pm24.git/drivers/staging/fbtft/Kconfig, branch master

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

2023-09-05T12:14:04Z

Generate callback functions for struct fb_ops with the fbdev macro FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(). Initialize struct fb_ops to the 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

fbdev: Make support for userspace interfaces configurable

2023-06-27T07:58:51Z

Add Kconfig option CONFIG_FB_DEVICE and make the virtual fbdev device optional. If the new option has not been selected, fbdev does not create files in devfs, sysfs or procfs. Most modern Linux systems run a DRM-based graphics stack that uses the kernel's framebuffer console, but has otherwise deprecated fbdev support. Yet fbdev userspace interfaces are still present. The option makes it possible to use the fbdev subsystem as console implementation without support for userspace. This closes potential entry points to manipulate kernel or I/O memory via framebuffers. It also prevents the execution of driver code via ioctl or sysfs, both of which might allow malicious software to exploit bugs in the fbdev code. A small number of fbdev drivers require struct fbinfo.dev to be initialized, usually for the support of sysfs interface. Make these drivers 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

staging: fbtft: Remove fb_watterott driver

2021-11-15T09:02:02Z

This driver was made for a prototype and as far as I know it never went into 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.org Signed-off-by: Greg Kroah-Hartman

staging: fbtft: Fix Kconfig indentation

2019-11-20T14:20:28Z

Adjust indentation from spaces to tab (+optional two spaces) as in coding style with command like: $ sed -e 's/^ /\t/' -i */Kconfig Signed-off-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20191120133911.13539-1-krzk@kernel.org Signed-off-by: Greg Kroah-Hartman

fbtft: Drop OF dependency

2019-11-20T13:35:58Z

Now, 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.com Signed-off-by: Greg Kroah-Hartman

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

2019-10-26T18:47:52Z

The SEPS525 is a 160 RGB x 128 Dots, 262K Colors PM-OLED Display Driver and Controller. 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.pdf Signed-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.com Signed-off-by: Greg Kroah-Hartman

staging/fbtft: Remove flexfb

2019-10-01T06:22:44Z

flexfb 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.org Signed-off-by: Greg Kroah-Hartman

staging/fbtft: Remove fbtft_device

2019-10-01T06:22:44Z

Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") removed the gpio code from fbtft_device rendering it useless. fbtft_device is a module that was used on the Raspberry Pi to dynamically add fbtft devices when the Pi didn't have Device Tree support. Just remove the module since it's the responsibility of Device Tree, ACPI or 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.org Signed-off-by: Greg Kroah-Hartman

staging/fbtft: Depend on OF

2019-10-01T06:22:44Z

Commit c440eee1a7a1 ("Staging: fbtft: Switch to the gpio descriptor interface") removed setting gpios via platform data. This means that fbtft will now only work with Device Tree so set the dependency. This also prevents a NULL pointer deref on non-DT platform because fbtftops.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.org Signed-off-by: Greg Kroah-Hartman

staging: add missing SPDX lines to Kconfig files

2019-04-03T09:10:15Z

There are a few remaining drivers/staging/*/Kconfig files that do not have SPDX identifiers in them. Add the correct GPL-2.0 identifier to them to make scanning tools happy. Signed-off-by: Greg Kroah-Hartman