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drm/msm: Ratelimit invalid-fence message 

[ Upstream commit 7ad48d27a2846bfda29214fb454d001c3e02b9e7 ]

We have seen a couple cases where low memory situations cause something
bad to happen, followed by a flood of these messages obscuring the root
cause.  Lets ratelimit the dmesg spam so that next time it happens we
don't lose the kernel traces leading up to this.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rob Clark 2021-03-17 09:40:38 -07:00 committed by Greg Kroah-Hartman
parent daf5aaa8e6
commit e84a795b8a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/msm/msm_fence.c
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@ -45,7 +45,7 @@ int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
int ret;
if (fence > fctx->last_fence) {
DRM_ERROR("%s: waiting on invalid fence: %u (of %u)\n",
DRM_ERROR_RATELIMITED("%s: waiting on invalid fence: %u (of %u)\n",
fctx->name, fence, fctx->last_fence);
return -EINVAL;
}