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From: Daniel Vetter <daniel.vetter@ffwll.ch>
To: DRI Development <dri-devel@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
	Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Subject: [PATCH 06/10] drm: Drop cargo-culted modeset_lock_all from encoder/plane init/cleanup
Date: Tue, 21 Jun 2016 11:10:31 +0200	[thread overview]
Message-ID: <1466500235-21282-7-git-send-email-daniel.vetter@ffwll.ch> (raw)
In-Reply-To: <1466500235-21282-1-git-send-email-daniel.vetter@ffwll.ch>

We can't hotplug encoders/planes, there's no point in that locking. It
was also inconsistent because lacking from plane_init.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/drm_crtc.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 2a927488ec26..6a8f91e8821b 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1131,11 +1131,9 @@ int drm_encoder_init(struct drm_device *dev,
 {
 	int ret;
 
-	drm_modeset_lock_all(dev);
-
 	ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
 	if (ret)
-		goto out_unlock;
+		return ret;
 
 	encoder->dev = dev;
 	encoder->encoder_type = encoder_type;
@@ -1163,9 +1161,6 @@ out_put:
 	if (ret)
 		drm_mode_object_unregister(dev, &encoder->base);
 
-out_unlock:
-	drm_modeset_unlock_all(dev);
-
 	return ret;
 }
 EXPORT_SYMBOL(drm_encoder_init);
@@ -1185,12 +1180,10 @@ void drm_encoder_cleanup(struct drm_encoder *encoder)
 	 * the indices on the drm_encoder after us in the encoder_list.
 	 */
 
-	drm_modeset_lock_all(dev);
 	drm_mode_object_unregister(dev, &encoder->base);
 	kfree(encoder->name);
 	list_del(&encoder->head);
 	dev->mode_config.num_encoder--;
-	drm_modeset_unlock_all(dev);
 
 	memset(encoder, 0, sizeof(*encoder));
 }
@@ -1341,7 +1334,6 @@ void drm_plane_cleanup(struct drm_plane *plane)
 {
 	struct drm_device *dev = plane->dev;
 
-	drm_modeset_lock_all(dev);
 	kfree(plane->format_types);
 	drm_mode_object_unregister(dev, &plane->base);
 
@@ -1356,7 +1348,6 @@ void drm_plane_cleanup(struct drm_plane *plane)
 	dev->mode_config.num_total_plane--;
 	if (plane->type == DRM_PLANE_TYPE_OVERLAY)
 		dev->mode_config.num_overlay_plane--;
-	drm_modeset_unlock_all(dev);
 
 	WARN_ON(plane->state && !plane->funcs->atomic_destroy_state);
 	if (plane->state && plane->funcs->atomic_destroy_state)
-- 
2.8.1

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  parent reply	other threads:[~2016-06-21  9:10 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-21  9:10 [PATCH 00/10] RFC: hot-unplug safe connector list locking Daniel Vetter
2016-06-21  9:10 ` [PATCH 01/10] drm/amd-kfd: Clean up inline handling Daniel Vetter
2016-06-21 19:11   ` Oded Gabbay
2016-06-21 19:22     ` Daniel Vetter
2016-06-22  7:35     ` Daniel Vetter
2016-06-21  9:10 ` [PATCH 02/10] drm: Don't compute obj counts expensively in get_resources Daniel Vetter
2016-06-21  9:48   ` Chris Wilson
2016-06-21 12:21     ` Daniel Vetter
2016-06-21 12:29   ` [PATCH] " Daniel Vetter
2016-06-21 12:40     ` Chris Wilson
2016-06-21  9:10 ` [PATCH 03/10] drm: Add explicit iter struct to drm_for_each_connector Daniel Vetter
2016-06-21  9:10 ` [PATCH 04/10] drm/i915: Use use the drm_for_each_connector in i915_debugfs.c Daniel Vetter
2016-06-21  9:10 ` [PATCH 05/10] drm/i915: Roll out drm_for_each_connector in intel_hotplug.c Daniel Vetter
2016-06-21  9:10 ` Daniel Vetter [this message]
2016-06-21  9:10 ` [PATCH 07/10] drm: Revamp connector_list protection Daniel Vetter
2016-06-22  9:09   ` Daniel Vetter
2016-06-21  9:10 ` [PATCH 08/10] drm: Drop mode_config.mutex from connector_register_all Daniel Vetter
2016-06-21  9:10 ` [PATCH 09/10] drm: Drop mode_config.mutex from get_resources ioctl Daniel Vetter
2016-06-21  9:44   ` Chris Wilson
2016-06-21 12:41     ` [PATCH] " Daniel Vetter
2016-06-21  9:10 ` [PATCH 10/10] drm: Drop mode_config.mutex from _reset() Daniel Vetter
2016-06-21 10:28 ` ✗ Ro.CI.BAT: warning for RFC: hot-unplug safe connector list locking Patchwork

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