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authorChris Wilson <chris@chris-wilson.co.uk>2016-08-04 15:32:36 (GMT)
committerChris Wilson <chris@chris-wilson.co.uk>2016-08-04 19:20:02 (GMT)
commitb5add9591ca5b869b8c9c559e16ccab8a8ba4727 (patch)
tree4beced6e04330424accd83ef57ab79c798541209 /drivers/gpu/drm/i915/i915_drv.h
parent5d723d7afd320e687ebb59f7ac741b0ab02d77e8 (diff)
downloadlinux-b5add9591ca5b869b8c9c559e16ccab8a8ba4727.tar.xz
drm/i915: Make fb_tracking.lock a spinlock
We only need a very lightweight mechanism here as the locking is only used for co-ordinating a bitfield. v2: Move the cheap unlikely tests into the caller v3: Move the kerneldoc into the header (now separated out into intel_fronbuffer.h for better kerneldoc and readability) Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtien <joonas.lahtinen@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1470324762-2545-20-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7ba9905..b26f5b1 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1669,7 +1669,7 @@ struct intel_pipe_crc {
};
struct i915_frontbuffer_tracking {
- struct mutex lock;
+ spinlock_t lock;
/*
* Tracking bits for delayed frontbuffer flushing du to gpu activity or