[Intel-gfx] [PATCH] drm/i915: Extend Wa_14015795083 platforms

[Matt Roper]

This workaround was already implemented for DG2, PVC, and some steppings
of MTL, but the workaround database has now been updated to extend this
workaround to TGL, RKL, DG1, and ADL.

Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 4d2dece96011..95d6f23b2605 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1485,6 +1485,9 @@ gen12_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
 
 	/* Wa_14011059788:tgl,rkl,adl-s,dg1,adl-p */
 	wa_mcr_write_or(wal, GEN10_DFR_RATIO_EN_AND_CHICKEN, DFR_DISABLE);
+
+	/* Wa_14015795083 */
+	wa_write_clr(wal, GEN7_MISCCPCTL, GEN12_DOP_CLOCK_GATE_RENDER_ENABLE);
 }
 
 static void
-- 
2.40.1