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(parent: fcd95af) | patch
drm/i915/alpm: Check for alpm support before accessing alpm register
authorAnimesh Manna <animesh.manna@intel.com>
Fri, 25 Apr 2025 13:21:07 +0000 (18:51 +0530)
committerAnimesh Manna <animesh.manna@intel.com>
Mon, 28 Apr 2025 08:14:06 +0000 (13:44 +0530)
commit8ff377ae3100791aeb9ae801c0fea7e9558dee8c
tree2dcf857dfa8e96d6b2d00c957ab50fc462a77157tree
parentfcd95af591e8cd5880c0c553641beb0e97ba92f6commit | diff
drm/i915/alpm: Check for alpm support before accessing alpm register

Currently, only EDP supports alpm.  So, check for alpm support and prevent
the DP connector from accessing the alpm register if doing so is unsupported.

Fixes: acff6d6bded3 ("drm/i915/lobf: Add mutex for alpm update")
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250425132107.2926759-1-animesh.manna@intel.com
drivers/gpu/drm/i915/display/intel_alpm.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)