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(parent: 29ed559) | patch
drm/i915: Document the GMCH_CTRL register a bit
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Mon, 8 Dec 2025 18:26:37 +0000 (20:26 +0200)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Fri, 23 Jan 2026 03:20:58 +0000 (05:20 +0200)
commit42bb7bdae97cc4e285fb741d9ebd1f5a36fe3f94
treec1a04289edf4bdc572b4dc4e8d25ccbd8ddfaa83tree | snapshot
parent29ed5593ca202da679493c25f82bf89a59114092commit | diff
drm/i915: Document the GMCH_CTRL register a bit

The actual GMCH_CRTL lives in the host bridge aka. device 0,
but device 2 has a read-only mirror on i85x/i865+. Document
that fact.

Also remove the ancient tales about where the defines are used.
Those haven't been true in a long time.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20251208182637.334-20-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
include/drm/intel/i915_drm.h diff | blob | blame | history
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