From nobody Fri Oct 3 12:12:49 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7D5202EA16D for ; Tue, 2 Sep 2025 08:33:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756802006; cv=none; b=m3uH23TKOjad3sy4iZgCxtPtcEvz4QXNIZof/d2AOGK4KVkloliycXXDYUWAwKNIeWk05uLjkQ1dsII1CqJjAjOyHI6EEAayYNlPiSCRsDljtzcS1Dfhs9BoQgwFjtRPauyEfQJVqQSgOHA41MO+7zXPlLBEJIyQXMf6O9uTcjQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756802006; c=relaxed/simple; bh=dxIMcnZXqFeVSb69JHsUsUX0GPYjiSufclb+3jXwpPk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=INrRuWTIEovVNEtyF+9xFrIHZ3DRZZBYnBNSqbNBClEr6xVeb7b/ShTzUI+XN57pEicSgCbVy6Rq/uckXnQwYRY5pLbyH3nC6nsHPtseguhctUNE6PHCl4IDmOZ+5ngvD/ZVYKsa/bCj12ujrDfy7zkvxjxRmN9ZHhwm4VCHP+4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RLwRQkRk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RLwRQkRk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ADF74C4CEF8; Tue, 2 Sep 2025 08:33:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756802006; bh=dxIMcnZXqFeVSb69JHsUsUX0GPYjiSufclb+3jXwpPk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RLwRQkRkACo8pJRB/IOaydCjEX9xJZO0bdZN0LzGLB4IdrnEX2pQotjgtbY4xlyUW QANwKYBfKiCu74x8HEf8s8GF94BqDmCJOvwNXZ0HkLasguNGBnlmyuC+G1xwm6f237 hFu6JaEqQjuBwOEmqRyyZcLubz0siwI6ziRshnMfOC4x6djhNn6ugvj5uJgXRrNwYD 1+eE67KVo5bwJqnHyQ0/0etHAOJAa05is/4HE0d/cXSpaqk6nBF7aJwj8trVMSurFz NIIQ2rVR1TEs5iSIKArbOCkHpVQ6eXoz3yzssAfTRxv/8lgJ3NBd7rFVJuqIUdj5IX oxA9TGheorNbA== From: Maxime Ripard Date: Tue, 02 Sep 2025 10:32:34 +0200 Subject: [PATCH 06/29] drm/bridge: Implement atomic_print_state Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250902-drm-state-readout-v1-6-14ad5315da3f@kernel.org> References: <20250902-drm-state-readout-v1-0-14ad5315da3f@kernel.org> In-Reply-To: <20250902-drm-state-readout-v1-0-14ad5315da3f@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Jyri Sarha , Tomi Valkeinen Cc: Devarsh Thakkar , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1891; i=mripard@kernel.org; h=from:subject:message-id; bh=dxIMcnZXqFeVSb69JHsUsUX0GPYjiSufclb+3jXwpPk=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDBnbVm93P2Qj3zpBa+Nan9cH/k6eHX7So2Azw9FM74QfV zm+rzhyrGMqC4MwJ4OsmCLLE5mw08vbF1c52K/8ATOHlQlkCAMXpwBM5JE6Y31YjCkbr7K8zbPi N4ePhexQ/ju56ezvTZk+is3CtUk7TJJ4/hmHcH3qVv58XXrDqq9xgowNsx9Yz3ebrl9ztibjML9 6ePSv/Vf/P1JTaXJW0/yjKuKgkVH/x+hOAROfgavvhdKVC8sB X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Bridges have some fields in their state worth printing, but we don't provide an atomic_print_state implementation to show those fields. Let's do so. Signed-off-by: Maxime Ripard Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/drm_bridge.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index dd439d55177a867acb7ab73c02182bada44d93c9..e803dfd8fd5aae9c16931445213= df04d8715b9f6 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -370,13 +370,31 @@ drm_bridge_atomic_destroy_priv_state(struct drm_priva= te_obj *obj, struct drm_bridge *bridge =3D drm_priv_to_bridge(obj); =20 bridge->funcs->atomic_destroy_state(bridge, state); } =20 +static void +drm_bridge_atomic_print_priv_state(struct drm_printer *p, + const struct drm_private_state *s) +{ + const struct drm_bridge_state *state =3D + container_of_const(s, struct drm_bridge_state, base); + struct drm_bridge *bridge =3D drm_priv_to_bridge(s->obj); + + drm_printf(p, "bridge: %s", drm_get_connector_type_name(bridge->type)); + drm_printf(p, "\tinput bus configuration:"); + drm_printf(p, "\t\tcode: %04x", state->input_bus_cfg.format); + drm_printf(p, "\t\tflags: %08x", state->input_bus_cfg.flags); + drm_printf(p, "\toutput bus configuration:"); + drm_printf(p, "\t\tcode: %04x", state->output_bus_cfg.format); + drm_printf(p, "\t\tflags: %08x", state->output_bus_cfg.flags); +} + static const struct drm_private_state_funcs drm_bridge_priv_state_funcs = =3D { .atomic_duplicate_state =3D drm_bridge_atomic_duplicate_priv_state, .atomic_destroy_state =3D drm_bridge_atomic_destroy_priv_state, + .atomic_print_state =3D drm_bridge_atomic_print_priv_state, }; =20 static bool drm_bridge_is_atomic(struct drm_bridge *bridge) { return bridge->funcs->atomic_reset !=3D NULL; --=20 2.50.1