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Commit 7277f755 authored by Lionel Landwerlin's avatar Lionel Landwerlin Committed by Rodrigo Vivi
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drm/i915/perf: fix perf enable/disable ioctls with 32bits userspace 



The compat callback was missing and triggered failures in 32bits
userspace when enabling/disable the perf stream. We don't require any
particular processing here as these ioctls don't take any argument.

Signed-off-by: default avatarLionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: eec688e1 ("drm/i915: Add i915 perf infrastructure")
Cc: linux-stable <stable@vger.kernel.org>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171024152728.4873-1-lionel.g.landwerlin@intel.com


(cherry picked from commit 191f8960)
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent bb176f67

drivers/gpu/drm/i915/i915_perf.c

+4 −0
Original line number Diff line number Diff line
@@ -2537,6 +2537,10 @@ static const struct file_operations fops = { 
	.poll		= i915_perf_poll,

	.read		= i915_perf_read,

	.unlocked_ioctl	= i915_perf_ioctl,

	/* Our ioctl have no arguments, so it's safe to use the same function

	 * to handle 32bits compatibility.

	 */

	.compat_ioctl   = i915_perf_ioctl,

};