On Tue, Jan 02, 2018 at 03:12:31PM +0000, Chris Wilson wrote: > To modify the global seqno may require rewriting a few registers, which > requires us to hold the rpm wakeref. We must therefore take it around > the call to i915_gem_set_global_seqno() in debugfs, on behalf of the > user. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> -Michał > --- > drivers/gpu/drm/i915/i915_debugfs.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c > index d81cb2513069..2bb63073d73f 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -988,7 +988,10 @@ i915_next_seqno_set(void *data, u64 val) > if (ret) > return ret; > > + intel_runtime_pm_get(dev_priv); > ret = i915_gem_set_global_seqno(dev, val); > + intel_runtime_pm_put(dev_priv); > + > mutex_unlock(&dev->struct_mutex); > > return ret; > -- > 2.15.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
