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drm/i915/mtl: Add Wa_14015846243 to fix OA vs CS timestamp mismatch

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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 <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221212220902.1819159-3-umesh.nerlige.ramappa@intel.com
This commit is contained in:
Umesh Nerlige Ramappa 2022-12-12 14:09:00 -08:00 committed by John Harrison
parent a4b6e74c88
commit a6b443020f
1 changed files with 5 additions and 2 deletions
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7
drivers/gpu/drm/i915/i915_perf.c
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@ -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;