From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
According to the docs - prevents firstopen/lastclose races. Yet never
used in practise.
Cc: "VMware Graphics" <linux-graphics-maintainer@xxxxxxxxxx>
Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 1 -
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 5 -----
2 files changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index a38f06909fb6..d3f108f7e52d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -664,7 +664,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
INIT_LIST_HEAD(&dev_priv->res_lru[i]);
}
- mutex_init(&dev_priv->init_mutex);
init_waitqueue_head(&dev_priv->fence_queue);
init_waitqueue_head(&dev_priv->fifo_queue);
dev_priv->fence_queue_waiters = 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 96983c47fb40..9be2176cc260 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -484,11 +484,6 @@ struct vmw_private {
spinlock_t resource_lock;
struct idr res_idr[vmw_res_max];
- /*
- * Block lastclose from racing with firstopen.
- */
-
- struct mutex init_mutex;
/*
* A resource manager for kernel-only surfaces and
--
2.21.0
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