From 79655e867ad6dfde2734c67c7704c0dd5bf1e777 Mon Sep 17 00:00:00 2001 From: Angus Chen Date: Fri, 24 May 2024 17:33:49 +0000 Subject: [PATCH] drm/i915/mtl: Update workaround 14018575942 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: Angus Chen Reviewed-by: Andi Shyti Signed-off-by: Andi Shyti Link: https://patchwork.freedesktop.org/patch/msgid/20240426073638.45775-1-angus.chen@intel.com --- 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 5a0f1b279a80d..09a287c1aedd6 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -1590,6 +1590,14 @@ 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);