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 <[email protected]> Fixes: eec688e1420 ("drm/i915: Add i915 perf infrastructure") Cc: linux-stable <[email protected]> --- drivers/gpu/drm/i915/i915_perf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 1383a2995a69..59ee808f8fd9 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, }; -- 2.15.0.rc2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
