layerscape: add patches-5.4

Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>

1 files changed, 173 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0025-drm-imx-hdp-add-hdr10-metadata-property.patch b/target/linux/layerscape/patches-5.4/805-display-0025-drm-imx-hdp-add-hdr10-metadata-property.patch
new file mode 100644
index 0000000000..6ce4263a3f
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/805-display-0025-drm-imx-hdp-add-hdr10-metadata-property.patch
@@ -0,0 +1,173 @@
+From 7c5c4f891ce4746b52d95d9340c7cae063a48350 Mon Sep 17 00:00:00 2001
+From: Laurentiu Palcu <laurentiu.palcu@nxp.com>
+Date: Mon, 4 Nov 2019 13:18:48 +0200
+Subject: [PATCH] drm/imx/hdp: add hdr10 metadata property
+
+The HDR_OUTPUT_METADATA property is needed in order for userspace to instruct
+the sink to switch to HDR10 mode.
+
+Signed-off-by: Laurentiu Palcu <laurentiu.palcu@nxp.com>
+---
+ drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c | 72 +++++++++++++++++++++++++
+ drivers/gpu/drm/imx/cdn-mhdp-imxdrv.c           |  4 ++
+ include/drm/bridge/cdns-mhdp-common.h           |  1 +
+ 3 files changed, 77 insertions(+)
+
+--- a/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
++++ b/drivers/gpu/drm/bridge/cadence/cdns-hdmi-core.c
+@@ -170,6 +170,35 @@ static void hdmi_vendor_info_set(struct
+ 	cdns_mhdp_infoframe_set(mhdp, 3, sizeof(buf), buf, HDMI_INFOFRAME_TYPE_VENDOR);
+ }
+ 
++static void hdmi_drm_info_set(struct cdns_mhdp_device *mhdp)
++{
++	struct drm_connector_state *conn_state;
++	struct hdmi_drm_infoframe frame;
++	u8 buf[32];
++	int ret;
++
++	conn_state = mhdp->connector.base.state;
++
++	if (!conn_state->hdr_output_metadata)
++		return;
++
++	ret = drm_hdmi_infoframe_set_hdr_metadata(&frame, conn_state);
++	if (ret < 0) {
++		DRM_DEBUG_KMS("couldn't set HDR metadata in infoframe\n");
++		return;
++	}
++
++	ret = hdmi_drm_infoframe_pack(&frame, buf + 1, sizeof(buf) - 1);
++	if (ret < 0) {
++		DRM_DEBUG_KMS("couldn't pack HDR infoframe\n");
++		return;
++	}
++
++	buf[0] = 0;
++	cdns_mhdp_infoframe_set(mhdp, 3, sizeof(buf),
++				buf, HDMI_INFOFRAME_TYPE_DRM);
++}
++
+ void cdns_hdmi_mode_set(struct cdns_mhdp_device *mhdp)
+ {
+ 	struct drm_display_mode *mode = &mhdp->mode;
+@@ -207,6 +236,8 @@ void cdns_hdmi_mode_set(struct cdns_mhdp
+ 	/* vendor info frame is enable only  when HDMI1.4 4K mode */
+ 	hdmi_vendor_info_set(mhdp, mode);
+ 
++	hdmi_drm_info_set(mhdp);
++
+ 	ret = cdns_hdmi_mode_config(mhdp, mode, &mhdp->video_info);
+ 	if (ret < 0) {
+ 		DRM_ERROR("CDN_API_HDMITX_SetVic_blocking ret = %d\n", ret);
+@@ -262,6 +293,40 @@ static int cdns_hdmi_connector_get_modes
+ 	return num_modes;
+ }
+ 
++static bool blob_equal(const struct drm_property_blob *a,
++		       const struct drm_property_blob *b)
++{
++	if (a && b)
++		return a->length == b->length &&
++			!memcmp(a->data, b->data, a->length);
++
++	return !a == !b;
++}
++
++static int cdns_hdmi_connector_atomic_check(struct drm_connector *connector,
++					    struct drm_atomic_state *state)
++{
++	struct drm_connector_state *new_con_state =
++		drm_atomic_get_new_connector_state(state, connector);
++	struct drm_connector_state *old_con_state =
++		drm_atomic_get_old_connector_state(state, connector);
++	struct drm_crtc *crtc = new_con_state->crtc;
++	struct drm_crtc_state *new_crtc_state;
++
++	if (!blob_equal(new_con_state->hdr_output_metadata,
++			old_con_state->hdr_output_metadata)) {
++		new_crtc_state = drm_atomic_get_crtc_state(state, crtc);
++		if (IS_ERR(new_crtc_state))
++			return PTR_ERR(new_crtc_state);
++
++		new_crtc_state->mode_changed =
++			!new_con_state->hdr_output_metadata ||
++			!old_con_state->hdr_output_metadata;
++	}
++
++	return 0;
++}
++
+ static const struct drm_connector_funcs cdns_hdmi_connector_funcs = {
+ 	.fill_modes = drm_helper_probe_single_connector_modes,
+ 	.detect = cdns_hdmi_connector_detect,
+@@ -273,11 +338,13 @@ static const struct drm_connector_funcs
+ 
+ static const struct drm_connector_helper_funcs cdns_hdmi_connector_helper_funcs = {
+ 	.get_modes = cdns_hdmi_connector_get_modes,
++	.atomic_check = cdns_hdmi_connector_atomic_check,
+ };
+ 
+ static int cdns_hdmi_bridge_attach(struct drm_bridge *bridge)
+ {
+ 	struct cdns_mhdp_device *mhdp = bridge->driver_private;
++	struct drm_mode_config *config = &bridge->dev->mode_config;
+ 	struct drm_encoder *encoder = bridge->encoder;
+ 	struct drm_connector *connector = &mhdp->connector.base;
+ 
+@@ -289,6 +356,11 @@ static int cdns_hdmi_bridge_attach(struc
+ 	drm_connector_init(bridge->dev, connector, &cdns_hdmi_connector_funcs,
+ 			   DRM_MODE_CONNECTOR_HDMIA);
+ 
++	if (!strncmp("imx8mq-hdmi", mhdp->plat_data->plat_name, 11))
++		drm_object_attach_property(&connector->base,
++					   config->hdr_output_metadata_property,
++					   0);
++
+ 	drm_connector_attach_encoder(connector, encoder);
+ 
+ 	return 0;
+--- a/drivers/gpu/drm/imx/cdn-mhdp-imxdrv.c
++++ b/drivers/gpu/drm/imx/cdn-mhdp-imxdrv.c
+@@ -54,6 +54,7 @@ static const struct drm_encoder_funcs cd
+ };
+ 
+ static struct cdns_plat_data imx8mq_hdmi_drv_data = {
++	.plat_name = "imx8mq-hdmi",
+ 	.bind	= cdns_hdmi_bind,
+ 	.unbind	= cdns_hdmi_unbind,
+ 	.phy_set = cdns_hdmi_phy_set_imx8mq,
+@@ -61,6 +62,7 @@ static struct cdns_plat_data imx8mq_hdmi
+ };
+ 
+ static struct cdns_plat_data imx8mq_dp_drv_data = {
++	.plat_name = "imx8mq-dp",
+ 	.bind	= cdns_dp_bind,
+ 	.unbind	= cdns_dp_unbind,
+ 	.phy_set = cdns_dp_phy_set_imx8mq,
+@@ -68,6 +70,7 @@ static struct cdns_plat_data imx8mq_dp_d
+ };
+ 
+ static struct cdns_plat_data imx8qm_hdmi_drv_data = {
++	.plat_name = "imx8qm-hdmi",
+ 	.bind	= cdns_hdmi_bind,
+ 	.unbind	= cdns_hdmi_unbind,
+ 	.phy_set = cdns_hdmi_phy_set_imx8qm,
+@@ -81,6 +84,7 @@ static struct cdns_plat_data imx8qm_hdmi
+ };
+ 
+ static struct cdns_plat_data imx8qm_dp_drv_data = {
++	.plat_name = "imx8qm-dp",
+ 	.bind	= cdns_dp_bind,
+ 	.unbind	= cdns_dp_unbind,
+ 	.phy_set = cdns_dp_phy_set_imx8qm,
+--- a/include/drm/bridge/cdns-mhdp-common.h
++++ b/include/drm/bridge/cdns-mhdp-common.h
+@@ -652,6 +652,7 @@ struct cdns_plat_data {
+ 	int bus_type;
+ 	int video_format;
+ 	char is_dp;
++	char *plat_name;
+ };
+ 
+ struct cdns_mhdp_device {