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authorRob Clark <robdclark@chromium.org>2020-10-23 09:51:16 -0700
committerRob Clark <robdclark@chromium.org>2020-11-04 16:00:56 -0800
commit77d205290aa944895cf7e8bea500b8fd95a6b05b (patch)
treeb2cc8fd3c7501168fc7a0ce2077af832dc9b8b19 /drivers/gpu/drm/msm/msm_ringbuffer.c
parent77c406038e830a4b6219b14a116cd2a6ac9f4908 (diff)
downloadlinux-77d205290aa944895cf7e8bea500b8fd95a6b05b.tar.bz2
drm/msm: Protect ring->submits with it's own lock
One less place to rely on dev->struct_mutex. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org> Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/msm/msm_ringbuffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_ringbuffer.c b/drivers/gpu/drm/msm/msm_ringbuffer.c
index 1b6958e908dc..4d2a2a4abef8 100644
--- a/drivers/gpu/drm/msm/msm_ringbuffer.c
+++ b/drivers/gpu/drm/msm/msm_ringbuffer.c
@@ -46,6 +46,7 @@ struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int id,
ring->memptrs_iova = memptrs_iova;
INIT_LIST_HEAD(&ring->submits);
+ spin_lock_init(&ring->submit_lock);
spin_lock_init(&ring->preempt_lock);
snprintf(name, sizeof(name), "gpu-ring-%d", ring->id);