[Intel-gfx] [PATCH] drm/i915/ehl: Wa_22010271021

[Dhanavanthri, Swathi]

Maybe we can add JSL to the comment too.
Other than that looks good to me.

Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri at intel.com>

-----Original Message-----
From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Matt Atwood
Sent: Tuesday, May 19, 2020 9:26 AM
To: intel-gfx at lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] drm/i915/ehl: Wa_22010271021

Reflect recent Bspec changes.

Bspec: 33451

Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 90a2b9e399b0..fa1e15657663 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1484,6 +1484,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		wa_write_or(wal,
 			    GEN7_FF_THREAD_MODE,
 			    GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
+
+		/* Wa_22010271021:ehl */
+		if (IS_ELKHARTLAKE(i915))
+			wa_masked_en(wal,
+				     GEN9_CS_DEBUG_MODE1,
+				     FF_DOP_CLOCK_GATE_DISABLE);
 	}
 
 	if (IS_GEN_RANGE(i915, 9, 12)) {
-- 
2.21.3

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