mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 01:28:59 +00:00
cddd459140
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>
130 lines
3.7 KiB
Diff
130 lines
3.7 KiB
Diff
From 4e8d26c363c6e4b8b89d21feeb8c6dc57085b27d Mon Sep 17 00:00:00 2001
|
|
From: Sandor Yu <Sandor.yu@nxp.com>
|
|
Date: Fri, 27 Sep 2019 17:15:34 +0800
|
|
Subject: [PATCH] drm: bridge: cdns cec: fix LA failed set issue
|
|
|
|
improved function set_logical_addr() function.
|
|
Fix LA set failed issue in some case.
|
|
|
|
Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
|
|
---
|
|
drivers/gpu/drm/bridge/cadence/Kconfig | 6 ++++
|
|
drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c | 38 +++++++++++---------------
|
|
2 files changed, 22 insertions(+), 22 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/bridge/cadence/Kconfig
|
|
+++ b/drivers/gpu/drm/bridge/cadence/Kconfig
|
|
@@ -8,12 +8,18 @@ config DRM_CDNS_MHDP
|
|
|
|
config DRM_CDNS_HDMI
|
|
tristate "Cadence HDMI DRM driver"
|
|
+ depends on DRM_CDNS_MHDP
|
|
|
|
config DRM_CDNS_DP
|
|
tristate "Cadence DP DRM driver"
|
|
+ depends on DRM_CDNS_MHDP
|
|
|
|
config DRM_CDNS_AUDIO
|
|
tristate "Cadence MHDP Audio driver"
|
|
+ depends on DRM_CDNS_MHDP
|
|
|
|
config DRM_CDNS_HDMI_CEC
|
|
tristate "Cadence MHDP HDMI CEC driver"
|
|
+ depends on DRM_CDNS_HDMI
|
|
+ select CEC_CORE
|
|
+ select CEC_NOTIFIER
|
|
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
|
|
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-cec.c
|
|
@@ -20,8 +20,6 @@
|
|
#define CEC_NAME "cdns-mhdp-cec"
|
|
|
|
#define REG_ADDR_OFF 4
|
|
-#define MAX_LA_IDX 4
|
|
-#define MAX_LA_VAL 15
|
|
|
|
/* regsiter define */
|
|
#define TX_MSG_HEADER 0x33800
|
|
@@ -158,26 +156,22 @@ static u32 mhdp_cec_write_message(struct
|
|
return true;
|
|
}
|
|
|
|
-//static void cec_abort_tx_transfer(struct cdns_mhdp_cec *cec)
|
|
-//{
|
|
-// cec_write(cec, TX_MSG_CMD, CEC_TX_ABORT);
|
|
-// cec_write(cec, TX_MSG_CMD, CEC_TX_STOP);
|
|
-//}
|
|
-
|
|
static int mhdp_cec_set_logical_addr(struct cdns_mhdp_cec *cec, u32 la)
|
|
{
|
|
- u8 i;
|
|
u8 la_reg;
|
|
+ u8 i;
|
|
|
|
- if (la >= MAX_LA_VAL) {
|
|
- dev_err(cec->dev, "Error logical Addr\n");
|
|
- return -EINVAL;
|
|
- }
|
|
-
|
|
- for (i = 0; i < MAX_LA_IDX; ++i) {
|
|
- la_reg =
|
|
- mhdp_cec_read(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF));
|
|
+ if (la == CEC_LOG_ADDR_INVALID)
|
|
+ /* invalid all LA address */
|
|
+ for (i = 0; i < CEC_MAX_LOG_ADDRS; ++i) {
|
|
+ mhdp_cec_write(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF), 0);
|
|
+ return 0;
|
|
+ }
|
|
|
|
+ /* In fact cdns mhdp cec could support max 5 La address */
|
|
+ for (i = 0; i < CEC_MAX_LOG_ADDRS; ++i) {
|
|
+ la_reg = mhdp_cec_read(cec, LOGICAL_ADDRESS_LA0 + (i * REG_ADDR_OFF));
|
|
+ /* Check LA already used */
|
|
if (la_reg & 0x10)
|
|
continue;
|
|
|
|
@@ -194,7 +188,7 @@ static int mhdp_cec_set_logical_addr(str
|
|
|
|
dev_warn(cec->dev, "All LA in use\n");
|
|
|
|
- return -EINVAL;
|
|
+ return -ENXIO;
|
|
}
|
|
|
|
static int mhdp_cec_poll_worker(void *_cec)
|
|
@@ -263,7 +257,7 @@ static int mhdp_cec_poll_worker(void *_c
|
|
|
|
static int mhdp_cec_adap_enable(struct cec_adapter *adap, bool enable)
|
|
{
|
|
- struct cdns_mhdp_cec *cec = adap->priv;
|
|
+ struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
|
|
|
|
if (enable) {
|
|
mhdp_cec_write(cec, DB_L_TIMER, 0x10);
|
|
@@ -276,7 +270,7 @@ static int mhdp_cec_adap_enable(struct c
|
|
|
|
static int mhdp_cec_adap_log_addr(struct cec_adapter *adap, u8 addr)
|
|
{
|
|
- struct cdns_mhdp_cec *cec = adap->priv;
|
|
+ struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
|
|
|
|
return mhdp_cec_set_logical_addr(cec, addr);
|
|
}
|
|
@@ -284,7 +278,7 @@ static int mhdp_cec_adap_log_addr(struct
|
|
static int mhdp_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
|
|
u32 signal_free_time, struct cec_msg *msg)
|
|
{
|
|
- struct cdns_mhdp_cec *cec = adap->priv;
|
|
+ struct cdns_mhdp_cec *cec = cec_get_drvdata(adap);
|
|
|
|
mhdp_cec_write_message(cec, msg);
|
|
|
|
@@ -307,7 +301,7 @@ int cdns_mhdp_register_cec_driver(struct
|
|
CEC_NAME,
|
|
CEC_CAP_PHYS_ADDR | CEC_CAP_LOG_ADDRS |
|
|
CEC_CAP_TRANSMIT | CEC_CAP_PASSTHROUGH
|
|
- | CEC_CAP_RC, 1);
|
|
+ | CEC_CAP_RC, CEC_MAX_LOG_ADDRS);
|
|
ret = PTR_ERR_OR_ZERO(cec->adap);
|
|
if (ret)
|
|
return ret;
|