Messages in this thread Patch in this message | | | Date | Tue, 26 May 2015 08:34:49 -0500 | From | Clark Williams <> | Subject | Re: [ANNOUNCE] 4.0.4-rt1 |
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On Tue, 19 May 2015 23:39:23 +0200 Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> Dear RT folks! > > I'm pleased to announce the v4.0.4-rt1 patch set. >
Sebastian,
The i915 driver has a 'WARN_ON(!in_interrupt())' in the display handler, which whines constantly on the RT kernel (since the interrupt is actually handled in a threaded handler and not actual interrupt context).
Ifdef it out for PREEMPT_RT_FULL.
Signed-off-by: Clark Williams <williams@redhat.com> --- drivers/gpu/drm/i915/intel_display.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f75173c20f47..f532b22f56ba 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9745,7 +9745,9 @@ void intel_check_page_flip(struct drm_device *dev, int pipe) struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); +#ifndef CONFIG_PREEMPT_RT_FULL WARN_ON(!in_interrupt()); +#endif if (crtc == NULL) return;
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