From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Fri, 12 Nov 2010 13:36:26 +0000 (+0000)
Subject: drm/i915: Extend hangcheck timeout
X-Git-Tag: firefly_0821_release~7613^2~3065^2~23^2~67
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=576ae4b8e46b4cb9d5390f4348c265329793d9bf;p=firefly-linux-kernel-4.4.55.git

drm/i915: Extend hangcheck timeout

... reduce the frequency of checking to further reduce the wakeups and
CPU overhead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5afcf2a07cfc..eb3f1f756e81 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -315,7 +315,7 @@ typedef struct drm_i915_private {
 	int num_pipe;
 
 	/* For hangcheck timer */
-#define DRM_I915_HANGCHECK_PERIOD 250 /* in ms */
+#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
 	struct timer_list hangcheck_timer;
 	int hangcheck_count;
 	uint32_t last_acthd;