linux-kernel - [PATCH v3 18/37] drm/bridge: Change parameter name of drm_atomic_bridge_chain_pre

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Message-Id: <20250213-bridge-connector-v3-18-e71598f49c8f@kernel.org>
Date: Thu, 13 Feb 2025 15:43:37 +0100
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, 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>, 
 Douglas Anderson <dianders@...omium.org>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Maxime Ripard <mripard@...nel.org>
Subject: [PATCH v3 18/37] drm/bridge: Change parameter name of
 drm_atomic_bridge_chain_pre_enable()

drm_atomic_bridge_chain_pre_enable() enables all bridges affected by
a new commit. It takes the drm_atomic_state being committed as a
parameter.

However, that parameter name is called (and documented) as old_state,
which is pretty confusing. Let's rename that variable as state.

Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
 drivers/gpu/drm/drm_bridge.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index b63ec3d0b285949ebe75f28b526e2833d0e6a850..41bb3700ca7b6f267a75481ae942b9357b5777c9 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -676,23 +676,23 @@ void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge,
 	}
 }
 EXPORT_SYMBOL(drm_atomic_bridge_chain_post_disable);
 
 static void drm_atomic_bridge_call_pre_enable(struct drm_bridge *bridge,
-					      struct drm_atomic_state *old_state)
+					      struct drm_atomic_state *state)
 {
-	if (old_state && bridge->funcs->atomic_pre_enable)
-		bridge->funcs->atomic_pre_enable(bridge, old_state);
+	if (state && bridge->funcs->atomic_pre_enable)
+		bridge->funcs->atomic_pre_enable(bridge, state);
 	else if (bridge->funcs->pre_enable)
 		bridge->funcs->pre_enable(bridge);
 }
 
 /**
  * drm_atomic_bridge_chain_pre_enable - prepares for enabling all bridges in
  *					the encoder chain
  * @bridge: bridge control structure
- * @old_state: old atomic state
+ * @state: atomic state being committed
  *
  * Calls &drm_bridge_funcs.atomic_pre_enable (falls back on
  * &drm_bridge_funcs.pre_enable) op for all the bridges in the encoder chain,
  * starting from the last bridge to the first. These are called before calling
  * &drm_encoder_helper_funcs.atomic_enable
@@ -708,11 +708,11 @@ static void drm_atomic_bridge_call_pre_enable(struct drm_bridge *bridge,
  * Bridge C, Bridge D, Bridge E, Bridge A, Bridge B.
  *
  * Note: the bridge passed should be the one closest to the encoder
  */
 void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
-					struct drm_atomic_state *old_state)
+					struct drm_atomic_state *state)
 {
 	struct drm_encoder *encoder;
 	struct drm_bridge *iter, *next, *limit;
 
 	if (!bridge)
@@ -747,15 +747,15 @@ void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge,
 					/* At the first bridge to request prev
 					 * bridges called first.
 					 */
 					break;
 
-				drm_atomic_bridge_call_pre_enable(next, old_state);
+				drm_atomic_bridge_call_pre_enable(next, state);
 			}
 		}
 
-		drm_atomic_bridge_call_pre_enable(iter, old_state);
+		drm_atomic_bridge_call_pre_enable(iter, state);
 
 		if (iter->pre_enable_prev_first)
 			/* Jump all bridges that we have already pre_enabled */
 			iter = limit;
 

-- 
2.48.0