From cddd4591404fb4c53dc0b3c0b15b942cdbed4356 Mon Sep 17 00:00:00 2001 From: Yangbo Lu Date: Fri, 10 Apr 2020 10:47:05 +0800 Subject: 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 --- ...u-cdn-mhdp-common-Increase-the-check-aliv.patch | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 target/linux/layerscape/patches-5.4/805-display-0057-LF-794-4-gpu-cdn-mhdp-common-Increase-the-check-aliv.patch (limited to 'target/linux/layerscape/patches-5.4/805-display-0057-LF-794-4-gpu-cdn-mhdp-common-Increase-the-check-aliv.patch') diff --git a/target/linux/layerscape/patches-5.4/805-display-0057-LF-794-4-gpu-cdn-mhdp-common-Increase-the-check-aliv.patch b/target/linux/layerscape/patches-5.4/805-display-0057-LF-794-4-gpu-cdn-mhdp-common-Increase-the-check-aliv.patch new file mode 100644 index 0000000000..734c5014fb --- /dev/null +++ b/target/linux/layerscape/patches-5.4/805-display-0057-LF-794-4-gpu-cdn-mhdp-common-Increase-the-check-aliv.patch @@ -0,0 +1,29 @@ +From 5a019410a0908d7a66a0526a47bed1883c02c5fe Mon Sep 17 00:00:00 2001 +From: Abel Vesa +Date: Thu, 9 Jan 2020 15:20:27 +0200 +Subject: [PATCH] LF-794-4 gpu: cdn: mhdp-common: Increase the check alive + timeout + +It seems that the firmware on i.MX8QM starts a little bit +after 20us after the ucpu has been relased (un-resetted). +Therefore, increase the max timeout for check alive to 50us. + +Signed-off-by: Abel Vesa +Reviewed-by: Sandor Yu +Acked-by: Wen He +Signed-off-by: Dong Aisheng +--- + drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c ++++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp-common.c +@@ -1039,7 +1039,7 @@ EXPORT_SYMBOL(cdns_mhdp_read_hpd); + bool cdns_mhdp_check_alive(struct cdns_mhdp_device *mhdp) + { + u32 alive, newalive; +- u8 retries_left = 10; ++ u8 retries_left = 50; + + alive = cdns_mhdp_bus_read(mhdp, KEEP_ALIVE); + -- cgit v1.2.3