The WA should be extended to cover VDBOX engine. We found that
28-channels 1080p VP9 encoding may hit this issue.

v3: update the WA number and explain the reason why
    this workaround is needed
v2: add WA number
v1: initial version

Signed-off-by: Chen, Angus <[email protected]>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c 
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index d1ab560fcdfc..05d56103ddab 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1586,6 +1586,14 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct 
i915_wa_list *wal)
         */
        wa_write_or(wal, XELPMP_GSC_MOD_CTRL, FORCE_MISS_FTLB);
 
+       /*
+        * Wa_14018575942
+        *
+        * Issue is seen on media KPI test running on VDBOX engine
+        * especially VP9 encoding WLs
+        */
+       wa_write_or(wal, XELPMP_VDBX_MOD_CTRL, FORCE_MISS_FTLB);
+
        /* Wa_22016670082 */
        wa_write_or(wal, GEN12_SQCNT1, GEN12_STRICT_RAR_ENABLE);
 
-- 
2.34.1

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