88094f2bbb
- Add patch log-target-null-instead-kmsg.patch from Thomas Blume to enable the kernel developers to see a clean kmsg ring buffer without any systemd/udev messages included (bnc#877021) - Add upstram patches for backlight 0001-backlight-Avoid-restoring-brightness-to-an-unreadabl.patch 0002-backlight-do-nothing-if-max_brightness-is-0.patch 0003-backlight-unify-error-messages.patch 0004-backlight-warn-if-kernel-exposes-backlight-device-wi.patch 0005-backlight-handle-saved-brightness-exceeding-max-brig.patch - Add upstream patches 0001-errno-make-sure-to-handle-the-3-errnos-that-are-alia.patch 0002-udev-warn-when-name_to_handle_at-is-not-implemented.patch 0003-analyze-fix-plot-with-bad-y-size.patch 0004-job-add-waiting-jobs-to-run-queue-in-unit_coldplug.patch 0005-job-always-add-waiting-jobs-to-run-queue-during-cold.patch - Drop upstream-net_id-changes.patch and replace them with the correct patches from upstream and their commits: add: 1014-udev-update-net_id-comments.patch add: 1015-udev-persistent-naming-we-cannot-use-virtio-numbers-.patch - Add patch log-target-null-instead-kmsg.patch from Thomas Blume to enable the kernel developers to see a clean kmsg ring buffer without any systemd/udev messages included (bnc#877021) - Add upstram patches for backlight 0001-backlight-Avoid-restoring-brightness-to-an-unreadabl.patch 0002-backlight-do-nothing-if-max_brightness-is-0.patch OBS-URL: https://build.opensuse.org/request/show/233680 OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/systemd?expand=0&rev=186
65 lines
2.4 KiB
Diff
65 lines
2.4 KiB
Diff
From 0c9d8f1d4b5018199cb5a9b57580dc1480a7f915 Mon Sep 17 00:00:00 2001
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From: Jani Nikula <jani.nikula@intel.com>
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Date: Wed, 7 May 2014 12:01:01 +0300
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Subject: [PATCH] backlight: handle saved brightness exceeding max brightness
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If too high a brightness value has been saved (e.g. due to kernel
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mechanism changing from one kernel version to another, or booting the
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userspace on another system), the brightness update fails and the
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process exits.
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Clamp saved brightness between the policy minimum introduced in
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commit 7b909d7407965c03caaba30daae7aee113627a83
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Author: Josh Triplett <josh@joshtriplett.org>
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Date: Tue Mar 11 21:16:33 2014 -0700
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backlight: Avoid restoring brightness to an unreadably dim level
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and the absolute maximum.
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https://bugs.freedesktop.org/show_bug.cgi?id=78200
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---
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src/backlight/backlight.c | 11 ++++++++---
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1 file changed, 8 insertions(+), 3 deletions(-)
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diff --git src/backlight/backlight.c src/backlight/backlight.c
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index c708391..691472c 100644
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--- src/backlight/backlight.c
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+++ src/backlight/backlight.c
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@@ -229,7 +229,7 @@ static unsigned get_max_brightness(struct udev_device *device) {
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* would otherwise force the user to disable state restoration. */
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static void clamp_brightness(struct udev_device *device, char **value, unsigned max_brightness) {
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int r;
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- unsigned brightness, new_brightness;
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+ unsigned brightness, new_brightness, min_brightness;
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r = safe_atou(*value, &brightness);
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if (r < 0) {
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@@ -237,7 +237,8 @@ static void clamp_brightness(struct udev_device *device, char **value, unsigned
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return;
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}
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- new_brightness = MAX3(brightness, 1U, max_brightness/20);
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+ min_brightness = MAX(1U, max_brightness/20);
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+ new_brightness = CLAMP(brightness, min_brightness, max_brightness);
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if (new_brightness != brightness) {
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char *old_value = *value;
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@@ -247,7 +248,11 @@ static void clamp_brightness(struct udev_device *device, char **value, unsigned
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return;
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}
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- log_debug("Saved brightness %s too low; increasing to %s.", old_value, *value);
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+ log_info("Saved brightness %s %s to %s.", old_value,
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+ new_brightness > brightness ?
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+ "too low; increasing" : "too high; decreasing",
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+ *value);
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+
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free(old_value);
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}
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}
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--
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1.7.9.2
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