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* [Intel-gfx] [PATCH] drm/i915: Correct location of Wa_1408615072
@ 2020-07-10 21:32 John.C.Harrison
  2020-07-10 22:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: John.C.Harrison @ 2020-07-10 21:32 UTC (permalink / raw)
  To: Intel-GFX

From: John Harrison <John.C.Harrison@Intel.com>

The above workaround was added as an engine workaround not a GT
workaround. Moved it to the correct location.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 5726cd0a37e0..a6548a77439c 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1191,6 +1191,12 @@ tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
 		wa_write_or(wal,
 			    SLICE_UNIT_LEVEL_CLKGATE,
 			    L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
+
+	/* Wa_1408615072:tgl[a0] */
+	/* Empirical testing shows this register is unaffected by engine reset. */
+	if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0))
+		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
+			    VSUNIT_CLKGATE_DIS_TGL);
 }
 
 static void
@@ -1648,10 +1654,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		wa_write_or(wal,
 			    GEN7_SARCHKMD,
 			    GEN7_DISABLE_SAMPLER_PREFETCH);
-
-		/* Wa_1408615072:tgl */
-		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
-			    VSUNIT_CLKGATE_DIS_TGL);
 	}
 
 	if (IS_TIGERLAKE(i915)) {
-- 
2.25.1

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end of thread, other threads:[~2020-11-24 23:07 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-07-10 21:32 [Intel-gfx] [PATCH] drm/i915: Correct location of Wa_1408615072 John.C.Harrison
2020-07-10 22:43 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-07-11  2:27 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-07-24 21:21 ` [Intel-gfx] [PATCH] " Daniele Ceraolo Spurio
2020-11-24 23:07   ` Lucas De Marchi

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