From: John Harrison <John.C.Harrison@xxxxxxxxx>
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@xxxxxxxxx>
---
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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