[PATCH 67/81] drm/i915: WARN if the pipe won't turn off

Daniel Vetter
2012-07-11T15:36:41Z

This seems to be the symptom of a few neat bugs, hence be more
obnoxious when this fails.

Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/i915/intel_display.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b479755..03f3cd3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1005,7 +1005,7 @@ void intel_wait_for_pipe_off(struct drm_device *dev, int pipe)
/* Wait for the Pipe State to go off */
if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0,
100))
- DRM_DEBUG_KMS("pipe_off wait timed out\n");
+ WARN(1, "pipe_off wait timed out\n");
} else {
u32 last_line, line_mask;
int reg = PIPEDSL(pipe);
@@ -1023,7 +1023,7 @@ void intel_wait_for_pipe_off(struct drm_device *dev, int pipe)
} while (((I915_READ(reg) & line_mask) != last_line) &&
time_after(timeout, jiffies));
if (time_after(jiffies, timeout))
- DRM_DEBUG_KMS("pipe_off wait timed out\n");
+ WARN(1, "pipe_off wait timed out\n");
}
}

--
1.7.7.6