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/openbmc/linux/drivers/gpu/drm/i915/gvt/ |
H A D | cmd_parser.c | 0aaee4cc Wed Nov 16 05:05:50 CST 2016 Pei Zhang <pei.zhang@intel.com> drm/i915/gvt: check workload empty before real scan
This patch will fix warning log print during command scan caused by empty workload (ring head equals tail). This patch avoid going into real scan process if workload is empty. It's guest's responsibility to make sure if an empty workload is proper to submit to HW.
[v2] modify the patch description. It's a fix, not a w/a.
Signed-off-by: Pei Zhang <pei.zhang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> 0aaee4cc Wed Nov 16 05:05:50 CST 2016 Pei Zhang <pei.zhang@intel.com> drm/i915/gvt: check workload empty before real scan This patch will fix warning log print during command scan caused by empty workload (ring head equals tail). This patch avoid going into real scan process if workload is empty. It's guest's responsibility to make sure if an empty workload is proper to submit to HW. [v2] modify the patch description. It's a fix, not a w/a. Signed-off-by: Pei Zhang <pei.zhang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
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