From a6b443020faca5f56d1d28e9d7ceab0e386e9e7f Mon Sep 17 00:00:00 2001 From: Umesh Nerlige Ramappa Date: Mon, 12 Dec 2022 14:09:00 -0800 Subject: [PATCH] drm/i915/mtl: Add Wa_14015846243 to fix OA vs CS timestamp mismatch Similar to ACM, OA timestamp that is part of the OA report is shifted when compared to the CS timestamp. Add MTL to the WA. Signed-off-by: Umesh Nerlige Ramappa Reviewed-by: Ashutosh Dixit Signed-off-by: John Harrison Link: https://patchwork.freedesktop.org/patch/msgid/20221212220902.1819159-3-umesh.nerlige.ramappa@intel.com --- drivers/gpu/drm/i915/i915_perf.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index cdd66f2..aedc4cf 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3139,8 +3139,11 @@ get_sseu_config(struct intel_sseu *out_sseu, */ u32 i915_perf_oa_timestamp_frequency(struct drm_i915_private *i915) { - /* Wa_18013179988:dg2 */ - if (IS_DG2(i915)) { + /* + * Wa_18013179988:dg2 + * Wa_14015846243:mtl + */ + if (IS_DG2(i915) || IS_METEORLAKE(i915)) { intel_wakeref_t wakeref; u32 reg, shift; -- 2.7.4