drm/i915/gt: Avoid using tag 0 for the very first submission
authorChris Wilson <chris@chris-wilson.co.uk>
Sun, 29 Dec 2019 18:31:48 +0000 (18:31 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Mon, 30 Dec 2019 13:44:25 +0000 (13:44 +0000)
commit7b02b23e5dd0ddd01cc7845d67eae281d52523a1
treeae417b4873935bca2edaaccb5f1221083d37429d
parent987281ab02af9200e02f1d0cefc51d22dc0f5a62
drm/i915/gt: Avoid using tag 0 for the very first submission

Assume that the HW starts off with tag 0 "active" and so avoid using tag
0 for our own first ELSP submission.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191229183153.3719869-2-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/gt/intel_lrc.c