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-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index bc5fdb4e47b1..7fea61b00b99 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -902,6 +902,11 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
static void
tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
{
+ /* Wa_1409420604:tgl */
+ if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0))
+ wa_write_or(wal,
+ SUBSLICE_UNIT_LEVEL_CLKGATE2,
+ CPSSUNIT_CLKGATE_DIS);
}
static void