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drm/i915/perf: fix perf enable/disable ioctls with 32bits userspace

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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: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: eec688e142 ("drm/i915: Add i915 perf infrastructure")
Cc: linux-stable <stable@vger.kernel.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171024152728.4873-1-lionel.g.landwerlin@intel.com
This commit is contained in:
Lionel Landwerlin 2017-10-24 16:27:28 +01:00
parent 64b80085dd
commit 191f896085
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/i915_perf.c
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@ -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,
};