5 files changed, 36 insertions, 19 deletions

diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 1021c1c572ca..a761531ec04c 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -54,8 +54,10 @@ static void dsi_dphy_timing_calc_clk_zero(struct msm_dsi_dphy_timing *timing,
 }
 
 int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing,
-	const unsigned long bit_rate, const unsigned long esc_rate)
+			     struct msm_dsi_phy_clk_request *clk_req)
 {
+	const unsigned long bit_rate = clk_req->bitclk_rate;
+	const unsigned long esc_rate = clk_req->escclk_rate;
 	s32 ui, lpx;
 	s32 tmax, tmin;
 	s32 pcnt0 = 10;
@@ -429,7 +431,7 @@ void __exit msm_dsi_phy_driver_unregister(void)
 }
 
 int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
-	const unsigned long bit_rate, const unsigned long esc_rate)
+			struct msm_dsi_phy_clk_request *clk_req)
 {
 	struct device *dev = &phy->pdev->dev;
 	int ret;
@@ -437,18 +439,24 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
 	if (!phy || !phy->cfg->ops.enable)
 		return -EINVAL;
 
+	ret = dsi_phy_enable_resource(phy);
+	if (ret) {
+		dev_err(dev, "%s: resource enable failed, %d\n",
+			__func__, ret);
+		goto res_en_fail;
+	}
+
 	ret = dsi_phy_regulator_enable(phy);
 	if (ret) {
 		dev_err(dev, "%s: regulator enable failed, %d\n",
 			__func__, ret);
-		return ret;
+		goto reg_en_fail;
 	}
 
-	ret = phy->cfg->ops.enable(phy, src_pll_id, bit_rate, esc_rate);
+	ret = phy->cfg->ops.enable(phy, src_pll_id, clk_req);
 	if (ret) {
 		dev_err(dev, "%s: phy enable failed, %d\n", __func__, ret);
-		dsi_phy_regulator_disable(phy);
-		return ret;
+		goto phy_en_fail;
 	}
 
 	/*
@@ -460,14 +468,22 @@ int msm_dsi_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
 	if (phy->usecase != MSM_DSI_PHY_SLAVE) {
 		ret = msm_dsi_pll_restore_state(phy->pll);
 		if (ret) {
-			pr_err("%s: failed to restore pll state\n", __func__);
-			if (phy->cfg->ops.disable)
-				phy->cfg->ops.disable(phy);
-			dsi_phy_regulator_disable(phy);
-			return ret;
+			dev_err(dev, "%s: failed to restore pll state, %d\n",
+				__func__, ret);
+			goto pll_restor_fail;
 		}
 	}
 
+	return 0;
+
+pll_restor_fail:
+	if (phy->cfg->ops.disable)
+		phy->cfg->ops.disable(phy);
+phy_en_fail:
+	dsi_phy_regulator_disable(phy);
+reg_en_fail:
+	dsi_phy_disable_resource(phy);
+res_en_fail:
 	return ret;
 }
 
@@ -483,6 +499,7 @@ void msm_dsi_phy_disable(struct msm_dsi_phy *phy)
 	phy->cfg->ops.disable(phy);
 
 	dsi_phy_regulator_disable(phy);
+	dsi_phy_disable_resource(phy);
 }
 
 void msm_dsi_phy_get_shared_timings(struct msm_dsi_phy *phy,
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
index e1057423fd21..6472b600ac41 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h
@@ -24,7 +24,7 @@
 struct msm_dsi_phy_ops {
 	int (*init) (struct msm_dsi_phy *phy);
 	int (*enable)(struct msm_dsi_phy *phy, int src_pll_id,
-		const unsigned long bit_rate, const unsigned long esc_rate);
+			struct msm_dsi_phy_clk_request *clk_req);
 	void (*disable)(struct msm_dsi_phy *phy);
 };
 
@@ -88,7 +88,7 @@ struct msm_dsi_phy {
  * PHY internal functions
  */
 int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing,
-	const unsigned long bit_rate, const unsigned long esc_rate);
+	struct msm_dsi_phy_clk_request *clk_req);
 void msm_dsi_phy_set_src_pll(struct msm_dsi_phy *phy, int pll_id, u32 reg,
 				u32 bit_mask);
 int msm_dsi_phy_init_common(struct msm_dsi_phy *phy);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
index c4a7be5dee60..1ca6c69516f5 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_20nm.c
@@ -72,7 +72,7 @@ static void dsi_20nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
 }
 
 static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
-		const unsigned long bit_rate, const unsigned long esc_rate)
+				struct msm_dsi_phy_clk_request *clk_req)
 {
 	struct msm_dsi_dphy_timing *timing = &phy->timing;
 	int i;
@@ -81,7 +81,7 @@ static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
 
 	DBG("");
 
-	if (msm_dsi_dphy_timing_calc(timing, bit_rate, esc_rate)) {
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
 		dev_err(&phy->pdev->dev,
 			"%s: D-PHY timing calculation failed\n", __func__);
 		return -EINVAL;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
index ea740c5fb235..4972b52cbe44 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm.c
@@ -67,7 +67,7 @@ static void dsi_28nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable)
 }
 
 static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
-		const unsigned long bit_rate, const unsigned long esc_rate)
+				struct msm_dsi_phy_clk_request *clk_req)
 {
 	struct msm_dsi_dphy_timing *timing = &phy->timing;
 	int i;
@@ -75,7 +75,7 @@ static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
 
 	DBG("");
 
-	if (msm_dsi_dphy_timing_calc(timing, bit_rate, esc_rate)) {
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
 		dev_err(&phy->pdev->dev,
 			"%s: D-PHY timing calculation failed\n", __func__);
 		return -EINVAL;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
index 9aff0ba069cc..398004463498 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_28nm_8960.c
@@ -124,14 +124,14 @@ static void dsi_28nm_phy_lane_config(struct msm_dsi_phy *phy)
 }
 
 static int dsi_28nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id,
-		const unsigned long bit_rate, const unsigned long esc_rate)
+				struct msm_dsi_phy_clk_request *clk_req)
 {
 	struct msm_dsi_dphy_timing *timing = &phy->timing;
 	void __iomem *base = phy->base;
 
 	DBG("");
 
-	if (msm_dsi_dphy_timing_calc(timing, bit_rate, esc_rate)) {
+	if (msm_dsi_dphy_timing_calc(timing, clk_req)) {
 		dev_err(&phy->pdev->dev,
 			"%s: D-PHY timing calculation failed\n", __func__);
 		return -EINVAL;