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drm: Improve debug output for drm_wait_one_vblank
This replicates what we've done in i915 in
commit 31e4b89acb
Author: Damien Lespiau <damien.lespiau@intel.com>
Date: Mon Aug 18 13:51:00 2014 +0100
drm/i915: Print the pipe on which the vblank wait times out
to make sure that when we switch i915 to drm_wait_one_vblank that the
debug output doesn't regress.
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Thomas Wood <thomas.wood@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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@ -1077,7 +1077,7 @@ void drm_wait_one_vblank(struct drm_device *dev, int crtc)
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u32 last;
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u32 last;
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ret = drm_vblank_get(dev, crtc);
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ret = drm_vblank_get(dev, crtc);
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if (WARN_ON(ret))
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if (WARN(ret, "vblank not available on crtc %i, ret=%i\n", crtc, ret))
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return;
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return;
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last = drm_vblank_count(dev, crtc);
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last = drm_vblank_count(dev, crtc);
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@ -1086,7 +1086,7 @@ void drm_wait_one_vblank(struct drm_device *dev, int crtc)
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last != drm_vblank_count(dev, crtc),
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last != drm_vblank_count(dev, crtc),
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msecs_to_jiffies(100));
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msecs_to_jiffies(100));
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WARN_ON(ret == 0);
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WARN(ret == 0, "vblank wait timed out on crtc %i\n", crtc);
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drm_vblank_put(dev, crtc);
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drm_vblank_put(dev, crtc);
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}
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}
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