drm/i915: Print the pipe on which the vblank wait times out
Improve the debug message that tells us we've been waiting for a vblank that never arrived. Printing the pipe could lead a "doh!" moment where we've been waiting for a vblank on a pipe that was off for instance. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> Reviewed-by: Thomas Wood <thomas.wood@intel.com> [danvet: Polish commit message a bit.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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@ -900,7 +900,8 @@ static void g4x_wait_for_vblank(struct drm_device *dev, int pipe)
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frame = I915_READ(frame_reg);
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if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50))
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WARN(1, "vblank wait timed out\n");
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WARN(1, "vblank wait on pipe %c timed out\n",
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pipe_name(pipe));
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}
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/**
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@ -941,7 +942,8 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe)
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if (wait_for(I915_READ(pipestat_reg) &
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PIPE_VBLANK_INTERRUPT_STATUS,
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50))
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DRM_DEBUG_KMS("vblank wait timed out\n");
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DRM_DEBUG_KMS("vblank wait on pipe %c timed out\n",
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pipe_name(pipe));
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}
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static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe)
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