[CI,12/12] drm/i915/tgl: Wa_1607138340
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Message ID 20191015204451.19372-12-chris@chris-wilson.co.uk
State New
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Series
  • [CI,01/12] drm/i915/icl: Wa_1607087056
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Commit Message

Chris Wilson Oct. 15, 2019, 8:44 p.m. UTC
From: Mika Kuoppala <mika.kuoppala@linux.intel.com>

Avoid possible cs hang with semaphores by disabling
lite restore.

Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-11-mika.kuoppala@linux.intel.com
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
diff mbox series

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 96e28a07bc48..e55124e49f29 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;
 }