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drm/msm: Document and rename preempt_lock

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[ Upstream commit 77c406038e830a4b6219b14a116cd2a6ac9f4908 ]

Before adding another lock, give ring->lock a more descriptive name.

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>
Stable-dep-of: b4fb748f0b73 ("drm/msm/a5xx: fix the emptyness check in the preempt code")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rob Clark
2020-10-23 09:51:15 -07:00
committed by Greg Kroah-Hartman
parent 00c2020b8b
commit 8dde1d9d6f
5 changed files with 17 additions and 12 deletions
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2
drivers/gpu/drm/msm/msm_ringbuffer.c
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@@ -46,7 +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->lock);
spin_lock_init(&ring->preempt_lock);
snprintf(name, sizeof(name), "gpu-ring-%d", ring->id);