Pimp up 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.lesp...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index f602924..71d3487 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -900,7 +900,8 @@ static void g4x_wait_for_vblank(struct drm_device *dev, int
pipe)
frame = I915_READ(frame_reg);
if (wait_for(I915_READ_NOTRACE(frame_reg) != frame, 50))
- WARN(1, "vblank wait timed out\n");
+ WARN(1, "vblank wait on pipe %c timed out\n",
+ pipe_name(pipe));
}
/**
@@ -941,7 +942,8 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe)
if (wait_for(I915_READ(pipestat_reg) &
PIPE_VBLANK_INTERRUPT_STATUS,
50))
- DRM_DEBUG_KMS("vblank wait timed out\n");
+ DRM_DEBUG_KMS("vblank wait on pipe %c timed out\n",
+ pipe_name(pipe));
}
static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe)
--
1.8.3.1
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