* Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi all,
>
> After merging the tip tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
>
> drivers/gpu/drm/i915/gt/intel_gt_pm.c: In function 'intel_gt_resume':
> drivers/gpu/drm/i915/gt/intel_gt_pm.c:183:54: error: macro "mutex_release" passed 3 arguments, but takes just 2
> 183 | mutex_release(&ce->pin_mutex.dep_map, 0, _THIS_IP_);
> | ^
> In file included from include/linux/spinlock_types.h:18,
> from include/linux/spinlock.h:83,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:6,
> from include/linux/slab.h:15,
> from include/linux/io-mapping.h:10,
> from drivers/gpu/drm/i915/i915_drv.h:36,
> from drivers/gpu/drm/i915/gt/intel_gt_pm.c:7:
> include/linux/lockdep.h:605: note: macro "mutex_release" defined here
> 605 | #define mutex_release(l, i) lock_release(l, i)
> |
> drivers/gpu/drm/i915/gt/intel_lrc.c: In function '__context_pin_release':
> drivers/gpu/drm/i915/gt/intel_lrc.c:245:51: error: macro "mutex_release" passed 3 arguments, but takes just 2
> 245 | mutex_release(&ce->pin_mutex.dep_map, 0, _RET_IP_);
> | ^
> In file included from include/linux/hardirq.h:6,
> from include/linux/interrupt.h:11,
> from drivers/gpu/drm/i915/gt/intel_lrc.c:134:
> include/linux/lockdep.h:605: note: macro "mutex_release" defined here
> 605 | #define mutex_release(l, i) lock_release(l, i)
> |
>
> Caused by commit
>
> 5facae4f3549 ("locking/lockdep: Remove unused @nested argument from lock_release()")
>
> interacting with commits
>
> dffa8feb3084 ("drm/i915/perf: Assert locking for i915_init_oa_perf_state()")
> fcde8c7eea60 ("drm/i915/selftests: Exercise potential false lite-restore")
> b1e3177bd1d8 ("drm/i915: Coordinate i915_active with its own mutex")
>
> from the drm tree.
>
> I added the following merge fix patch for today:
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Thu, 10 Oct 2019 13:08:43 +1100
> Subject: [PATCH] drm/i915: update for mutex_release API change
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/intel_gt_pm.c | 2 +-
> drivers/gpu/drm/i915/gt/intel_lrc.c | 2 +-
> drivers/gpu/drm/i915/i915_active.c | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
I suspect -next will have to carry this semantic merge conflict
resolution until the DRM tree is merged upstream.
Thanks,
Ingo
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