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drm/vmgfx: kill off unused init_mutex

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According to the docs - prevents firstopen/lastclose races. Yet never
used in practise.

Cc: VMware Graphics <linux-graphics-maintainer@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190522164119.24139-2-emil.l.velikov@gmail.com
This commit is contained in:
Emil Velikov
2019-05-22 17:41:16 +01:00
committed by Emil Velikov
parent 3cd74023ea
commit bcde7d345c
2 changed files with 0 additions and 6 deletions
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5
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@@ -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