From: James Lin <PingLei.Lin@amd.com>
To: <dri-devel@lists.freedesktop.org>
Cc: Harry Wentland <harry.wentland@amd.com>,
Leo Li <sunpeng.li@amd.com>,
Aurabindo Pillai <aurabindo.pillai@amd.com>,
Roman Li <roman.li@amd.com>, Wayne Lin <wayne.lin@amd.com>,
Tom Chung <chiahsuan.chung@amd.com>,
"Fangzhi Zuo" <jerry.zuo@amd.com>,
Dan Wheeler <daniel.wheeler@amd.com>, Ray Wu <Ray.Wu@amd.com>,
Ivan Lipski <ivan.lipski@amd.com>, Alex Hung <alex.hung@amd.com>,
James Lin <PingLei.Lin@amd.com>,
Chenyu Chen <Chen-Yu.Chen@amd.com>
Subject: [PATCH] drm/atomic-helper: Skip redundant disabled plane commits
Date: Mon, 21 Sep 2026 22:30:11 +0800 [thread overview]
Message-ID: <20260921143049.46985-1-PingLei.Lin@amd.com> (raw)
Return early when the plane has neither a CRTC nor a
framebuffer to avoid redundant disabled plane commits.
Signed-off-by: James Lin <PingLei.Lin@amd.com>
---
drivers/gpu/drm/drm_atomic_helper.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 51f39edc31ed..30cc9c07f455 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -3470,6 +3470,11 @@ int drm_atomic_helper_disable_plane(struct drm_plane *plane,
goto fail;
}
+ if (!plane_state->crtc && !plane_state->fb) {
+ ret = 0;
+ goto fail;
+ }
+
if (plane_state->crtc && plane_state->crtc->cursor == plane)
plane_state->state->legacy_cursor_update = true;
--
2.43.0
next reply other threads:[~2026-09-23 4:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 14:30 James Lin [this message]
2026-09-30 13:45 ` [PATCH] drm/atomic-helper: Skip redundant disabled plane commits Leo Li
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