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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-10-14 22:18:06 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-10-16 18:21:48 +0300 |
| commit | 9704c1cbedfd05a6a29017d580a2819964420511 (patch) | |
| tree | 7eb3b51a2fe3de7281a9e16ed78f749dbb09ac3d /tools/perf/scripts/python/stackcollapse.py | |
| parent | b95e31cdfc87c780249ac3fcec2198ceb50d140d (diff) | |
| download | linux-9704c1cbedfd05a6a29017d580a2819964420511.tar.gz linux-9704c1cbedfd05a6a29017d580a2819964420511.zip | |
drm/i915/wm: Add WM0 prefill helpers
Add skl_wm0_prefill_lines() (based on the actual state) and
skl_wm0_prefill_lines_worst() (worst case estimate) which
tell us how many extra lines are needed in prefill for WM0.
The returned numbers are in .16 binary fixed point.
TODO: skl_wm0_prefill_lines_worst() is a bit rough still
v2: Drop all pre-icl FIXMEs since this only gets used for VRR guardband
Reviewed-by: Uma Shankar <uma.shankar@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20251014191808.12326-8-ville.syrjala@linux.intel.com
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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