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drm/xe: Assert G2H outstanding when releasing G2H

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Ensure we are managing G2H credits correctly. Extra important now that
this is tied to PM.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240725231801.1958038-1-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2024-07-25 16:18:01 -07:00
parent be8f9f4c86
commit 5e9209c373
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/xe/xe_guc_ct.c
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@ -516,6 +516,7 @@ static void __g2h_release_space(struct xe_guc_ct *ct, u32 g2h_len)
lockdep_assert_held(&ct->fast_lock);
xe_gt_assert(ct_to_gt(ct), ct->ctbs.g2h.info.space + g2h_len <=
ct->ctbs.g2h.info.size - ct->ctbs.g2h.info.resv_space);
xe_gt_assert(ct_to_gt(ct), ct->g2h_outstanding);
ct->ctbs.g2h.info.space += g2h_len;
if (!--ct->g2h_outstanding)