[PATCH v2 3/9] drm: Add plane->name and use it in debug prints

[ville.syrjala@xxxxxxxxxxxxxxx]

From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

v2: kstrdup() the name passed by the caller (Jani)

Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_atomic.c        | 12 ++++++------
 drivers/gpu/drm/drm_atomic_helper.c |  4 ++--
 drivers/gpu/drm/drm_crtc.c          | 11 ++++++++++-
 include/drm/drm_crtc.h              |  2 ++
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 2944655..df84060 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -543,8 +543,8 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
 	state->planes[index] = plane;
 	plane_state->state = state;
 
-	DRM_DEBUG_ATOMIC("Added [PLANE:%d] %p state to %p\n",
-			 plane->base.id, plane_state, state);
+	DRM_DEBUG_ATOMIC("Added [PLANE:%d:%s] %p state to %p\n",
+			 plane->base.id, plane->name, plane_state, state);
 
 	if (plane_state->crtc) {
 		struct drm_crtc_state *crtc_state;
@@ -755,8 +755,8 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
 	}
 
 	if (plane_switching_crtc(state->state, plane, state)) {
-		DRM_DEBUG_ATOMIC("[PLANE:%d] switching CRTC directly\n",
-				 plane->base.id);
+		DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n",
+				 plane->base.id, plane->name);
 		return -EINVAL;
 	}
 
@@ -1229,8 +1229,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
 	for_each_plane_in_state(state, plane, plane_state, i) {
 		ret = drm_atomic_plane_check(plane, plane_state);
 		if (ret) {
-			DRM_DEBUG_ATOMIC("[PLANE:%d] atomic core check failed\n",
-					 plane->base.id);
+			DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic core check failed\n",
+					 plane->base.id, plane->name);
 			return ret;
 		}
 	}
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index fc90af50..387d95c 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -503,8 +503,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev,
 
 		ret = funcs->atomic_check(plane, plane_state);
 		if (ret) {
-			DRM_DEBUG_ATOMIC("[PLANE:%d] atomic driver check failed\n",
-					 plane->base.id);
+			DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic driver check failed\n",
+					 plane->base.id, plane->name);
 			return ret;
 		}
 	}
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 399ded5..29f5a2a 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1174,9 +1174,15 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
 	struct drm_mode_config *config = &dev->mode_config;
 	int ret;
 
+	plane->name = kstrdup(name, GFP_KERNEL);
+	if (!plane->name)
+		return -ENOMEM;
+
 	ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
-	if (ret)
+	if (ret) {
+		kfree(plane->name);
 		return ret;
+	}
 
 	drm_modeset_lock_init(&plane->mutex);
 
@@ -1188,6 +1194,7 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
 	if (!plane->format_types) {
 		DRM_DEBUG_KMS("out of memory when allocating plane\n");
 		drm_mode_object_put(dev, &plane->base);
+		kfree(plane->name);
 		return -ENOMEM;
 	}
 
@@ -1281,6 +1288,8 @@ void drm_plane_cleanup(struct drm_plane *plane)
 	if (plane->state && plane->funcs->atomic_destroy_state)
 		plane->funcs->atomic_destroy_state(plane, plane->state);
 
+	kfree(plane->name);
+
 	memset(plane, 0, sizeof(*plane));
 }
 EXPORT_SYMBOL(drm_plane_cleanup);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 4d47a73..5c1c583 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -848,6 +848,8 @@ struct drm_plane {
 	struct drm_device *dev;
 	struct list_head head;
 
+	char *name;
+
 	struct drm_modeset_lock mutex;
 
 	struct drm_mode_object base;
-- 
2.4.10

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