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| author | Lionel Landwerlin | 2017-10-24 17:27:28 +0200 |
|---|---|---|
| committer | Rodrigo Vivi | 2017-10-25 17:16:13 +0200 |
| commit | 7277f755048da562eb2489becacd38d0d05e1e06 (patch) | |
| tree | 6269be64a239744b959ce95817beeefbaf679975 /drivers/gpu/drm/i915/i915_perf.c | |
| parent | Linux 4.14-rc6 (diff) | |
| download | kernel-qcow2-linux-7277f755048da562eb2489becacd38d0d05e1e06.tar.gz kernel-qcow2-linux-7277f755048da562eb2489becacd38d0d05e1e06.tar.xz kernel-qcow2-linux-7277f755048da562eb2489becacd38d0d05e1e06.zip | |
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: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Fixes: eec688e1420 ("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
(cherry picked from commit 191f896085cf3b5d85920d58a759da4eea141721)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 94185d610673..370b9d248fed 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -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, }; |