[v2,07/14] drm/i915/tgl: Add note to Wa_1607297627
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Message ID 20200226014603.42190-7-jose.souza@intel.com
State New
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Series
  • [v2,01/14] drm/i915/tgl: Split GT and display workarounds
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Commit Message

José Roberto de Souza Feb. 26, 2020, 1:45 a.m. UTC
Add note about the confliting information in BSpec about this WA.

BSpec: 52890
Acked-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index bc0af522542b..143ff3daab0d 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1343,9 +1343,13 @@  rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 			    GEN9_CTX_PREEMPT_REG,
 			    GEN12_DISABLE_POSH_BUSY_FF_DOP_CG);
 
-		/* Wa_1607030317:tgl */
-		/* Wa_1607186500:tgl */
-		/* Wa_1607297627:tgl */
+		/*
+		 * Wa_1607030317:tgl
+		 * Wa_1607186500:tgl
+		 * Wa_1607297627:tgl there is 3 entries for this WA on BSpec, 2
+		 * of then says it is fixed on B0 the other one says it is
+		 * permanent
+		 */
 		wa_masked_en(wal,
 			     GEN6_RC_SLEEP_PSMI_CONTROL,
 			     GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE |