diff options
| author | Maxime Ripard <mripard@kernel.org> | 2026-09-07 15:23:42 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2026-09-15 10:04:52 +0200 |
| commit | 4a7a146f1cc6791aaa2f704532f6a3a53332e434 (patch) | |
| tree | b8bf97bda95c2195e44a4db60852dd6ca2a3ede7 | |
| parent | b94bff92ec1dcc968f06428df8b22c3bfcdfaf5e (diff) | |
| download | linux-next-4a7a146f1cc6791aaa2f704532f6a3a53332e434.tar.gz linux-next-4a7a146f1cc6791aaa2f704532f6a3a53332e434.zip | |
drm/bridge: Implement atomic_print_state
Bridges have some fields in their state worth printing, but we don't
provide an atomic_print_state implementation to show those fields.
Provide one.
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20260907-drm-state-readout-v5-6-5fa1ac7a5148@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/drm_bridge.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 83f1809a5d37..649f6b6ab5c8 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -549,10 +549,31 @@ drm_bridge_atomic_create_priv_state(struct drm_private_obj *obj) return &state->base; } +static void +drm_bridge_atomic_print_priv_state(struct drm_printer *p, + const struct drm_private_state *s) +{ + const struct drm_bridge_state *state = drm_priv_to_bridge_state(s); + struct drm_bridge *bridge = drm_priv_to_bridge(s->obj); + + if (bridge->of_node) + drm_printf(p, "bridge: %ps (%pOFfc)\n", bridge->funcs, bridge->of_node); + else + drm_printf(p, "bridge: %ps\n", bridge->funcs); + + drm_printf_indent(p, 1, "input bus configuration:"); + drm_printf_indent(p, 2, "code: %04x", state->input_bus_cfg.format); + drm_printf_indent(p, 2, "flags: %08x", state->input_bus_cfg.flags); + drm_printf_indent(p, 1, "output bus configuration:"); + drm_printf_indent(p, 2, "code: %04x", state->output_bus_cfg.format); + drm_printf_indent(p, 2, "flags: %08x", state->output_bus_cfg.flags); +} + static const struct drm_private_state_funcs drm_bridge_priv_state_funcs = { .atomic_create_state = drm_bridge_atomic_create_priv_state, .atomic_duplicate_state = drm_bridge_atomic_duplicate_priv_state, .atomic_destroy_state = drm_bridge_atomic_destroy_priv_state, + .atomic_print_state = drm_bridge_atomic_print_priv_state, }; /** |