linux-kernel - [PATCH v4 2/2] drm/atomic-helper: improve CRTC enabled/connectors mismatch logging message

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250204-drm-small-improvements-v4-2-d6bbc92f12f1@bootlin.com>
Date: Tue, 04 Feb 2025 09:51:59 +0100
From: Luca Ceresoli <luca.ceresoli@...tlin.com>
To: 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>
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, 
 Jani Nikula <jani.nikula@...ux.intel.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Louis Chauvet <louis.chauvet@...tlin.com>, dri-devel@...ts.freedesktop.org, 
 linux-kernel@...r.kernel.org, Luca Ceresoli <luca.ceresoli@...tlin.com>
Subject: [PATCH v4 2/2] drm/atomic-helper: improve CRTC enabled/connectors
 mismatch logging message

This message reports a mismatch between new_crtc_state->enable and
has_connectors, which should be either both true or both false. However it
does not mention which one is true and which is false, which can be useful
for debugging. Add the value of both avriables to the log message.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Acked-by: Louis Chauvet <louis.chauvet@...tlin.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 5186d2114a503701e228e382cc45180b0c578d0c..8ed186ddaeafae8295696eb11ace58777a5d9e43 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -666,8 +666,9 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
 		}
 
 		if (new_crtc_state->enable != has_connectors) {
-			drm_dbg_atomic(dev, "[CRTC:%d:%s] enabled/connectors mismatch\n",
-				       crtc->base.id, crtc->name);
+			drm_dbg_atomic(dev, "[CRTC:%d:%s] enabled/connectors mismatch (%d/%d)\n",
+				       crtc->base.id, crtc->name,
+				       new_crtc_state->enable, has_connectors);
 
 			return -EINVAL;
 		}

-- 
2.34.1