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drm/i915/intel_panel: Avoid calls to intel_panel_fixed_mode() in mode_valid

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Currently, most callers of intel_panel_mode_valid() also call
intel_panel_fixed_mode(). This is done either to check for the presence of
a fixed mode for the connector or to get the clock of the fixed mode, which
is then compared against the max dotclock for the pipe.

Since intel_panel_mode_valid() already calls intel_panel_fixed_mode()
internally, we can avoid yet another call to intel_panel_fixed_mode() from
the caller.

Remove the redundant call to intel_panel_fixed_mode() in mode_valid paths.
To get the clock for the fixed mode, extend the helper
intel_panel_mode_valid() to accept 'target_clock' as an out param.
The 'target_clock' can then be used by the callers to check against the
max dotclock.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260430131220.3891497-3-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2026-04-30 18:42:17 +05:30
commit 9cdd4ec956
7 changed files with 24 additions and 33 deletions
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