28 lines
952 B
Diff
28 lines
952 B
Diff
From: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
|
|
Date: Mon, 29 May 2017 15:33:52 +0200
|
|
Subject: [PATCH] drm/i915: init spinlock properly on -RT
|
|
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.11/older/patches-4.11.5-rt1.tar.xz
|
|
|
|
THe lockinit is opencoded so need to fix it up…
|
|
|
|
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
|
|
---
|
|
drivers/gpu/drm/i915/i915_gem_timeline.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
--- a/drivers/gpu/drm/i915/i915_gem_timeline.c
|
|
+++ b/drivers/gpu/drm/i915/i915_gem_timeline.c
|
|
@@ -50,7 +50,12 @@ static int __i915_gem_timeline_init(stru
|
|
tl->fence_context = fences++;
|
|
tl->common = timeline;
|
|
#ifdef CONFIG_DEBUG_SPINLOCK
|
|
+# ifdef CONFIG_PREEMPT_RT_FULL
|
|
+ rt_mutex_init(&tl->lock.lock);
|
|
+ __rt_spin_lock_init(&tl->lock, lockname, lockclass);
|
|
+# else
|
|
__raw_spin_lock_init(&tl->lock.rlock, lockname, lockclass);
|
|
+# endif
|
|
#else
|
|
spin_lock_init(&tl->lock);
|
|
#endif
|