Re: [PATCH] drm/i915: Don't print header in error state for non-existing CS

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On Tue, Nov 18, 2014 at 02:04:23PM +0000, Chris Wilson wrote:
> On Tue, Nov 18, 2014 at 01:28:38PM +0100, Daniel Vetter wrote:
> > This goes back to
> > 
> > commit 362b8af7ad1d91266aa4931e62be45c1e5cf753b
> > Author: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
> > Date:   Thu Jan 30 00:19:38 2014 -0800
> > 
> >     drm/i915: Move per ring error state to ring_error
> > 
> > Spotted while reading error states.
> > 
> > Cc: Ben Widawsky <benjamin.widawsky@xxxxxxxxx>
> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/i915_gpu_error.c | 12 +++++++-----
> >  1 file changed, 7 insertions(+), 5 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
> > index 89a2f3dbf956..82111b8ad374 100644
> > --- a/drivers/gpu/drm/i915/i915_gpu_error.c
> > +++ b/drivers/gpu/drm/i915/i915_gpu_error.c
> > @@ -242,11 +242,15 @@ static const char *hangcheck_action_to_str(enum intel_ring_hangcheck_action a)
> >  
> >  static void i915_ring_error_state(struct drm_i915_error_state_buf *m,
> >  				  struct drm_device *dev,
> > -				  struct drm_i915_error_ring *ring)
> > +				  struct drm_i915_error_state *error,
> > +				  int ring_idx)
> 
> Hmm, doesn't the drm_i915_error_ring already have ring->id set? It does
> in my kernel (and so saves having to pass in error + ring_idx).

Unfortunately not ... and I'm too lazily to rework things even more.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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