From 8726a2a4df4db2bc7e5ac3f9b5c582bbd384ce6b Mon Sep 17 00:00:00 2001
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Date: Tue, 22 Oct 2019 10:47:21 +0100
Subject: drm/i915: Split drop caches into GT and i915 parts
Git-commit: 8726a2a4df4db2bc7e5ac3f9b5c582bbd384ce6b
Patch-mainline: v5.5-rc1
References: bsc#1152489

Just compartmentalizes code a bit more.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022094726.3001-8-tvrtko.ursulin@linux.intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index ada57eee914a..16211430eb78 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3648,17 +3648,11 @@ i915_drop_caches_get(void *data, u64 *val)
 
 	return 0;
 }
-
 static int
-i915_drop_caches_set(void *data, u64 val)
+gt_drop_caches(struct intel_gt *gt, u64 val)
 {
-	struct drm_i915_private *i915 = data;
-	struct intel_gt *gt = &i915->gt;
 	int ret;
 
-	DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n",
-		  val, val & DROP_ALL);
-
 	if (val & DROP_RESET_ACTIVE &&
 	    wait_for(intel_engines_are_idle(gt), I915_IDLE_ENGINES_TIMEOUT))
 		intel_gt_set_wedged(gt);
@@ -3681,6 +3675,22 @@ i915_drop_caches_set(void *data, u64 val)
 	if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(gt))
 		intel_gt_handle_error(gt, ALL_ENGINES, 0, NULL);
 
+	return 0;
+}
+
+static int
+i915_drop_caches_set(void *data, u64 val)
+{
+	struct drm_i915_private *i915 = data;
+	int ret;
+
+	DRM_DEBUG("Dropping caches: 0x%08llx [0x%08llx]\n",
+		  val, val & DROP_ALL);
+
+	ret = gt_drop_caches(&i915->gt, val);
+	if (ret)
+		return ret;
+
 	fs_reclaim_acquire(GFP_KERNEL);
 	if (val & DROP_BOUND)
 		i915_gem_shrink(i915, LONG_MAX, NULL, I915_SHRINK_BOUND);
-- 
2.28.0