diff mbox

[v7,01/10] drm/atomic: Print debug message on atomic check failure

Message ID 20180411225501.26751-2-lyude@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lyude Paul April 11, 2018, 10:54 p.m. UTC
Does what it says on the label, it's a little confusing debugging atomic
check failures otherwise.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
---
 drivers/gpu/drm/drm_atomic.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 7d25c42f22db..972a7e9634ab 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1705,8 +1705,11 @@  int drm_atomic_check_only(struct drm_atomic_state *state)
 	if (config->funcs->atomic_check)
 		ret = config->funcs->atomic_check(state->dev, state);
 
-	if (ret)
+	if (ret) {
+		DRM_DEBUG_ATOMIC("atomic driver check for %p failed: %d\n",
+				 state, ret);
 		return ret;
+	}
 
 	if (!state->allow_modeset) {
 		for_each_new_crtc_in_state(state, crtc, crtc_state, i) {