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| author |   Lyude Paul <lyude@redhat.com> | 2021-05-14 14:14:55 -0400 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2021-06-09 13:35:18 -0400 |
| commit | 4154fa0e2688118ba3dbc67aa834435463f9ea68 (patch) | |
| tree | da2cdc0dc190a3f689e3b37e999c8f8d5f0b1895 /tools/perf/scripts/python/flamegraph.py | |
| parent | drm/bridge: ti-sn65dsi83: Fix sparse warnings (diff) | |
drm/i915/dpcd_bl: Remove redundant AUX backlight frequency calculations
Noticed this while moving all of the VESA backlight code in i915 over to
DRM helpers: it would appear that we calculate the frequency value we want
to write to DP_EDP_BACKLIGHT_FREQ_SET twice even though this value never
actually changes during runtime. So, let's simplify things by just caching
this value in intel_panel.backlight, and re-writing it as-needed.
Changes since v1:
* Wrap panel->backlight.edp.vesa.pwm_freq_pre_divider in
DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP check - Jani
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Dave Airlie <airlied@gmail.com>
Cc: greg.depoire@gmail.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514181504.565252-2-lyude@redhat.com
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
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