From: Swathi Dhanavanthri <[email protected]>

Set GS Timer to 224 to prevent a HS/DS hang.

Bspec: 53508

v2: reword commit message and add comment explaining why read
verification is ignored (Chris)

Cc: Matt Roper <[email protected]>
Signed-off-by: Swathi Dhanavanthri <[email protected]>
Signed-off-by: Lucas De Marchi <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c 
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 7c6b21ced56f..a81728c52bd5 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -686,6 +686,16 @@ static void dg1_ctx_workarounds_init(struct 
intel_engine_cs *engine,
        /* Wa_22010493298 */
        WA_SET_BIT_MASKED(HIZ_CHICKEN,
                          DG1_HZ_READ_SUPPRESSION_OPTIMIZATION_DISABLE);
+
+       /*
+        * Wa_16011163337
+        *
+        * Like in tgl_ctx_workarounds_init(), read verification is ignored due
+        * to Wa_1608008084.
+        */
+       wa_add(wal,
+              FF_MODE2,
+              FF_MODE2_GS_TIMER_MASK, FF_MODE2_GS_TIMER_224, 0);
 }
 
 static void
-- 
2.29.2

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