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drm/xe/ufence: ufence can be signaled right after wait_woken

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do_comapre() can return success after a timedout wait_woken() which was
treated as -ETIME. The loop calling wait_woken() sets correct err so
there is no need to re-evaluate err.

v2: Remove entire check that reevaluate err at the end(Matt)

Fixes: e670f0b4ef ("drm/xe/uapi: Return correct error code for xe_wait_user_fence_ioctl")
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630
Cc: stable@vger.kernel.org # v6.8+
Cc: Bommu Krishnaiah <krishnaiah.bommu@intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241011151029.4160630-1-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
This commit is contained in:
Nirmoy Das 2024-10-11 17:10:29 +02:00
parent 735be7acc5
commit ec7e6a1d52
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/xe/xe_wait_user_fence.c
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@ -169,9 +169,6 @@ int xe_wait_user_fence_ioctl(struct drm_device *dev, void *data,
args->timeout = 0;
}
if (!timeout && !(err < 0))
err = -ETIME;
if (q)
xe_exec_queue_put(q);