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drm/debugfs: bridges_show: show refcount

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Now that bridges are refcounted, exposing the refcount in debugfs can be
useful.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/20250819-drm-bridge-debugfs-removed-v7-1-970702579978@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
This commit is contained in:
Luca Ceresoli 2025-08-19 11:42:10 +02:00
parent b2b8af21fe
commit 2a06126d16
1 changed files with 3 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/gpu/drm/drm_bridge.c
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@ -1435,6 +1435,9 @@ static void drm_bridge_debugfs_show_bridge(struct drm_printer *p,
unsigned int idx)
{
drm_printf(p, "bridge[%u]: %ps\n", idx, bridge->funcs);
drm_printf(p, "\trefcount: %u\n", kref_read(&bridge->refcount));
drm_printf(p, "\ttype: [%d] %s\n",
bridge->type,
drm_get_connector_type_name(bridge->type));