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(parent: fcf2af7) | patch
drm/i915: add note on VLV/CHV hpll_freq and czclk_freq caching
authorJani Nikula <jani.nikula@intel.com>
Wed, 17 Sep 2025 13:52:00 +0000 (16:52 +0300)
committerJani Nikula <jani.nikula@intel.com>
Thu, 18 Sep 2025 06:28:41 +0000 (09:28 +0300)
commit7a356ee5cf6dad1c7d305eea261a03a925454ed6
tree004bdd132d1e33e82e149021b2d9060933ca4499tree | snapshot
parentfcf2af765c1e4f47f2fc8aa8ce7d368fc5728f46commit | diff
drm/i915: add note on VLV/CHV hpll_freq and czclk_freq caching

The caching at the initial read is a bit fragile in case, say, a further
refactoring starts reading the frequencies at a time where it's not
possible. Add a note about it.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20250917135200.1932903-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/display/vlv_clock.c diff | blob | blame | history
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