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[GitLab reopen] New device: Sony Xperia M (sony-nicki)

This commit is contained in:
Konrad Dybcio 2018-07-03 21:45:17 +00:00 committed by Oliver Smith
parent 70ef1506c4
commit 5133977921
15 changed files with 4664 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
aports/device/device-sony-nicki/90-android-touch-dev.rules Normal file
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@ -0,0 +1,8 @@
# udev rules file
# All device names can be read from weston's logfile
# Touchscreen (use 'weston-calibrator' to calibrate)
SUBSYSTEM=="input", ATTRS{name}=="synaptics_dsx_i2c", \
ENV{ID_INPUT}="1", ENV{ID_INPUT_TOUCHSCREEN}="1" \
ENV{WL_CALIBRATION}="1.013786 0.035310 -24.920929 -0.008370 0.990421 12.094299"

38
aports/device/device-sony-nicki/APKBUILD Executable file
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# Reference: <https://postmarketos.org/devicepkg>
pkgname="device-sony-nicki"
pkgdesc="Sony Xperia M"
pkgver=0.1
pkgrel=0
url="https://postmarketos.org"
license="MIT"
arch="noarch"
options="!check"
depends="postmarketos-base linux-sony-nicki mkbootimg mesa-dri-swrast mdss-fb-init-hack msm-fb-refresher"
makedepends="devicepkg-dev"
source="deviceinfo 90-android-touch-dev.rules screen-workaround.sh fb.modes pointercal"
build() {
devicepkg_build $startdir $pkgname
}
package() {
devicepkg_package $startdir $pkgname
install -D -m644 "$srcdir"/90-android-touch-dev.rules \
"$pkgdir"/etc/udev/rules.d/90-android-touch-dev.rules
install -D -m644 "$srcdir"/screen-workaround.sh \
"$pkgdir"/etc/profile.d/screen-workaround.sh
install -D -m644 "$srcdir"/fb.modes \
"$pkgdir"/etc/fb.modes
install -D -m644 "$srcdir"/pointercal \
"$pkgdir"/etc/pointercal
#I have no idea what it does but it's included in sony-yuga and
#if I do same on here, segfaults stop appearing in dmesg
ln -s /dev/null "$pkgdir"/etc/udev/rules.d/60-persistent-v4l.rules
}
sha512sums="ca821636f50ad0991ce24aa25edd6b961be747941de234d5190d08dc4962815ade591a5fd648ce6476512d37f7373ab4b2d3ff76d6783af81eaa66e487c14dde deviceinfo
a3d3a0cf43c5f216279666143d6042f2669dbe3dc5ecec2817b6118a0c122f5b927799b37432bee3167359c118d0142fd8e8e8d67374e8ab1d837673f217e1ae 90-android-touch-dev.rules
8cecfb3c726a59ebdf2a9e53df11e784d662329b50f288344121e7774368ee782c27229d94aee1f2f4d43eb6ef764ccb63af547beb43438b9750b2b888be61ff screen-workaround.sh
aac9a5d4c856b6feaf4f2961251fbc81d9173e24c3b20806e803711b40e388a173abf2651d5d828d36a504ef2de12c1c1eacea1f1b9479e31f55234012140405 fb.modes
016111b7618e2509186fd91dd238cdfb51c37a02af98ba01d3cf27358ff901f71f7ff5e798752334e720bf8108b907a31e9242085c8c915748f2d9391f86dfc4 pointercal"

34
aports/device/device-sony-nicki/deviceinfo Executable file
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# Reference: <https://postmarketos.org/deviceinfo>
# Please use double quotes only. You can source this file in shell scripts.
deviceinfo_format_version="0"
deviceinfo_name="Sony Xperia M"
deviceinfo_manufacturer="Sony"
deviceinfo_date=""
deviceinfo_dtb=""
deviceinfo_modules_initfs=""
deviceinfo_arch="armhf"
# Device related
deviceinfo_keyboard="false"
deviceinfo_external_storage="true"
deviceinfo_screen_width="480"
deviceinfo_screen_height="854"
deviceinfo_dev_touchscreen="/dev/input/event1"
deviceinfo_dev_touchscreen_calibration=""
deviceinfo_dev_keyboard=""
# Bootloader related
deviceinfo_flash_method="fastboot"
deviceinfo_kernel_cmdline="panic=3 console=ttyHSL0,115200,n8 androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x3F ehci-hcd.park=3"
deviceinfo_generate_bootimg="true"
deviceinfo_bootimg_qcdt="false"
deviceinfo_flash_offset_base="0x80200000"
deviceinfo_flash_offset_kernel="0x00008000"
deviceinfo_flash_offset_ramdisk="0x02000000"
deviceinfo_flash_offset_second="0x00f00000"
deviceinfo_flash_offset_tags="0x00000100"
deviceinfo_flash_pagesize="4096"
#weston
deviceinfo_weston_pixman_type="2"

7
aports/device/device-sony-nicki/fb.modes Normal file
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@ -0,0 +1,7 @@
mode "480x854-0"
# D: 0.003 MHz, H: 0.004 kHz, V: 0.005 Hz
geometry 480 854 480 854 16
timings 400000000 44 46 16 15 4 1
accel false
rgba 8/0,8/8,8/16,8/24
endmode

1
aports/device/device-sony-nicki/pointercal Normal file
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@ -0,0 +1 @@
31536 130 -845876 82 55830 -1337000 65536 480 854

10
aports/device/device-sony-nicki/screen-workaround.sh Normal file
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@ -0,0 +1,10 @@
main() {
# Wait untill graphical enviroment is running
sleep 5
# Workaround for buggy graphics driver
for i in 1 2
do
echo 255 > /sys/class/leds/lcd-backlight/brightness
done
}

49
aports/device/linux-sony-nicki/00_fix_return_address.patch Normal file
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@ -0,0 +1,49 @@
From aeea3592a13bf12861943e44fc48f1f270941f8d Mon Sep 17 00:00:00 2001
From: Behan Webster <behanw@converseincode.com>
Date: Wed, 24 Sep 2014 01:06:46 +0100
Subject: [PATCH] ARM: 8158/1: LLVMLinux: use static inline in ARM ftrace.h
With compilers which follow the C99 standard (like modern versions of gcc and
clang), "extern inline" does the wrong thing (emits code for an externally
linkable version of the inline function). In this case using static inline
and removing the NULL version of return_address in return_address.c does
the right thing.
Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/include/asm/ftrace.h | 2 +-
arch/arm/kernel/return_address.c | 5 -----
2 files changed, 1 insertion(+), 6 deletions(-)
diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index 39eb16b0066f2..bfe2a2f5a644e 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -45,7 +45,7 @@ void *return_address(unsigned int);
#else
-extern inline void *return_address(unsigned int level)
+static inline void *return_address(unsigned int level)
{
return NULL;
}
diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c
index fafedd86885dd..f6aa84d5b93c9 100644
--- a/arch/arm/kernel/return_address.c
+++ b/arch/arm/kernel/return_address.c
@@ -63,11 +63,6 @@ void *return_address(unsigned int level)
#warning "TODO: return_address should use unwind tables"
#endif
-void *return_address(unsigned int level)
-{
- return NULL;
-}
-
#endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) / else */
EXPORT_SYMBOL_GPL(return_address);

91
aports/device/linux-sony-nicki/01_fix_video_argb_setting.patch Normal file
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@ -0,0 +1,91 @@
From 79f928baf4e7b0fa8f36276b2f877da2d46a50d0 Mon Sep 17 00:00:00 2001
From: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Date: Mon, 11 Dec 2017 11:00:24 -0200
Subject: [PATCH] fix video argb setting
---
drivers/video/msm/msm_fb.c | 34 +++++++++++++++++-----------------
1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/video/msm/msm_fb.c b/drivers/video/msm/msm_fb.c
index 251a5cbb753d..dcd9262a88f4 100644
--- a/drivers/video/msm/msm_fb.c
+++ b/drivers/video/msm/msm_fb.c
@@ -1342,16 +1342,16 @@ static int msm_fb_register(struct msm_fb_data_type *mfd)
fix->xpanstep = 1;
fix->ypanstep = 1;
var->vmode = FB_VMODE_NONINTERLACED;
- var->blue.offset = 0;
- var->green.offset = 8;
- var->red.offset = 16;
+ var->blue.offset = 24;
+ var->green.offset = 16;
+ var->red.offset = 8;
var->blue.length = 8;
var->green.length = 8;
var->red.length = 8;
var->blue.msb_right = 0;
var->green.msb_right = 0;
var->red.msb_right = 0;
- var->transp.offset = 24;
+ var->transp.offset = 0;
var->transp.length = 8;
bpp = 4;
break;
@@ -1361,16 +1361,16 @@ static int msm_fb_register(struct msm_fb_data_type *mfd)
fix->xpanstep = 1;
fix->ypanstep = 1;
var->vmode = FB_VMODE_NONINTERLACED;
- var->blue.offset = 8;
- var->green.offset = 16;
- var->red.offset = 24;
+ var->blue.offset = 16;
+ var->green.offset = 8;
+ var->red.offset = 0;
var->blue.length = 8;
var->green.length = 8;
var->red.length = 8;
var->blue.msb_right = 0;
var->green.msb_right = 0;
var->red.msb_right = 0;
- var->transp.offset = 0;
+ var->transp.offset = 24;
var->transp.length = 8;
bpp = 4;
break;
@@ -2260,15 +2260,15 @@ static int msm_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
/* Figure out if the user meant RGBA or ARGB
and verify the position of the RGB components */
- if (var->transp.offset == 24) {
- if ((var->blue.offset != 0) ||
- (var->green.offset != 8) ||
- (var->red.offset != 16))
- return -EINVAL;
- } else if (var->transp.offset == 0) {
- if ((var->blue.offset != 8) ||
+ if (var->transp.offset == 0) {
+ if ((var->blue.offset != 24) ||
(var->green.offset != 16) ||
- (var->red.offset != 24))
+ (var->red.offset != 8))
+ return -EINVAL;
+ } else if (var->transp.offset == 24) {
+ if ((var->blue.offset != 16) ||
+ (var->green.offset != 8) ||
+ (var->red.offset != 0))
return -EINVAL;
} else
return -EINVAL;
@@ -2365,7 +2365,7 @@ static int msm_fb_set_par(struct fb_info *info)
break;
case 32:
- if (var->transp.offset == 24)
+ if (var->transp.offset == 0)
mfd->fb_imgType = MDP_ARGB_8888;
else
mfd->fb_imgType = MDP_RGBA_8888;
--
2.14.1

13
aports/device/linux-sony-nicki/02_mdss_fb_refresh_rate.patch Normal file
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@ -0,0 +1,13 @@
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index b37fd1e07ac1..1f091a261d22 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -2668,7 +2668,7 @@ static int mdss_fb_register(struct msm_fb_data_type *mfd)
var->left_margin = panel_info->lcdc.h_back_porch;
var->right_margin = panel_info->lcdc.h_front_porch;
var->hsync_len = panel_info->lcdc.h_pulse_width;
- var->pixclock = panel_info->clk_rate / 1000;
+ var->pixclock = 1000000 / 60;
/*
* Store the cont splash state in the var reserved[3] field.

40
aports/device/linux-sony-nicki/03_kgsl_iommu_sync_lock.patch Normal file
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@ -0,0 +1,40 @@
From 2853d750d5051be484a94406e8614b2fe5fc2d76 Mon Sep 17 00:00:00 2001
From: Chet Kener <Cl3Kener@gmail.com>
Date: Tue, 21 Oct 2014 18:41:36 -0400
Subject: [PATCH] gcc5: gpu: msm: fix 5.0 compile
* These need to be static to avoid these errors:
drivers/built-in.o: In function `.LANCHOR1':
msm_iommu_sec.c:(.data+0x9298): undefined reference to `kgsl_iommu_sync_lock'
msm_iommu_sec.c:(.data+0x929c): undefined reference to `kgsl_iommu_sync_unlock'
Makefile:877: recipe for target '.tmp_vmlinux1' failed
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Chet Kener <Cl3Kener@gmail.com>
---
drivers/gpu/msm/kgsl_iommu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/msm/kgsl_iommu.c b/drivers/gpu/msm/kgsl_iommu.c
index f76c95204a2..caf75592a2a 100755
--- a/drivers/gpu/msm/kgsl_iommu.c
+++ b/drivers/gpu/msm/kgsl_iommu.c
@@ -1019,7 +1019,7 @@ static int kgsl_iommu_init_sync_lock(struct kgsl_mmu *mmu)
*
* Return - int - number of commands.
*/
-inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
+static inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
unsigned int *cmds)
{
struct kgsl_device *device = mmu->device;
@@ -1089,7 +1089,7 @@ inline unsigned int kgsl_iommu_sync_lock(struct kgsl_mmu *mmu,
*
* Return - int - number of commands.
*/
-inline unsigned int kgsl_iommu_sync_unlock(struct kgsl_mmu *mmu,
+static inline unsigned int kgsl_iommu_sync_unlock(struct kgsl_mmu *mmu,
unsigned int *cmds)
{
struct kgsl_device *device = mmu->device;

106
aports/device/linux-sony-nicki/04_psmouse_base.patch Normal file
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@ -0,0 +1,106 @@
From ae4fef6fc558b0621532d0de6ebaaeaabe861792 Mon Sep 17 00:00:00 2001
From: sub77 <sub77@ymail.com>
Date: Fri, 31 Jul 2015 17:47:45 +0200
Subject: [PATCH] fix build error: PS2MOUSE fsp_detect & lifebook
---
drivers/input/mouse/psmouse-base.c | 62 +++++++++++++++++++-------------------
1 file changed, 31 insertions(+), 31 deletions(-)
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index a19c183557d..ad3d2e861d0 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -708,14 +708,14 @@ static int psmouse_extensions(struct psmouse *psmouse,
/*
* We always check for lifebook because it does not disturb mouse
* (it only checks DMI information).
+ *
+ * if (psmouse_do_detect(lifebook_detect, psmouse, set_properties) == 0) {
+ * if (max_proto > PSMOUSE_IMEX) {
+ * if (!set_properties || lifebook_init(psmouse) == 0)
+ * return PSMOUSE_LIFEBOOK;
+ * }
+ * }
*/
- if (psmouse_do_detect(lifebook_detect, psmouse, set_properties) == 0) {
- if (max_proto > PSMOUSE_IMEX) {
- if (!set_properties || lifebook_init(psmouse) == 0)
- return PSMOUSE_LIFEBOOK;
- }
- }
-
/*
* Try Kensington ThinkingMouse (we try first, because synaptics probe
* upsets the thinkingmouse).
@@ -821,19 +821,19 @@ static int psmouse_extensions(struct psmouse *psmouse,
/*
* Try Finger Sensing Pad. We do it here because its probe upsets
* Trackpoint devices (causing TP_READ_ID command to time out).
- */
- if (max_proto > PSMOUSE_IMEX) {
- if (psmouse_do_detect(fsp_detect,
- psmouse, set_properties) == 0) {
- if (!set_properties || fsp_init(psmouse) == 0)
- return PSMOUSE_FSP;
-/*
+ *
+ * if (max_proto > PSMOUSE_IMEX) {
+ * if (psmouse_do_detect(fsp_detect,
+ * psmouse, set_properties) == 0) {
+ * if (!set_properties || fsp_init(psmouse) == 0)
+ * return PSMOUSE_FSP;
+ *
* Init failed, try basic relative protocols
+ *
+ * max_proto = PSMOUSE_IMEX;
+ * }
+ * }
*/
- max_proto = PSMOUSE_IMEX;
- }
- }
-
/*
* Reset to defaults in case the device got confused by extended
* protocol probes. Note that we follow up with full reset because
@@ -944,12 +944,12 @@ static const struct psmouse_protocol psmouse_protocols[] = {
},
#endif
#ifdef CONFIG_MOUSE_PS2_LIFEBOOK
- {
- .type = PSMOUSE_LIFEBOOK,
- .name = "LBPS/2",
- .alias = "lifebook",
- .init = lifebook_init,
- },
+/* {
+* .type = PSMOUSE_LIFEBOOK,
+* .name = "LBPS/2",
+* .alias = "lifebook",
+* .init = lifebook_init,
+* },*/
#endif
#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
{
@@ -985,13 +985,13 @@ static const struct psmouse_protocol psmouse_protocols[] = {
},
#endif
#ifdef CONFIG_MOUSE_PS2_SENTELIC
- {
- .type = PSMOUSE_FSP,
- .name = "FSPPS/2",
- .alias = "fsp",
- .detect = fsp_detect,
- .init = fsp_init,
- },
+/* {
+* .type = PSMOUSE_FSP,
+* .name = "FSPPS/2",
+* .alias = "fsp",
+* .detect = fsp_detect,
+* .init = fsp_init,
+* },*/
#endif
{
.type = PSMOUSE_CORTRON,

25
aports/device/linux-sony-nicki/05_try_to_make_kgsl_work.patch Normal file
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@ -0,0 +1,25 @@
From fda935f1472cf056e47b15f04a3fae13fac36d25 Mon Sep 17 00:00:00 2001
From: Konrad Dybcio <ewentualxpl@gmail.com>
Date: Mon, 2 Jul 2018 20:51:18 +0200
Subject: [PATCH] try to make kgsl work
---
drivers/video/msm/mdss/mdss_fb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index f6bb3357f54..31cf5b1e6cc 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -1208,7 +1208,7 @@ int mdss_register_panel(struct mdss_panel_data *pdata)
return -EINVAL;
mfd->on_fnc = mdss_mdp_ctl_on;
- mfd->off_fnc = mdss_mdp_ctl_off;
+ mfd->off_fnc = NULL;
rc = mdss_mdp_overlay_init(mfd);
if (rc)
--
2.17.1

89
aports/device/linux-sony-nicki/APKBUILD Normal file
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@ -0,0 +1,89 @@
# Kernel config based on: arch/arm/configs/lineageos_nicki_defconfig
pkgname="linux-sony-nicki"
pkgver=3.4.0
pkgrel=0
pkgdesc="Sony Xperia M kernel fork"
arch="armhf"
_carch="arm"
_flavor="sony-nicki"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
# Source
_repository="android_kernel_sony_msm8x27"
_commit="627687e4625d208248fe5fa40dcaaeb3363dfce7"
_config="config-${_flavor}.${arch}"
source="
$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
$_config
00_fix_return_address.patch
01_fix_video_argb_setting.patch
02_mdss_fb_refresh_rate.patch
03_kgsl_iommu_sync_lock.patch
04_psmouse_base.patch
05_try_to_make_kgsl_work.patch
compiler-gcc6.h
"
builddir="$srcdir/${_repository}-${_commit}"
prepare() {
default_prepare
# gcc6 support
cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"
# Remove -Werror from all makefiles
local i
local makefiles="$(find . -type f -name Makefile)
$(find . -type f -name Kbuild)"
for i in $makefiles; do
sed -i 's/-Werror-/-W/g' "$i"
sed -i 's/-Werror//g' "$i"
done
# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
mkdir -p "$srcdir"/build
cp "$srcdir"/$_config "$builddir"/.config
yes "" | make O="$srcdir"/build ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
}
build() {
unset LDFLAGS
make ARCH="$_carch" CC="${CC:-gcc}" \
KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}
package() {
# kernel.release
install -D "$builddir/include/config/kernel.release" \
"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
# zImage (find the right one)
cd "$builddir/arch/$_carch/boot"
_target="$pkgdir/boot/vmlinuz-$_flavor"
for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
[ -e "$_zimg" ] || continue
msg "zImage found: $_zimg"
install -Dm644 "$_zimg" "$_target"
break
done
if ! [ -e "$_target" ]; then
error "Could not find zImage in $PWD!"
return 1
fi
}
sha512sums="cb1132c1add4c87490889ca20924f92bc89d646b2efefe023802c22e0167a2cfd39fdcbf7316f957ba4c93fe7318079df8dea5657aac92710ddcd45bfa7977f8 linux-sony-nicki-627687e4625d208248fe5fa40dcaaeb3363dfce7.tar.gz
935391d48e4880f76acb90525c2455c07e14b6e90c73c4334c735ac03e79de93e909705b3a3700443964594c8b06ea619f80271d2ea51e2590b567d78d780417 config-sony-nicki.armhf
ea1d3b5a234fa565e3c1a792de48f4fc4e6023d281d303c8e319c7ef28edc5739ab0e4dea0139a41f0a5c7d03e27921ccaa214fd0ac5c72245a094ce60128864 00_fix_return_address.patch
e3083c260ed9c4fc0d83f43106700b6173876dbfae072f6e6696ac6785a4dc17771fbcb3e21601e04ed29a11bf0f7a2a09ad549375e0c34cea245c7f2e2bcbbd 01_fix_video_argb_setting.patch
a8c955bf718f155011e980f3d0948be98e1fee5649f418299a4851780543019daf7afa406aa7b0829375645107e4e6fbf241026b0cabe2b2ac895a47df83d2d8 02_mdss_fb_refresh_rate.patch
448bad436377a22c93ac401b9aecb504fe8e84b9511a3dd28f3cc125f3725cc1168ef03dee9f8f1085a9fbb7910b9e75cd25a382ccce626b427c8e27f7c17ffc 03_kgsl_iommu_sync_lock.patch
f7e31cfe422696922aec52002e56c58103183966edee3bb8e1995d33f8d37b07c32280a8ecc213874e358a6ff367418556a4542fba7e3c17e4b8e82e05c3a543 04_psmouse_base.patch
270aa134a7040409cf2ec5502939b8aa68470c47eeb2bef8f378aa2758a8b546b79018298a81625351f1c06241d8f76bf016793474f58b888db7871a5d745801 05_try_to_make_kgsl_work.patch
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc compiler-gcc6.h"

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// SOURCE:
// https://github.com/NextThingCo/CHIP-u-boot/issues/10#issuecomment-287515505
#ifndef __LINUX_COMPILER_H
#error "Please don't include <linux/compiler-gcc6.h> directly, include <linux/compiler.h> instead."
#endif
#define __used __attribute__((__used__))
#define __must_check __attribute__((warn_unused_result))
#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
/* Mark functions as cold. gcc will assume any path leading to a call
to them will be unlikely. This means a lot of manual unlikely()s
are unnecessary now for any paths leading to the usual suspects
like BUG(), printk(), panic() etc. [but let's keep them for now for
older compilers]
Early snapshots of gcc 4.3 don't support this and we can't detect this
in the preprocessor, but we can live with this because they're unreleased.
Maketime probing would be overkill here.
gcc also has a __attribute__((__hot__)) to move hot functions into
a special section, but I don't see any sense in this right now in
the kernel context */
#define __cold __attribute__((__cold__))
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
#ifndef __CHECKER__
# define __compiletime_warning(message) __attribute__((warning(message)))
# define __compiletime_error(message) __attribute__((error(message)))
#endif /* __CHECKER__ */
/*
* Mark a position in code as unreachable. This can be used to
* suppress control flow warnings after asm blocks that transfer
* control elsewhere.
*
* Early snapshots of gcc 4.5 don't support this and we can't detect
* this in the preprocessor, but we can live with this because they're
* unreleased. Really, we need to have autoconf for the kernel.
*/
#define unreachable() __builtin_unreachable()
/* Mark a function definition as prohibited from being cloned. */
#define __noclone __attribute__((__noclone__))
/*
* Tell the optimizer that something else uses this function or variable.
*/
#define __visible __attribute__((externally_visible))
/*
* GCC 'asm goto' miscompiles certain code sequences:
*
* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
*
* Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
*
* (asm goto is automatically volatile - the naming reflects this.)
*/
#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
#define __HAVE_BUILTIN_BSWAP32__
#define __HAVE_BUILTIN_BSWAP64__
#define __HAVE_BUILTIN_BSWAP16__
#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */

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