FAILED: patch "[PATCH] drm/udl: Remove DRM_CONNECTOR_POLL_HPD" failed to apply to 5.4-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y
git checkout FETCH_HEAD
git cherry-pick -x 5aed213c7c6c4f5dcb1a3ef146f493f18fe703dc
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024073010-pond-chamber-4302@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^..

Possible dependencies:

5aed213c7c6c ("drm/udl: Remove DRM_CONNECTOR_POLL_HPD")
0862cfd3e22f ("drm/udl: Move connector to modesetting code")
43858eb41e0d ("drm/udl: Various improvements to the connector")
2c1eafc40e53 ("drm/udl: Use USB timeout constant when reading EDID")
c020f66013b6 ("drm/udl: Test pixel limit in mode-config's mode-valid function")
59a811faa74f ("drm/udl: Rename struct udl_drm_connector to struct udl_connector")
255490f9150d ("drm: Drop drm_edid.h from drm_crtc.h")
0f95ee9a0c57 ("Merge tag 'drm-misc-next-2022-06-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 5aed213c7c6c4f5dcb1a3ef146f493f18fe703dc Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: Fri, 10 May 2024 17:47:08 +0200
Subject: [PATCH] drm/udl: Remove DRM_CONNECTOR_POLL_HPD

DisplayLink devices do not generate hotplug events. Remove the poll
flag DRM_CONNECTOR_POLL_HPD, as it may not be specified together with
DRM_CONNECTOR_POLL_CONNECT or DRM_CONNECTOR_POLL_DISCONNECT.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: afdfc4c6f55f ("drm/udl: Fixed problem with UDL adpater reconnection")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Cc: Robert Tarasov <tutankhamen@chromium.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v4.15+
Link: https://patchwork.freedesktop.org/patch/msgid/20240510154841.11370-2-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index 7702359c90c2..751da3a294c4 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -527,8 +527,7 @@ struct drm_connector *udl_connector_init(struct drm_device *dev)
 
 	drm_connector_helper_add(connector, &udl_connector_helper_funcs);
 
-	connector->polled = DRM_CONNECTOR_POLL_HPD |
-			    DRM_CONNECTOR_POLL_CONNECT |
+	connector->polled = DRM_CONNECTOR_POLL_CONNECT |
 			    DRM_CONNECTOR_POLL_DISCONNECT;
 
 	return connector;