diff options
| author | Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> | 2022-12-13 01:09:00 +0300 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2022-12-17 11:54:49 +0300 |
| commit | a6b443020faca5f56d1d28e9d7ceab0e386e9e7f (patch) | |
| tree | fa0cf07af8aec0b9d27178bb104a6657845f9f92 /drivers/gpu/drm/i915/i915_perf.c | |
| parent | a4b6e74c88cc9c15257d1aaee8024d8eaa9813e7 (diff) | |
| download | linux-a6b443020faca5f56d1d28e9d7ceab0e386e9e7f.tar.xz | |
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 <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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index cdd66f21c3ba..aedc4cfc46c9 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; |