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authorMatt Roper <matthew.d.roper@intel.com>2022-06-01 08:07:23 -0700
committerMatt Roper <matthew.d.roper@intel.com>2022-06-02 07:19:20 -0700
commitbc3c5e0809ae9faa039baf75547e8ee46ec124ef (patch)
tree86b14d87a8c2451cf1ba9428dd215ac702f280ed /tools/perf/scripts/python/export-to-postgresql.py
parent4cfd16659641067f618cdd3589eda42eb2943399 (diff)
drm/i915/sseu: Don't try to store EU mask internally in UAPI format
Storing the EU mask internally in the same format the I915_QUERY topology queries use makes the final copy_to_user() a bit simpler, but makes the rest of the driver's SSEU more complicated and harder to follow. Let's switch to an internal representation that's more natural: Xe_HP platforms will be a simple array of u16 masks, whereas pre-Xe_HP platforms will be a two-dimensional array, indexed by [slice][subslice]. We'll convert to the uapi format only when the query uapi is called. v2: - Drop has_common_ss_eumask. We waste some space repeating identical EU masks for every single DSS, but the code is simpler without it. (Tvrtko) v3: - Mask down EUs passed to sseu_set_eus at the callsite rather than inside the function. (Tvrtko) - Eliminate sseu->eu_stride and calculate it when needed. (Tvrtko) Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220601150725.521468-5-matthew.d.roper@intel.com
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