From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 26 Nov 2014 15:29:04 +0000 (+0100)
Subject: drm/i915: Tune down spurious CRC interrupt warning
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=34273620d9227b61b82257e56d2d190abb9de2d8;p=openwrt%2Fstaging%2Fblogic.git

drm/i915: Tune down spurious CRC interrupt warning

We don't really synchronously turn them off from debugfs. We try to
avoid hitting them too badly by waiting one vblank, but apparently the
irq handler can still race through that gap.

Since this isn't really all that important for testcases, only for
debugging CRC issues let's tune it down to a debug message.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82602
Cc: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index c02648f32a76..4eea1818b1ab 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1621,7 +1621,7 @@ static void display_pipe_crc_irq_handler(struct drm_device *dev, enum pipe pipe,
 
 	if (!pipe_crc->entries) {
 		spin_unlock(&pipe_crc->lock);
-		DRM_ERROR("spurious interrupt\n");
+		DRM_DEBUG_KMS("spurious interrupt\n");
 		return;
 	}