[PATCH] drm: remove no longer used .master_{create, destroy} callbacks

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From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>

Up-to recently the only driver which required these was vmwgfx.

With commit 9c84aeba67cc ("drm/vmwgfx: Kill unneeded legacy security
features") the driver no longer sets them, so we can drop the unused
infra.

Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_auth.c |  8 --------
 include/drm/drm_drv.h      | 14 --------------
 2 files changed, 22 deletions(-)

diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index cc9acd986c68..531b876d0ed8 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -153,11 +153,6 @@ static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
 		return -ENOMEM;
 	}
 
-	if (dev->driver->master_create) {
-		ret = dev->driver->master_create(dev, fpriv->master);
-		if (ret)
-			goto out_err;
-	}
 	fpriv->is_master = 1;
 	fpriv->authenticated = 1;
 
@@ -332,9 +327,6 @@ static void drm_master_destroy(struct kref *kref)
 	if (drm_core_check_feature(dev, DRIVER_MODESET))
 		drm_lease_destroy(master);
 
-	if (dev->driver->master_destroy)
-		dev->driver->master_destroy(dev, master);
-
 	drm_legacy_master_rmmaps(dev, master);
 
 	idr_destroy(&master->magic_map);
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index cf13470810a5..4300e85db457 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -457,20 +457,6 @@ struct drm_driver {
 	 */
 	void (*irq_uninstall) (struct drm_device *dev);
 
-	/**
-	 * @master_create:
-	 *
-	 * Called whenever a new master is created. Only used by vmwgfx.
-	 */
-	int (*master_create)(struct drm_device *dev, struct drm_master *master);
-
-	/**
-	 * @master_destroy:
-	 *
-	 * Called whenever a master is destroyed. Only used by vmwgfx.
-	 */
-	void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
-
 	/**
 	 * @master_set:
 	 *
-- 
2.23.0

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