	qos_params.is_rt = pdpu->is_rt_pipe;
 
-	DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d, clk_ctrl:%d\n",
+	DPU_DEBUG_PLANE(pdpu, "pipe:%d vbif:%d xin:%d rt:%d\n",
 			qos_params.num,
 			qos_params.vbif_idx,
-			qos_params.xin_id, qos_params.is_rt,
-			qos_params.clk_ctrl);
+			qos_params.xin_id, qos_params.is_rt);
+
+	if (!_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+					    true, &forced_on))
+		return;
 
 	dpu_vbif_set_qos_remap(dpu_kms, &qos_params);
+
+	if (forced_on)
+		_dpu_plane_sspp_clk_force_ctrl(pipe->sspp, dpu_kms->hw_mdp,
+					       false, &forced_on);
 }
 
 static void _dpu_plane_setup_scaler3(struct dpu_hw_sspp *pipe_hw,

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

@@ -169,23 +169,16 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
 		struct dpu_vbif_set_ot_params *params)
 {
 	struct dpu_hw_vbif *vbif;
-	struct dpu_hw_mdp *mdp;
-	bool forced_on = false;
 	u32 ot_lim;
 	int ret;
 
-	mdp = dpu_kms->hw_mdp;
-
 	vbif = dpu_get_vbif(dpu_kms, params->vbif_idx);
-	if (!vbif || !mdp) {
-		DRM_DEBUG_ATOMIC("invalid arguments vbif %d mdp %d\n",
-				vbif != NULL, mdp != NULL);
+	if (!vbif) {
+		DRM_DEBUG_ATOMIC("invalid arguments vbif %d\n", vbif != NULL);
 		return;
 	}
 
-	if (!mdp->ops.setup_clk_force_ctrl ||
-			!vbif->ops.set_limit_conf ||
-			!vbif->ops.set_halt_ctrl)
+	if (!vbif->ops.set_limit_conf || !vbif->ops.set_halt_ctrl)
 		return;
 
 	/* set write_gather_en for all write clients */
@@ -200,8 +193,6 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
 	trace_dpu_perf_set_ot(params->num, params->xin_id, ot_lim,
 		params->vbif_idx);
 
-	forced_on = mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, true);
-
 	vbif->ops.set_limit_conf(vbif, params->xin_id, params->rd, ot_lim);
 
 	vbif->ops.set_halt_ctrl(vbif, params->xin_id, true);
@@ -211,25 +202,19 @@ void dpu_vbif_set_ot_limit(struct dpu_kms *dpu_kms,
 		trace_dpu_vbif_wait_xin_halt_fail(vbif->idx, params->xin_id);
 
 	vbif->ops.set_halt_ctrl(vbif, params->xin_id, false);
-
-	if (forced_on)
-		mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, false);
 }
 
 void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
 		struct dpu_vbif_set_qos_params *params)
 {
 	struct dpu_hw_vbif *vbif;
-	struct dpu_hw_mdp *mdp;
-	bool forced_on = false;
 	const struct dpu_vbif_qos_tbl *qos_tbl;
 	int i;
 
-	if (!params || !dpu_kms->hw_mdp) {
+	if (!params) {
 		DPU_ERROR("invalid arguments\n");
 		return;
 	}
-	mdp = dpu_kms->hw_mdp;
 
 	vbif = dpu_get_vbif(dpu_kms, params->vbif_idx);
 
@@ -238,7 +223,7 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
 		return;
 	}
 
-	if (!vbif->ops.set_qos_remap || !mdp->ops.setup_clk_force_ctrl) {
+	if (!vbif->ops.set_qos_remap) {
 		DRM_DEBUG_ATOMIC("qos remap not supported\n");
 		return;
 	}
@@ -251,8 +236,6 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
 		return;
 	}
 
-	forced_on = mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, true);
-
 	for (i = 0; i < qos_tbl->npriority_lvl; i++) {
 		DRM_DEBUG_ATOMIC("%s xin:%d lvl:%d/%d\n",
 				dpu_vbif_name(params->vbif_idx), params->xin_id, i,
@@ -260,9 +243,6 @@ void dpu_vbif_set_qos_remap(struct dpu_kms *dpu_kms,
 		vbif->ops.set_qos_remap(vbif, params->xin_id, i,
 				qos_tbl->priority_lvl[i]);
 	}
-
-	if (forced_on)
-		mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, false);
 }
 
 void dpu_vbif_clear_errors(struct dpu_kms *dpu_kms)

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

@@ -16,13 +16,11 @@ struct dpu_vbif_set_ot_params {
 	bool rd;
 	bool is_wfd;
 	u32 vbif_idx;
-	u32 clk_ctrl;
 };
 
 struct dpu_vbif_set_memtype_params {
 	u32 xin_id;
 	u32 vbif_idx;
-	u32 clk_ctrl;
 	bool is_cacheable;
 };
 
@@ -30,14 +28,12 @@ struct dpu_vbif_set_memtype_params {
  * struct dpu_vbif_set_qos_params - QoS remapper parameter
  * @vbif_idx: vbif identifier
  * @xin_id: client interface identifier
- * @clk_ctrl: clock control identifier of the xin
  * @num: pipe identifier (debug only)
  * @is_rt: true if pipe is used in real-time use case
  */
 struct dpu_vbif_set_qos_params {
 	u32 vbif_idx;
 	u32 xin_id;
-	u32 clk_ctrl;
 	u32 num;
 	bool is_rt;
 };