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, 251 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0018-drm-bridge-cdns-dp-Remove-link-rate-lanes-set-by-dev.patch b/target/linux/layerscape/patches-5.4/805-display-0018-drm-bridge-cdns-dp-Remove-link-rate-lanes-set-by-dev.patch
deleted file mode 100644
index fba2ac4f02..0000000000
--- a/target/linux/layerscape/patches-5.4/805-display-0018-drm-bridge-cdns-dp-Remove-link-rate-lanes-set-by-dev.patch
+++ /dev/null
@@ -1,251 +0,0 @@
-From 79d32025a54899fe7d82c88906c1e3ad911c498d Mon Sep 17 00:00:00 2001
-From: Sandor Yu <Sandor.yu@nxp.com>
-Date: Thu, 26 Sep 2019 15:46:43 +0800
-Subject: [PATCH] drm: bridge: cdns dp: Remove link rate/lanes set by device
- tree
-
-Get the link rate and lanes from sink device.
-Remove user specific set by device tree.
-
-Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
----
- drivers/gpu/drm/bridge/cadence/cdns-dp-core.c     | 56 ++++++-----------------
- drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c |  6 +--
- drivers/gpu/drm/rockchip/cdn-dp-core.c            | 27 ++++++-----
- drivers/gpu/drm/rockchip/cdn-dp-core.h            |  1 -
- include/drm/bridge/cdns-mhdp-common.h             |  6 +--
- 5 files changed, 35 insertions(+), 61 deletions(-)
-
---- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-@@ -111,10 +111,10 @@ static void dp_pixel_clk_reset(struct cd
- static void cdns_dp_mode_set(struct cdns_mhdp_device *mhdp,
- 			const struct drm_display_mode *mode)
- {
--	struct drm_dp_link link;
- 	u32 lane_mapping = mhdp->lane_mapping;
--	int ret;
-+	struct drm_dp_link *link = &mhdp->dp.link;
- 	char linkid[6];
-+	int ret;
- 
- 	memcpy(&mhdp->mode, mode, sizeof(struct drm_display_mode));
- 
-@@ -125,8 +125,6 @@ static void cdns_dp_mode_set(struct cdns
- 
- 	cdns_mhdp_plat_call(mhdp, pclk_rate);
- 
--	cdns_mhdp_plat_call(mhdp, phy_set);
--
- 	ret = drm_dp_downstream_id(&mhdp->dp.aux, linkid);
- 	if (ret < 0) {
- 		DRM_INFO("Failed to Get DP link ID: %d\n", ret);
-@@ -137,35 +135,28 @@ static void cdns_dp_mode_set(struct cdns
- 		 linkid[5]);
- 
- 	/* Check dp link */
--	ret = drm_dp_link_probe(&mhdp->dp.aux, &link);
-+	ret = drm_dp_link_probe(&mhdp->dp.aux, link);
- 	if (ret < 0) {
- 		DRM_INFO("Failed to probe DP link: %d\n", ret);
- 		return;
- 	}
--	DRM_INFO("DP revision: 0x%x\n", link.revision);
--	DRM_INFO("DP rate: %d Mbps\n", link.rate);
--	DRM_INFO("DP number of lanes: %d\n", link.num_lanes);
--	DRM_INFO("DP capabilities: 0x%lx\n", link.capabilities);
-+	DRM_INFO("DP revision: 0x%x\n", link->revision);
-+	DRM_INFO("DP rate: %d Mbps\n", link->rate);
-+	DRM_INFO("DP number of lanes: %d\n", link->num_lanes);
-+	DRM_INFO("DP capabilities: 0x%lx\n", link->capabilities);
-+
-+	/* check the max link rate */
-+	if (link->rate > CDNS_DP_MAX_LINK_RATE)
-+		link->rate = CDNS_DP_MAX_LINK_RATE;
- 
--	drm_dp_link_power_up(&mhdp->dp.aux, &mhdp->dp.link);
-+	drm_dp_link_power_up(&mhdp->dp.aux, link);
- 	if (ret < 0) {
- 		DRM_INFO("Failed to power DP link: %d\n", ret);
- 		return;
- 	}
- 
--	/* always use the number of lanes from the display*/
--	mhdp->dp.link.num_lanes = link.num_lanes;
--
--	/* Use the lower link rate */
--	if (mhdp->dp.link_rate != 0) {
--		mhdp->dp.link.rate = min(mhdp->dp.link_rate, (u32)link.rate);
--		DRM_DEBUG("DP actual link rate:  0x%x\n", link.rate);
--	}
--
--	/* initialize phy if lanes or link rate differnt */
--	if (mhdp->dp.link.num_lanes != mhdp->dp.num_lanes ||
--			mhdp->dp.link.rate != mhdp->dp.link_rate)
--		cdns_mhdp_plat_call(mhdp, phy_set);
-+	/* Initialize link rate/num_lanes as panel max link rate/max_num_lanes */
-+	cdns_mhdp_plat_call(mhdp, phy_set);
- 
- 	/* Video off */
- 	ret = cdns_mhdp_set_video_status(mhdp, CONTROL_VIDEO_IDLE);
-@@ -178,7 +169,7 @@ static void cdns_dp_mode_set(struct cdns
- 	cdns_mhdp_reg_write(mhdp, LANES_CONFIG, 0x00400000 | lane_mapping);
- 
- 	/* Set DP host capability */
--	ret = cdns_mhdp_set_host_cap(mhdp, mhdp->dp.link.num_lanes, false);
-+	ret = cdns_mhdp_set_host_cap(mhdp, false);
- 	if (ret) {
- 		DRM_DEV_ERROR(mhdp->dev, "Failed to set host cap %d\n", ret);
- 		return;
-@@ -412,23 +403,6 @@ static void cdns_dp_parse_dt(struct cdns
- 		dev_warn(mhdp->dev, "Failed to get lane_mapping - using default 0xc6\n");
- 	}
- 	dev_info(mhdp->dev, "lane-mapping 0x%02x\n", mhdp->lane_mapping);
--
--	ret = of_property_read_u32(of_node, "link-rate", &mhdp->dp.link_rate);
--	if (ret) {
--		mhdp->dp.link_rate = 162000 ;
--		dev_warn(mhdp->dev, "Failed to get link-rate, use default 1620MHz\n");
--	}
--	dev_info(mhdp->dev, "link-rate %d\n", mhdp->dp.link_rate);
--	
--	ret = of_property_read_u32(of_node, "num-lanes", &mhdp->dp.num_lanes);
--	if (ret) {
--		mhdp->dp.num_lanes = 4;
--		dev_warn(mhdp->dev, "Failed to get num_lanes - using default\n");
--	}
--	dev_info(mhdp->dev, "dp_num_lanes 0x%02x\n", mhdp->dp.num_lanes);
--
--	mhdp->dp.link.num_lanes = mhdp->dp.num_lanes;
--	mhdp->dp.link.rate= mhdp->dp.link_rate;
- }
- 
- static int __cdns_dp_probe(struct platform_device *pdev,
---- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c
-+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c
-@@ -494,13 +494,13 @@ err_set_firmware_active:
- }
- EXPORT_SYMBOL(cdns_mhdp_set_firmware_active);
- 
--int cdns_mhdp_set_host_cap(struct cdns_mhdp_device *mhdp, u8 lanes, bool flip)
-+int cdns_mhdp_set_host_cap(struct cdns_mhdp_device *mhdp, bool flip)
- {
- 	u8 msg[8];
- 	int ret;
- 
--	msg[0] = CDNS_DP_MAX_LINK_RATE;
--	msg[1] = lanes | SCRAMBLER_EN;
-+	msg[0] = drm_dp_link_rate_to_bw_code(mhdp->dp.link.rate);
-+	msg[1] = mhdp->dp.link.num_lanes | SCRAMBLER_EN;
- 	msg[2] = VOLTAGE_LEVEL_2;
- 	msg[3] = PRE_EMPHASIS_LEVEL_3;
- 	msg[4] = PTS1 | PTS2 | PTS3 | PTS4;
---- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
-+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
-@@ -306,12 +306,10 @@ static int cdn_dp_connector_mode_valid(s
- 	requested = mode->clock * bpc * 3 / 1000;
- 
- 	source_max = dp->lanes;
--	sink_max = drm_dp_max_lane_count(dp->dpcd);
-+	sink_max = dp->mhdp.dp.link.num_lanes;
- 	lanes = min(source_max, sink_max);
- 
--	source_max = drm_dp_bw_code_to_link_rate(CDNS_DP_MAX_LINK_RATE);
--	sink_max = drm_dp_max_link_rate(dp->dpcd);
--	rate = min(source_max, sink_max);
-+	rate = dp->mhdp.dp.link.rate;
- 
- 	actual = rate * lanes / 100;
- 
-@@ -366,21 +364,25 @@ static int cdn_dp_firmware_init(struct c
- 
- static int cdn_dp_get_sink_capability(struct cdn_dp_device *dp)
- {
-+	struct cdns_mhdp_device *mhdp = &dp->mhdp;
-+	struct drm_dp_link *link = &mhdp->dp.link;
- 	int ret;
- 
- 	if (!cdn_dp_check_sink_connection(dp))
- 		return -ENODEV;
- 
--	ret = cdns_mhdp_dpcd_read(&dp->mhdp, DP_DPCD_REV, dp->dpcd,
--				  DP_RECEIVER_CAP_SIZE);
-+	ret = drm_dp_link_probe(&mhdp->dp.aux, link);
- 	if (ret) {
--		DRM_DEV_ERROR(dp->mhdp.dev, "Failed to get caps %d\n", ret);
-+		DRM_DEV_ERROR(mhdp->dev, "Failed to get caps %d\n", ret);
- 		return ret;
- 	}
- 
-+	if (link->rate > CDNS_DP_MAX_LINK_RATE)
-+		link->rate = CDNS_DP_MAX_LINK_RATE;
-+
- 	kfree(dp->edid);
--	dp->edid = drm_do_get_edid(&dp->mhdp.connector.base,
--				   cdns_mhdp_get_edid_block, &dp->mhdp);
-+	dp->edid = drm_do_get_edid(&mhdp->connector.base,
-+				   cdns_mhdp_get_edid_block, mhdp);
- 	return 0;
- }
- 
-@@ -422,7 +424,8 @@ static int cdn_dp_enable_phy(struct cdn_
- 	}
- 
- 	port->lanes = cdn_dp_get_port_lanes(port);
--	ret = cdns_mhdp_set_host_cap(&dp->mhdp, port->lanes, property.intval);
-+	dp->mhdp.dp.link.num_lanes = port->lanes;
-+	ret = cdns_mhdp_set_host_cap(&dp->mhdp, property.intval);
- 	if (ret) {
- 		DRM_DEV_ERROR(dev, "set host capabilities failed: %d\n",
- 			      ret);
-@@ -577,9 +580,9 @@ static bool cdn_dp_check_link_status(str
- {
- 	u8 link_status[DP_LINK_STATUS_SIZE];
- 	struct cdn_dp_port *port = cdn_dp_connected_port(dp);
--	u8 sink_lanes = drm_dp_max_lane_count(dp->dpcd);
-+	u8 sink_lanes = dp->mhdp.dp.link.num_lanes;
- 
--	if (!port || !dp->mhdp.dp.link.rate || !dp->mhdp.dp.link.num_lanes)
-+	if (!port || !dp->mhdp.dp.link.rate || !sink_lanes)
- 		return false;
- 
- 	if (cdns_mhdp_dpcd_read(&dp->mhdp, DP_LANE0_1_STATUS, link_status,
---- a/drivers/gpu/drm/rockchip/cdn-dp-core.h
-+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.h
-@@ -61,7 +61,6 @@ struct cdn_dp_device {
- 	u8 lanes;
- 	int active_port;
- 
--	u8 dpcd[DP_RECEIVER_CAP_SIZE];
- 	bool sink_has_audio;
- };
- #endif  /* _CDN_DP_CORE_H */
---- a/include/drm/bridge/cdns-mhdp-common.h
-+++ b/include/drm/bridge/cdns-mhdp-common.h
-@@ -436,7 +436,7 @@
- #define HDCP_TX_IS_RECEIVER_ID_VALID_EVENT	BIT(7)
- 
- #define TU_SIZE					30
--#define CDNS_DP_MAX_LINK_RATE			DP_LINK_BW_5_4
-+#define CDNS_DP_MAX_LINK_RATE	540000
- 
- #define F_HDMI_ENCODING(x) (((x) & ((1 << 2) - 1)) << 16)
- #define F_VIF_DATA_WIDTH(x) (((x) & ((1 << 2) - 1)) << 2)
-@@ -697,8 +697,6 @@ struct cdns_mhdp_device {
- 			struct cdns_mhdp_mst_cbs cbs;
- 			bool is_mst;
- 			bool can_mst;
--			u32 link_rate;
--			u32 num_lanes;
- 		} dp;
- 		struct _hdmi_data {
- #ifdef CONFIG_DRM_CDNS_HDMI_CEC
-@@ -720,7 +718,7 @@ u32 cdns_mhdp_get_fw_clk(struct cdns_mhd
- int cdns_mhdp_load_firmware(struct cdns_mhdp_device *mhdp, const u32 *i_mem,
- 			    u32 i_size, const u32 *d_mem, u32 d_size);
- int cdns_mhdp_set_firmware_active(struct cdns_mhdp_device *mhdp, bool enable);
--int cdns_mhdp_set_host_cap(struct cdns_mhdp_device *mhdp, u8 lanes, bool flip);
-+int cdns_mhdp_set_host_cap(struct cdns_mhdp_device *mhdp, bool flip);
- int cdns_mhdp_event_config(struct cdns_mhdp_device *mhdp);
- u32 cdns_mhdp_get_event(struct cdns_mhdp_device *mhdp);
- int cdns_mhdp_get_hpd_status(struct cdns_mhdp_device *mhdp);