kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 74 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch b/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch
deleted file mode 100644
index 4dcd5c86d6..0000000000
--- a/target/linux/layerscape/patches-5.4/805-display-0052-LF-323-1-drm-bridge-cdns-move-link-training-to-bridg.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-From fa76cd6f0ed305fb2870083842b1ff7bcf027655 Mon Sep 17 00:00:00 2001
-From: Sandor Yu <Sandor.yu@nxp.com>
-Date: Mon, 9 Dec 2019 17:52:35 +0800
-Subject: [PATCH] LF-323-1: drm/bridge/cdns: move link training to bridge
- enable function
-
-Move link training and video enable functions from mode_set to
-bridge_enable. it is more reasonable.
-cdns_dp_mode_set don't needed in HPD thread, DP link training will
-resetup in bridge_enable when cable connecting.
-
-Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
-Reviewed-by: Robby Cai <robby.cai@nxp.com>
----
- drivers/gpu/drm/bridge/cadence/cdns-dp-core.c | 34 +++++++++++++--------------
- 1 file changed, 16 insertions(+), 18 deletions(-)
-
---- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-@@ -178,19 +178,6 @@ static void cdns_dp_mode_set(struct cdns
- 		return;
- 	}
- 
--	/* Link trainning */
--	ret = cdns_mhdp_train_link(mhdp);
--	if (ret) {
--		DRM_DEV_ERROR(mhdp->dev, "Failed link train %d\n", ret);
--		return;
--	}
--
--	ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_VALID);
--	if (ret) {
--		DRM_DEV_ERROR(mhdp->dev, "Failed to valid video %d\n", ret);
--		return;
--	}
--
- 	return;
- }
- 
-@@ -339,6 +326,21 @@ static void cdns_dp_bridge_mode_set(stru
- 
- static void cdn_hdp_bridge_enable(struct drm_bridge *bridge)
- {
-+	struct cdns_mhdp_device *mhdp = bridge->driver_private;
-+	int ret;
-+
-+	/* Link trainning */
-+	ret = cdns_mhdp_train_link(mhdp);
-+	if (ret) {
-+		DRM_DEV_ERROR(mhdp->dev, "Failed link train %d\n", ret);
-+		return;
-+	}
-+
-+	ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_VALID);
-+	if (ret) {
-+		DRM_DEV_ERROR(mhdp->dev, "Failed to valid video %d\n", ret);
-+		return;
-+	}
- }
- 
- static void cdn_hdp_bridge_disable(struct drm_bridge *bridge)
-@@ -366,11 +368,7 @@ static void hotplug_work_func(struct wor
- 	drm_helper_hpd_irq_event(connector->dev);
- 
- 	if (connector->status == connector_status_connected) {
--		/* reset video mode after cable plugin */
--		mutex_lock(&mhdp->lock);
--		cdns_dp_mode_set(mhdp);
--		mutex_unlock(&mhdp->lock);
--
-+		/* Cable connedted  */
- 		DRM_INFO("HDMI/DP Cable Plug In\n");
- 		enable_irq(mhdp->irq[IRQ_OUT]);
- 	} else if (connector->status == connector_status_disconnected) {