On Fri, Oct 16, 2015 at 02:21:26PM +0300, Ander Conselvan De Oliveira wrote:
> On Wed, 2015-09-23 at 13:27 +0200, Maarten Lankhorst wrote:
> > Now that we agreed on not preserving framebuffers pinning is finally
> > allowed to fail because of signals. Use this to make pinning
> > and acquire the mutex in an interruptible way too.
> >
> > Unpinning is still uninterruptible, because it happens as a cleanup
> > of old state, or undoing pins after one of the pins failed.
> >
> > The intel_pin_and_fence_fb_obj in page_flip will also wait interruptibly,
> > and can be aborted now.
> >
> > Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
>
> Reviewed-by: Ander Conselvan de Oliveira <conselv...@gmail.com>
First two patches merged to dinq.
Thanks, Daniel
>
> > ---
> > drivers/gpu/drm/i915/intel_display.c | 11 +++++------
> > 1 file changed, 5 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_display.c
> > b/drivers/gpu/drm/i915/intel_display.c
> > index ac97af69be62..25e1eac260fd 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -2349,11 +2349,10 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
> > */
> > intel_runtime_pm_get(dev_priv);
> >
> > - dev_priv->mm.interruptible = false;
> > ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined,
> > pipelined_request, &view);
> > if (ret)
> > - goto err_interruptible;
> > + goto err_pm;
> >
> > /* Install a fence for tiled scan-out. Pre-i965 always needs a
> > * fence, whereas 965+ only requires a fence if using
> > @@ -2377,14 +2376,12 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
> >
> > i915_gem_object_pin_fence(obj);
> >
> > - dev_priv->mm.interruptible = true;
> > intel_runtime_pm_put(dev_priv);
> > return 0;
> >
> > err_unpin:
> > i915_gem_object_unpin_from_display_plane(obj, &view);
> > -err_interruptible:
> > - dev_priv->mm.interruptible = true;
> > +err_pm:
> > intel_runtime_pm_put(dev_priv);
> > return ret;
> > }
> > @@ -13305,7 +13302,9 @@ intel_prepare_plane_fb(struct drm_plane *plane,
> > if (!obj && !old_obj)
> > return 0;
> >
> > - mutex_lock(&dev->struct_mutex);
> > + ret = i915_mutex_lock_interruptible(dev);
> > + if (ret)
> > + return ret;
> >
> > if (!obj) {
> > ret = 0;
> _______________________________________________
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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