linux-kernel - [PATCH 3/7] drm/bridge: analogic_dp: drop panel_is

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Message-Id: <20250401-panel-return-void-v1-3-93e1be33dc8d@oss.qualcomm.com>
Date: Tue, 01 Apr 2025 08:11:35 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Jessica Zhang <quic_jesszhan@...cinc.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] drm/bridge: analogic_dp: drop panel_is_modeset

The dp->panel_is_modeset is now a write-only field. Drop it completely.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +----------
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.h |  1 -
 2 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 82dc4b01806f9728dc882b0128171838e81f21b0..704c6169116eb2601d2ad02dc7294455ceff5460 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -964,9 +964,7 @@ static int analogix_dp_disable_psr(struct analogix_dp_device *dp)
  * is false, the panel will be unprepared.
  *
  * The function will disregard the current state
- * of the panel and either prepare/unprepare the panel based on @prepare. Once
- * it finishes, it will update dp->panel_is_modeset to reflect the current state
- * of the panel.
+ * of the panel and either prepare/unprepare the panel based on @prepare.
  */
 static int analogix_dp_prepare_panel(struct analogix_dp_device *dp,
 				     bool prepare)
@@ -983,12 +981,6 @@ static int analogix_dp_prepare_panel(struct analogix_dp_device *dp,
 	else
 		ret = drm_panel_unprepare(dp->plat_data->panel);
 
-	if (ret)
-		goto out;
-
-	dp->panel_is_modeset = prepare;
-
-out:
 	mutex_unlock(&dp->panel_lock);
 	return ret;
 }
@@ -1532,7 +1524,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
 	dp->dpms_mode = DRM_MODE_DPMS_OFF;
 
 	mutex_init(&dp->panel_lock);
-	dp->panel_is_modeset = false;
 
 	/*
 	 * platform dp driver need containor_of the plat_data to get
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
index 774d11574b095b093ddf2818ad5b84be6605c9bf..b679d5b71d276f458d905c936160f107225bc6c5 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.h
@@ -170,7 +170,6 @@ struct analogix_dp_device {
 	bool			psr_supported;
 
 	struct mutex		panel_lock;
-	bool			panel_is_modeset;
 
 	struct analogix_dp_plat_data *plat_data;
 };

-- 
2.39.5