From d43b3cdcc6029eead6976f3abfe94f8c5840ea7f Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Wed, 19 Oct 2022 14:38:10 +0000
Subject: [PATCH] drm/atomic: log on attempt to set legacy DPMS property
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221019143736.267324-5-contact@emersion.fr
---
drivers/gpu/drm/drm_atomic_uapi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index 78fa8cadc01dd..e2373d1cfebcf 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -711,6 +711,9 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
* is done in legacy setprop path for us. Disallow (for
* now?) atomic writes to DPMS property:
*/
+ drm_dbg_atomic(dev,
+ "legacy [PROP:%d:%s] can only be set via legacy uAPI\n",
+ property->base.id, property->name);
return -EINVAL;
} else if (property == config->tv_select_subconnector_property) {
state->tv.select_subconnector = val;