2022.04 RC2
This commit is contained in:
Peter Robinson
parent
18e07ba9f6
commit
93f0ff8c4f
@ -76,6 +76,7 @@ roc-pc-rk3399
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rpi_3
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rpi_4
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rpi_arm64
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starqltechn
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sopine_baseboard
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tanix_tx6
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teres_i
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2
sources
2
sources
@ -1 +1 @@
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SHA512 (u-boot-2022.04-rc1.tar.bz2) = 95421d9ed69f46b727e9bbe53f8ecbd66a6779512c97342b02eb440adac175e6abeebbf5664f256397518e39602b9eee70a2b66ca21c2f13a3331bab755b9735
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SHA512 (u-boot-2022.04-rc2.tar.bz2) = 34af2d91a86e6864615ab09a2da7ec752beb56808d9eea652d425476cd1bbdf84d4e5f98740254f7cd91a04f11712d073450e74f4e07ae4180d845cb38620ee3
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@ -1,8 +1,8 @@
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%global candidate rc1
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%global candidate rc2
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Name: uboot-tools
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Version: 2022.04
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Release: 0.1%{?candidate:.%{candidate}}%{?dist}
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Release: 0.2%{?candidate:.%{candidate}}%{?dist}
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Summary: U-Boot utilities
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License: GPLv2+ BSD LGPL-2.1+ LGPL-2.0+
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URL: http://www.denx.de/wiki/U-Boot
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@ -17,7 +17,6 @@ Source2: aarch64-boards
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Patch1: uefi-distro-load-FDT-from-any-partition-on-boot-device.patch
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# Board fixes and enablement
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Patch2: v2-console-usb-kbd-Limit-poll-frequency-to-improve-performance.patch
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# RPi - uses RPI firmware device tree for HAT support
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Patch3: rpi-Enable-using-the-DT-provided-by-the-Raspberry-Pi.patch
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Patch4: rpi-fallback-to-max-clock-for-mmc.patch
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@ -250,6 +249,9 @@ cp -p board/warp7/README builds/docs/README.warp7
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%endif
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%changelog
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* Tue Feb 15 2022 Peter Robinson <pbrobinson@fedoraproject.org> - 2022.04-0.2.rc2
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- Update to 2022.04 RC2
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* Wed Feb 02 2022 Peter Robinson <pbrobinson@fedoraproject.org> - 2022.04-0.1.rc1
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- Update to 2022.04 RC1
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@ -1,178 +0,0 @@
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From: Thomas Watson <twatson52@icloud.com>
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To: u-boot@lists.denx.de
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Cc: Thomas Watson <twatson52@icloud.com>,
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Marek Vasut <marex@denx.de>
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Subject: [PATCH v2] console: usb: kbd: Limit poll frequency to improve
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performance
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Date: Wed, 22 Dec 2021 16:51:26 -0600
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Using the XHCI driver, the function `usb_kbd_poll_for_event` takes
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30-40ms to run. The exact time is dependent on the polling interval the
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keyboard requests in its descriptor, and likely cannot be significantly
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reduced without major rework to the XHCI driver.
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The U-Boot EFI console service sets a timer to poll the keyboard every 5
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microseconds, and this timer is checked every time a block is read off
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disk. The net effect is that, on my system, loading a ~40MiB kernel and
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initrd takes about 62 seconds with a slower keyboard and 53 seconds
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with a faster one, with the vast majority of the time spent polling the
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keyboard.
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To solve this problem, this patch adds a 20ms delay between consecutive
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calls to `usb_kbd_poll_for_event`. This is sufficient to reduce the
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total loading time to under half a second for both keyboards, and does
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not impact the perceived keystroke latency.
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Signed-off-by: Thomas Watson <twatson52@icloud.com>
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---
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This revision wraps the comment at 80 characters and also should not
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have been corrupted by my e-mail client.
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common/usb_kbd.c | 20 +++++++++++++++-----
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1 file changed, 15 insertions(+), 5 deletions(-)
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diff --git a/common/usb_kbd.c b/common/usb_kbd.c
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index afad260d3d..5408c821b4 100644
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--- a/common/usb_kbd.c
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+++ b/common/usb_kbd.c
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@@ -118,7 +118,7 @@ struct usb_kbd_pdata {
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extern int __maybe_unused net_busy_flag;
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/* The period of time between two calls of usb_kbd_testc(). */
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-static unsigned long __maybe_unused kbd_testc_tms;
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+static unsigned long kbd_testc_tms;
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/* Puts character in the queue and sets up the in and out pointer. */
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static void usb_kbd_put_queue(struct usb_kbd_pdata *data, u8 c)
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@@ -394,21 +394,31 @@ static int usb_kbd_testc(struct stdio_dev *sdev)
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struct usb_device *usb_kbd_dev;
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struct usb_kbd_pdata *data;
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+ /*
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+ * Polling the keyboard for an event can take dozens of milliseconds.
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+ * Add a delay between polls to avoid blocking activity which polls
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+ * rapidly, like the UEFI console timer.
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+ */
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+ unsigned long poll_delay = CONFIG_SYS_HZ / 50;
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+
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#ifdef CONFIG_CMD_NET
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/*
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* If net_busy_flag is 1, NET transfer is running,
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* then we check key-pressed every second (first check may be
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* less than 1 second) to improve TFTP booting performance.
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*/
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- if (net_busy_flag && (get_timer(kbd_testc_tms) < CONFIG_SYS_HZ))
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- return 0;
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- kbd_testc_tms = get_timer(0);
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+ if (net_busy_flag)
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+ poll_delay = CONFIG_SYS_HZ;
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#endif
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+
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dev = stdio_get_by_name(sdev->name);
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usb_kbd_dev = (struct usb_device *)dev->priv;
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data = usb_kbd_dev->privptr;
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- usb_kbd_poll_for_event(usb_kbd_dev);
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+ if (get_timer(kbd_testc_tms) >= poll_delay) {
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+ usb_kbd_poll_for_event(usb_kbd_dev);
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+ kbd_testc_tms = get_timer(0);
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+ }
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return !(data->usb_in_pointer == data->usb_out_pointer);
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}
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