drm-i915-hush-check-crtc-state.patch

From 63a9dfe66b3b82b6eb10c6548aaf22dd7e543d2d Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Mon, 10 Jul 2017 08:11:48 -0700
Subject: [PATCH] drm/i915: hush check crtc state

This is _by far_ the most common backtrace for i915 on retrace.fp.o, and
it's mostly useless noise.  There's not enough context when it's generated
to know if something actually went wrong.  Downgrade the message to
KMS debugging so we can still get it if we want it.

Bugzilla: 1027037 1028785
Upstream-status: http://lists.freedesktop.org/archives/intel-gfx/2013-November/035948.html
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index dec9e58..620f378a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12277,7 +12277,7 @@ verify_crtc_state(struct drm_crtc *crtc,
 	sw_config = to_intel_crtc_state(new_crtc_state);
 	if (!intel_pipe_config_compare(dev_priv, sw_config,
 				       pipe_config, false)) {
-		I915_STATE_WARN(1, "pipe state doesn't match!\n");
+		DRM_DEBUG_KMS("pipe state doesn't match!\n");
 		intel_dump_pipe_config(intel_crtc, pipe_config,
 				       "[hw state]");
 		intel_dump_pipe_config(intel_crtc, sw_config,
-- 
2.7.5