linux-kernel - [PATCH v2 3/5] drm/msm/mdss: Rename path references to mdp

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Message-Id: <20230417-topic-dpu_regbus-v2-3-91a66d04898e@linaro.org>
Date:   Tue, 18 Apr 2023 14:10:58 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 3/5] drm/msm/mdss: Rename path references to mdp_path

The DPU1 driver needs to handle all MDPn<->DDR paths, as well as
CPU<->SLAVE_DISPLAY_CFG. The former ones share how their values are
calculated, but the latter one has static predefines spanning all SoCs.

In preparation for supporting the CPU<->SLAVE_DISPLAY_CFG path, rename
the path-related struct members to include "mdp_".

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/gpu/drm/msm/msm_mdss.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c
index e8c93731aaa1..9e2ce7f22677 100644
--- a/drivers/gpu/drm/msm/msm_mdss.c
+++ b/drivers/gpu/drm/msm/msm_mdss.c
@@ -48,8 +48,8 @@ struct msm_mdss {
 		struct irq_domain *domain;
 	} irq_controller;
 	const struct msm_mdss_data *mdss_data;
-	struct icc_path *path[2];
-	u32 num_paths;
+	struct icc_path *mdp_path[2];
+	u32 num_mdp_paths;
 };
 
 static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
@@ -62,13 +62,13 @@ static int msm_mdss_parse_data_bus_icc_path(struct device *dev,
 	if (IS_ERR_OR_NULL(path0))
 		return PTR_ERR_OR_ZERO(path0);
 
-	msm_mdss->path[0] = path0;
-	msm_mdss->num_paths = 1;
+	msm_mdss->mdp_path[0] = path0;
+	msm_mdss->num_mdp_paths = 1;
 
 	path1 = of_icc_get(dev, "mdp1-mem");
 	if (!IS_ERR_OR_NULL(path1)) {
-		msm_mdss->path[1] = path1;
-		msm_mdss->num_paths++;
+		msm_mdss->mdp_path[1] = path1;
+		msm_mdss->num_mdp_paths++;
 	}
 
 	return 0;
@@ -79,16 +79,16 @@ static void msm_mdss_put_icc_path(void *data)
 	struct msm_mdss *msm_mdss = data;
 	int i;
 
-	for (i = 0; i < msm_mdss->num_paths; i++)
-		icc_put(msm_mdss->path[i]);
+	for (i = 0; i < msm_mdss->num_mdp_paths; i++)
+		icc_put(msm_mdss->mdp_path[i]);
 }
 
 static void msm_mdss_icc_request_bw(struct msm_mdss *msm_mdss, unsigned long bw)
 {
 	int i;
 
-	for (i = 0; i < msm_mdss->num_paths; i++)
-		icc_set_bw(msm_mdss->path[i], 0, Bps_to_icc(bw));
+	for (i = 0; i < msm_mdss->num_mdp_paths; i++)
+		icc_set_bw(msm_mdss->mdp_path[i], 0, Bps_to_icc(bw));
 }
 
 static void msm_mdss_irq(struct irq_desc *desc)

-- 
2.40.0