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bh=1dfSttFAckwOQAmC1ve5LgiPNLJsHK4JP7XZDTkYNuA=; b=SYY/3zp7x8QiKOHJcB7rCv+tbl44IANZ19yC++/0yXIFGaNJht1DExfMIudv0YEJsgcTBc 1zVxrLvigteiBy5ovJvSZSqeuHsKgd27UHkG2IAcVwUliifs7Q/UfP9AlrNxJPzNztl6bc m4s/ZKYvK2zchPUylpzkp0C4Vou/1c8o3+UNw/RXixLWXqV94Zo58VjhQqKA1FzC1PqB9X ntxhnIWtwK3aUe+CER7IZAw0eaK9ByEilq9Feowl+oDBFdh1/29P+65MPGqDF2LwD2/win WKNPk48agcvc9+H9npwk5nSDFu3IKjdKCZbqqXT0e2AxwJ4cvbPK9PJU7b9ULA== From: Alexander Stein To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: Alexander Stein , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/1] drm/bridge: Silence error messages upon probe deferral Date: Mon, 26 Feb 2024 09:59:18 +0100 Message-Id: <20240226085918.264205-1-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791955371294106197 X-GMAIL-MSGID: 1791955371294106197 When -EPROBE_DEFER is returned do not raise an error, but silently return this error instead. Fixes error like this: [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517 [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@30800000/mipi-dsi@30a00000 to encoder None-34: -517 Signed-off-by: Alexander Stein Reviewed-by: Robert Foss --- Changes in v3: * Adjust the indentation * Proper line breaks in commit messages drivers/gpu/drm/drm_bridge.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c index 521a71c61b164..08b474d82c9fc 100644 --- a/drivers/gpu/drm/drm_bridge.c +++ b/drivers/gpu/drm/drm_bridge.c @@ -353,13 +353,15 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge, bridge->encoder = NULL; list_del(&bridge->chain_node); + if (ret != -EPROBE_DEFER) { #ifdef CONFIG_OF - DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n", - bridge->of_node, encoder->name, ret); + DRM_ERROR("failed to attach bridge %pOF to encoder %s: %d\n", + bridge->of_node, encoder->name, ret); #else - DRM_ERROR("failed to attach bridge to encoder %s: %d\n", - encoder->name, ret); + DRM_ERROR("failed to attach bridge to encoder %s: %d\n", + encoder->name, ret); #endif + } return ret; }