fix backlight and nouveau
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parent
b074d0085b
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38
3.4.4-fix-backlight-regression.patch
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38
3.4.4-fix-backlight-regression.patch
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@ -0,0 +1,38 @@
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Subject: Still use ACPI backlight control if _DOS doesn't exist
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This is a regression introduced by commit
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ea9f8856bd6d4ed45885b06a338f7362cd6c60e5
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https://bugzilla.kernel.org/show_bug.cgi?id=43168
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Some platforms don't have _DOS control method, but the ACPI
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backlight still works.
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We do not want to lose the backlight control ability on these platforms.
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CC : Igor Murzov <intergalactic.anonymous@gmail.com>
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Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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---
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drivers/acpi/video.c | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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Index: rtd3/drivers/acpi/video.c
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===================================================================
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--- rtd3.orig/drivers/acpi/video.c
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+++ rtd3/drivers/acpi/video.c
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@@ -565,8 +565,14 @@ acpi_video_bus_DOS(struct acpi_video_bus
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video->dos_setting = arg0.integer.value;
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status = acpi_evaluate_object(video->device->handle, "_DOS",
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&args, NULL);
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- if (ACPI_FAILURE(status))
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- return -EIO;
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+ if (ACPI_FAILURE(status)) {
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+ /*
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+ * some platforms don't have _DOS, but the ACPI
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+ * backlight control still works
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+ */
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+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _DOS\n"));
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+ return 0;
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+ }
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return 0;
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}
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20
3.4.4-fix-gtx560ti-nouveau-regression.patch
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20
3.4.4-fix-gtx560ti-nouveau-regression.patch
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@ -0,0 +1,20 @@
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Revert change to include/drm/drm_fb_helper.h made in commit 4f988d132d2668b4f3b42bfc70daa531115ccca1
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include/drm/drm_fb_helper.h | 1 +
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1 files changed, 1 insertions(+), 0 deletions(-)
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diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
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index 55e10d6..5120b01 100644
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--- a/include/drm/drm_fb_helper.h
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+++ b/include/drm/drm_fb_helper.h
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@@ -35,6 +35,7 @@ struct drm_fb_helper;
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#include <linux/kgdb.h>
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struct drm_fb_helper_crtc {
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+ uint32_t crtc_id;
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struct drm_mode_set mode_set;
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struct drm_display_mode *desired_mode;
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};
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--
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1.7.6.5
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18
PKGBUILD
18
PKGBUILD
@ -8,7 +8,7 @@ pkgname=('linux' 'linux-headers' 'linux-docs') # Build stock -ARCH kernel
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_kernelname=${pkgname#linux}
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_basekernel=3.4
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pkgver=${_basekernel}.4
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pkgrel=1
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pkgrel=2
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arch=('i686' 'x86_64')
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url="http://www.kernel.org/"
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license=('GPL2')
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@ -22,7 +22,9 @@ source=("http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.4.tar.xz"
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"${pkgname}.preset"
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'fix-acerhdf-1810T-bios.patch'
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'change-default-console-loglevel.patch'
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'i915-fix-ghost-tv-output.patch')
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'i915-fix-ghost-tv-output.patch'
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'3.4.4-fix-backlight-regression.patch'
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'3.4.4-fix-gtx560ti-nouveau-regression.patch')
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md5sums=('967f72983655e2479f951195953e8480'
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'58e6672d932d74d5e2b6811b9d37d67c'
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'3f2c307c8ffae67f60c13ef69af8364a'
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@ -30,7 +32,9 @@ md5sums=('967f72983655e2479f951195953e8480'
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'eb14dcfd80c00852ef81ded6e826826a'
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'38c1fd4a1f303f1f6c38e7f082727e2f'
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'9d3c56a4b999c8bfbd4018089a62f662'
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'263725f20c0b9eb9c353040792d644e5')
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'263725f20c0b9eb9c353040792d644e5'
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'80a46681386bb87813989faeb92bdd9a'
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'827ffd855dc8b0c91577545c5804c19f')
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build() {
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cd "${srcdir}/linux-${_basekernel}"
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@ -50,6 +54,14 @@ build() {
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# needed.
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patch -Np1 -i "${srcdir}/i915-fix-ghost-tv-output.patch"
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# Fix backlight control on some laptops:
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# https://bugzilla.kernel.org/show_bug.cgi?id=43168
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patch -Np1 -i "${srcdir}/3.4.4-fix-backlight-regression.patch"
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# fix nouveau regression
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# Arch Linux bug report: FS#30417
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patch -Np1 -i "${srcdir}/3.4.4-fix-gtx560ti-nouveau-regression.patch"
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# Patch submitted upstream, waiting for inclusion:
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# https://lkml.org/lkml/2012/2/19/51
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# add support for latest bios of Acer 1810T acerhdf module
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# arg 2: the old package version
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KERNEL_NAME=
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KERNEL_VERSION=3.4.4-1-ARCH
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KERNEL_VERSION=3.4.4-2-ARCH
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# set a sane PATH to ensure that critical utils like depmod will be found
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export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
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