drm/i915/cdclk: Use the TGL+ CD2x pipe select bits also on ICL

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Turns out both CDCLK_CTL pipe select 0b110 (what Bspec lists for
pipe C on ICL) and 0b100 (what BSpec lists for pipe C on TGL+)
actually select pipe C on ICL. So we can get rid of the weird
ICL special case and just use the simpler TGL+ definition of
the pipe select bits.

This was reverse engineered with a hacked up intel_display_poller.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260612173653.7830-7-ville.syrjala@linux.intel.com
Reviewed-by: Michał Grzelak <michal.grzelak@intel.com>

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This commit is contained in:

Ville Syrjälä 2026-06-12 20:36:53 +03:00

parent 67d77d9472

commit 8984b402e0

2 changed files with 4 additions and 14 deletions

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11

drivers/gpu/drm/i915/display/intel_cdclk.c

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7

drivers/gpu/drm/i915/display/intel_display_regs.h

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