Re: [PATCH v2] drm/radeon: Prevent multiple debug error lines on suspend

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Applied manually.  Please double check how you are sending the
patches.  git complained about a malformed patch.  I'd suggest using
git-send-email.

Thanks,

Alex

On Wed, Dec 13, 2023 at 1:45 AM Christian König
<christian.koenig@xxxxxxx> wrote:
>
> Am 13.12.23 um 00:31 schrieb Woody Suwalski:
> > Fix to avoid multiple debug error lines printed on every suspend by
> > Radeon driver's debugfs.
> >
> > radeon_debugfs_init() calls debugfs_create_file() for every ring.
> >
> > This results in printing multiple error lines to the screen and dmesg
> > similar to this:
> >
> > [   92.378726] debugfs: File 'radeon_ring_gfx' in directory
> > '0000:00:01.0' already present!
> > [   92.378732] debugfs: File 'radeon_ring_cp1' in directory
> > '0000:00:01.0' already present!
> > [   92.378734] debugfs: File 'radeon_ring_cp2' in directory
> > '0000:00:01.0' already present!
> > [   92.378737] debugfs: File 'radeon_ring_dma1' in directory
> > '0000:00:01.0' already present!
> > [   92.378739] debugfs: File 'radeon_ring_dma2' in directory
> > '0000:00:01.0' already present!
> > [   92.380775] debugfs: File 'radeon_ring_uvd' in directory
> > '0000:00:01.0' already present!
> > [   92.406620] debugfs: File 'radeon_ring_vce1' in directory
> > '0000:00:01.0' already present!
> > [   92.406624] debugfs: File 'radeon_ring_vce2' in directory
> > '0000:00:01.0' already present!
> >
> >
> > Patch v1: The fix was to run lookup() for the file before trying to
> > (re)create that debug file.
> > Patch v2: Call the radeon_debugfs_init() only once when radeon ring is
> > initialized (as suggested  by Christian K. - thanks)
> >
> > Signed-off-by: Woody Suwalski <terraluna977@xxxxxxxxx>
>
> Reviewed-by: Christian König <christian.koenig@xxxxxxx>
>
> Thanks for the help,
> Christian.
>
> >
> > diff --git a/drivers/gpu/drm/radeon/radeon_ring.c
> > b/drivers/gpu/drm/radeon/radeon_ring.c
> > index e6534fa9f1fb..38048593bb4a 100644
> > --- a/drivers/gpu/drm/radeon/radeon_ring.c
> > +++ b/drivers/gpu/drm/radeon/radeon_ring.c
> > @@ -413,6 +413,7 @@ int radeon_ring_init(struct radeon_device *rdev,
> > struct radeon_ring *ring, unsig
> >              dev_err(rdev->dev, "(%d) ring map failed\n", r);
> >              return r;
> >          }
> > +        radeon_debugfs_ring_init(rdev, ring);
> >      }
> >      ring->ptr_mask = (ring->ring_size / 4) - 1;
> >      ring->ring_free_dw = ring->ring_size / 4;
> > @@ -421,7 +422,6 @@ int radeon_ring_init(struct radeon_device *rdev,
> > struct radeon_ring *ring, unsig
> >          ring->next_rptr_gpu_addr = rdev->wb.gpu_addr + index;
> >          ring->next_rptr_cpu_addr = &rdev->wb.wb[index/4];
> >      }
> > -    radeon_debugfs_ring_init(rdev, ring);
> >      radeon_ring_lockup_update(rdev, ring);
> >      return 0;
> >  }
> >
>




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