[PATCH 5/8] hmm
Chris Wilson
chris at chris-wilson.co.uk
Sat Dec 28 17:16:15 UTC 2019
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 8a9412e94c49..17125fe7214a 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2518,8 +2518,13 @@ static void execlists_context_reset(struct intel_context *ce)
execlists_init_reg_state(ce->lrc_reg_state,
ce, ce->engine, ce->ring, false);
__execlists_update_reg_state(ce, ce->engine);
+
+ /* Avoid trying to reload the garbage */
ce->lrc_reg_state[CTX_CONTEXT_CONTROL] |=
_MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT);
+ if (INTEL_GEN(ce->engine->i915) < 11)
+ ce->lrc_reg_state[CTX_CONTEXT_CONTROL] |=
+ _MASKED_BIT_ENABLE(CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT);
ce->lrc_desc |= CTX_DESC_FORCE_RESTORE;
}
--
2.25.0.rc0
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