Changes in Kconfig

8fc38062 - fbdev: Fix recursive dependencies wrt BACKLIGHT_CLASS_DEVICE

Mon, 16 Dec 2024 07:42:47 +0000

fbdev: Fix recursive dependencies wrt BACKLIGHT_CLASS_DEVICEDo not select BACKLIGHT_CLASS_DEVICE from FB_BACKLIGHT. The latteronly controls backlight support within fbdev core code and datastructures.Make fbdev drivers depend on BACKLIGHT_CLASS_DEVICE and let usersselect it explicitly. Fixes warnings about recursive dependencies,such aserror: recursive dependency detected! symbol BACKLIGHT_CLASS_DEVICE is selected by FB_BACKLIGHT symbol FB_BACKLIGHT is selected by FB_SH_MOBILE_LCDC symbol FB_SH_MOBILE_LCDC depends on FB_DEVICE symbol FB_DEVICE depends on FB_CORE symbol FB_CORE is selected by DRM_GEM_DMA_HELPER symbol DRM_GEM_DMA_HELPER is selected by DRM_PANEL_ILITEK_ILI9341 symbol DRM_PANEL_ILITEK_ILI9341 depends on BACKLIGHT_CLASS_DEVICEBACKLIGHT_CLASS_DEVICE is user-selectable, so making drivers adapt toit is the correct approach in any case. For most drivers, backlightsupport is also configurable separately.v3:- Select BACKLIGHT_CLASS_DEVICE in PowerMac defconfigs (Christophe)- Fix PMAC_BACKLIGHT module dependency corner cases (Christophe)v2:- s/BACKLIGHT_DEVICE_CLASS/BACKLIGHT_CLASS_DEVICE (Helge)- Fix fbdev driver-dependency corner case (Arnd)Signed-off-by: Thomas Zimmermann Reviewed-by: Arnd Bergmann Link: https://patchwork.freedesktop.org/patch/msgid/20241216074450.8590-2-tzimmermann@suse.de List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

c3ba2ada - staging/fbtft: Use fb_ops helpers for deferred I/O

Mon, 28 Aug 2023 13:14:24 +0000

staging/fbtft: Use fb_ops helpers for deferred I/OGenerate callback functions for struct fb_ops with the fbdev macroFB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(). Initialize struct fb_ops tothe generated functions with an fbdev initializer macro.Signed-off-by: Thomas Zimmermann Acked-by: Greg Kroah-Hartman Acked-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20230828132131.29295-9-tzimmermann@suse.de List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

701d2054 - fbdev: Make support for userspace interfaces configurable

Tue, 13 Jun 2023 11:07:13 +0000

fbdev: Make support for userspace interfaces configurableAdd Kconfig option CONFIG_FB_DEVICE and make the virtual fbdevdevice optional. If the new option has not been selected, fbdevdoes not create files in devfs, sysfs or procfs.Most modern Linux systems run a DRM-based graphics stack that usesthe kernel's framebuffer console, but has otherwise deprecated fbdevsupport. Yet fbdev userspace interfaces are still present.The option makes it possible to use the fbdev subsystem as consoleimplementation without support for userspace. This closes potentialentry points to manipulate kernel or I/O memory via framebuffers. Italso prevents the execution of driver code via ioctl or sysfs, bothof which might allow malicious software to exploit bugs in the fbdevcode.A small number of fbdev drivers require struct fbinfo.dev to beinitialized, usually for the support of sysfs interface. Make thesedrivers depend on FB_DEVICE. They can later be fixed if necessary.v3: * effect -> affect in Kconfig help (Daniel)v2: * set FB_DEVICE default to y (Geert) * comment on {get,put}_device() (Sam) * Kconfig fixes (Sam) * add TODO item about FB_DEVICE dependencies (Sam)Signed-off-by: Thomas Zimmermann Acked-by: Greg Kroah-Hartman Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-39-tzimmermann@suse.de List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

afa9755e - staging: fbtft: Remove fb_watterott driver

Fri, 05 Nov 2021 20:24:48 +0000

staging: fbtft: Remove fb_watterott driverThis driver was made for a prototype and as far as I know it never wentinto production because it was too slow. So let's remove it.Acked-by: Sam Ravnborg Signed-off-by: Noralf Trønnes Link: https://lore.kernel.org/r/20211105202448.62518-1-noralf@tronnes.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

3750392e - staging: fbtft: Fix Kconfig indentation

Wed, 20 Nov 2019 13:39:11 +0000

staging: fbtft: Fix Kconfig indentationAdjust indentation from spaces to tab (+optional two spaces) as incoding style with command like: $ sed -e 's/^ /\t/' -i */KconfigSigned-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20191120133911.13539-1-krzk@kernel.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

189f39ee - fbtft: Drop OF dependency

Wed, 20 Nov 2019 09:57:16 +0000

fbtft: Drop OF dependencyNow, since driver became OF independent, no need to keep OF dependency.Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20191120095716.26628-5-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

f29acb9c - drivers/staging/fbtft/fb_seps525: New driver for SEPS525 (Syncoam) LCD Controllers

Thu, 17 Oct 2019 17:02:03 +0000

drivers/staging/fbtft/fb_seps525: New driver for SEPS525 (Syncoam) LCD ControllersThe SEPS525 is a 160 RGB x 128 Dots, 262K Colors PM-OLED Display Driver andController.The controller can be found on the NHD-1.69-160128UGC3(Newhaven Display International, Inc.).Datasheets:Link: https://www.newhavendisplay.com/appnotes/datasheets/OLEDs/SEPS525.pdfSigned-off-by: Michael Hennerich Co-developed-by: Beniamin Bia Signed-off-by: Beniamin Bia Link: https://lore.kernel.org/r/20191017170203.11999-1-beniamin.bia@analog.comSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

cc296509 - staging/fbtft: Remove flexfb

Tue, 17 Sep 2019 17:18:43 +0000

staging/fbtft: Remove flexfbflexfb was an attempt to write a generic fbtft driver that was abandoned.All the displays it supports are supported by other fbtft drivers.Signed-off-by: Noralf Trønnes Link: https://lore.kernel.org/r/20190917171843.10334-3-noralf@tronnes.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

2962db71 - staging/fbtft: Remove fbtft_device

Tue, 17 Sep 2019 17:18:42 +0000

staging/fbtft: Remove fbtft_deviceCommit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptorinterface") removed the gpio code from fbtft_device rendering it useless.fbtft_device is a module that was used on the Raspberry Pi to dynamicallyadd fbtft devices when the Pi didn't have Device Tree support.Just remove the module since it's the responsibility of Device Tree, ACPIor platform code to add devices.Fixes: c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface")Signed-off-by: Noralf Trønnes Link: https://lore.kernel.org/r/20190917171843.10334-2-noralf@tronnes.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

63f2b167 - staging/fbtft: Depend on OF

Tue, 17 Sep 2019 17:18:41 +0000

staging/fbtft: Depend on OFCommit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptorinterface") removed setting gpios via platform data. This means thatfbtft will now only work with Device Tree so set the dependency.This also prevents a NULL pointer deref on non-DT platform becausefbtftops.request_gpios is not set in that case anymore.Fixes: c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface")Cc: stable Signed-off-by: Noralf Trønnes Link: https://lore.kernel.org/r/20190917171843.10334-1-noralf@tronnes.orgSigned-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

99b75a4e - staging: add missing SPDX lines to Kconfig files

Tue, 02 Apr 2019 10:31:48 +0000

staging: add missing SPDX lines to Kconfig filesThere are a few remaining drivers/staging/*/Kconfig files that do nothave SPDX identifiers in them. Add the correct GPL-2.0 identifier tothem to make scanning tools happy.Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

1bb66049 - staging: fbtft: remove unused FB_TFT_SSD1325 kconfig

Tue, 23 Jan 2018 14:36:25 +0000

staging: fbtft: remove unused FB_TFT_SSD1325 kconfigSince nothing builds/depends on FB_TFT_SSD1325, we could remove it.Signed-off-by: Corentin Labbe Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

079306e9 - staging: fbtft: add adriver for SH1106

Tue, 28 Feb 2017 07:10:38 +0000

staging: fbtft: add adriver for SH1106This patch adds support for the SH1106 OLED controller chip.It's similar to the SSD1306, however it supports only a subset ofcommands and the internal video memory has a different width.Major differences:- Internal video memory has a width of 132 pixels- Only a subset of commands is supported- Only page addressing mode is supported, no support for vertical and horizontal addressing- SPI frequency limited to 2 MHz according to the datasheetSuccessfully tested with a 1.3" OLED display with this chip andSPI interface.Signed-off-by: Heiner Kallweit Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

12e2a341 - Staging: fbtft: add ssd1325 controller support

Wed, 27 Jan 2016 09:04:34 +0000

Staging: fbtft: add ssd1325 controller supportThat patch adds support for SSD1325 controller.That is 4bpp grayscale OLED display controller present in severaldisplays eq: Winstar WEX012864Signed-off-by: Alexey Mednyy Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

5795354f - Staging: fbtft: add ssd1305 controller support

Wed, 27 Jan 2016 09:04:23 +0000

Staging: fbtft: add ssd1305 controller supportThat patch adds support for SSD1305 controller.That is monochrome OLED display controller present in severaldisplays eq: Winstar WEX012864Signed-off-by: Alexey Mednyy Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

d4c402ff - staging: fbtft: add support for ST7789V display controller

Wed, 07 Oct 2015 20:15:45 +0000

staging: fbtft: add support for ST7789V display controllerThis patch adds support for the Sitronix ST7789V display controller.The controller is intended for small color displays with a resolutionof up to 320x240 pixels.Signed-off-by: Dennis Menschel Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

24b7d011 - staging: fbtft: Allow compile test of GPIO consumers if !GPIOLIB

Sun, 02 Aug 2015 09:09:52 +0000

staging: fbtft: Allow compile test of GPIO consumers if !GPIOLIBThe GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB isnot enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumerfunctionality only, can still be compiled if GPIOLIB is not enabled.Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, whereappropriate.Signed-off-by: Geert Uytterhoeven Acked-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

a1560f9b - Staging: fbtft: Add support for the Ultrachip UC1611 LCD controller

Tue, 14 Jul 2015 12:59:39 +0000

Staging: fbtft: Add support for the Ultrachip UC1611 LCD controllerThis is a driver chip for 240x160 4-bit greyscale LCDs.It is capable of 4-wire (8 bit) or 3-wire (9 bit) SPI that have both beentested. (It also has a 6800 or 8080-style parallel interface, but I havenot included support for it.)Signed-off-by: Henri Chain Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

9cd491e8 - staging: fbtft: Add support for Himax HX8357D controller

Sun, 31 May 2015 12:44:54 +0000

staging: fbtft: Add support for Himax HX8357D controllerThe Himax HX8357D is used e.g. by the Adafruit PITFT Plus 3.5".Adafruit added HX8357D support to an own fork of fbtft and supportRaspbian only (https://github.com/adafruit/adafruit-rpi-fbtft/).They don't intend to push it upstream but gave me the ok to do so.Original author: Sean Cross I just applied small changes to the driver to align it with the otherfbtft drivers.- add "compatible" argument to FBTFT_REGISTER_DRIVER call- add missing MODULE_ALIAS declarationsTested successfully with this display on an RPI2 under Arch Linux ARM(kernel 3.18.13).Signed-off-by: Heiner Kallweit Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig

69e98df7 - Staging: fixed multiple spelling errors.

Fri, 24 Apr 2015 13:40:42 +0000

Staging: fixed multiple spelling errors.Fixed multiple spelling errors.Signed-off-by: Carlos E. Garcia Signed-off-by: Greg Kroah-Hartman List of files: /linux-6.15/drivers/staging/fbtft/Kconfig