drm/i915/vlv: reduce GT FIFO error info to a debug message
It indicates a probable BIOS bug, but it appears to be harmless, and
there's nothing the user can do about it anyway, so reduce to a debug
msg. I've filed a bug with the BIOS folks about it anyway, so hopefully
they'll fix whatever GT SB read they were doing when the GT was off.
References: https://bugs.freedesktop.org/show_bug.cgi?id=69396
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 102fc49..10054b5 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3804,7 +3804,8 @@
WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock));
if ((gtfifodbg = I915_READ(GTFIFODBG))) {
- DRM_ERROR("GT fifo had a previous error %x\n", gtfifodbg);
+ DRM_DEBUG_DRIVER("GT fifo had a previous error %x\n",
+ gtfifodbg);
I915_WRITE(GTFIFODBG, gtfifodbg);
}