drm/debugfs: add top-level 'bridges' file showing all added bridges

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The global bridges_list holding all the bridges between drm_bridge_add()
and drm_bridge_remove() cannot be inspected via debugfs. Add a file showing
it.

To avoid code duplication, move the code printing a bridge info to a common
function.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250226-drm-debugfs-show-all-bridges-v8-2-bb511cc49d83@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>

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Luca Ceresoli 2025-02-26 22:23:53 +01:00 • committed by Louis Chauvet

parent 9497c5a0f7

commit eff0347e7c

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GPG key ID: 20AD2EC65B102CE2

3 changed files with 53 additions and 22 deletions

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72

drivers/gpu/drm/drm_bridge.c

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2

drivers/gpu/drm/drm_drv.c

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1

include/drm/drm_bridge.h

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