Avoid possible cs hang with semaphores by disabling
lite restore.
Signed-off-by: Mika Kuoppala <[email protected]>
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c
b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 1ef23735c1f6..580d99d18e71 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1048,6 +1048,10 @@ static u64 execlists_update_context(const struct
i915_request *rq)
desc = ce->lrc_desc;
ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE;
+ /* Wa_1607138340:tgl */
+ if (IS_TGL_REVID(rq->i915, TGL_REVID_A0, TGL_REVID_A0))
+ desc |= CTX_DESC_FORCE_RESTORE;
+
return desc;
}
--
2.17.1
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