linux-kernel - [PATCH 19/29] drm/atomic-helper: Change parameter name of drm_atomic_helper_cleanup

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Message-Id: <20250115-bridge-connector-v1-19-9a2fecd886a6@kernel.org>
Date: Wed, 15 Jan 2025 22:05:26 +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 19/29] drm/atomic-helper: Change parameter name of
 drm_atomic_helper_cleanup_planes()

drm_atomic_helper_cleanup_planes() is one of the final part of a commit,
and will free up all plane resources used in the previous 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_atomic_helper.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 581fd0f14ba0aa2a9d0334cad49575de3fb5fb20..000ae2d4ded286458ee386e34336d650907a8073 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2977,28 +2977,28 @@ drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state,
 EXPORT_SYMBOL(drm_atomic_helper_disable_planes_on_crtc);
 
 /**
  * drm_atomic_helper_cleanup_planes - cleanup plane resources after commit
  * @dev: DRM device
- * @old_state: atomic state object with old state structures
+ * @state: atomic state object being committed
  *
  * This function cleans up plane state, specifically framebuffers, from the old
- * configuration. Hence the old configuration must be perserved in @old_state to
+ * configuration. Hence the old configuration must be perserved in @state to
  * be able to call this function.
  *
  * This function may not be called on the new state when the atomic update
  * fails at any point after calling drm_atomic_helper_prepare_planes(). Use
  * drm_atomic_helper_unprepare_planes() in this case.
  */
 void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
-				      struct drm_atomic_state *old_state)
+				      struct drm_atomic_state *state)
 {
 	struct drm_plane *plane;
 	struct drm_plane_state *old_plane_state;
 	int i;
 
-	for_each_old_plane_in_state(old_state, plane, old_plane_state, i) {
+	for_each_old_plane_in_state(state, plane, old_plane_state, i) {
 		const struct drm_plane_helper_funcs *funcs = plane->helper_private;
 
 		if (funcs->cleanup_fb)
 			funcs->cleanup_fb(plane, old_plane_state);
 	}

-- 
2.47.1