linux.git/drivers/video/fbdev/nvidia, branch v6.18.21 Clone of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git fbdev: Use string choices helpers 2025-09-30T21:21:34+00:00 Chelsy Ratnawat chelsyratnawat2001@gmail.com 2025-08-24T15:23:27+00:00 c7d655ef2e0ca25ae2c46df47eb62ada9e820c78 Use string_choices.h helpers instead of hard-coded strings. Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> 
Use string_choices.h helpers instead of hard-coded strings.

Signed-off-by: Chelsy Ratnawat <chelsyratnawat2001@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
fbdev: nvidiafb: fix build on 32-bit ARCH=um 2025-07-27T17:56:50+00:00 Johannes Berg johannes.berg@intel.com 2025-06-06T09:02:19+00:00 2662c7a9c3dcc9613a01c07a9118beb906aa455b Now that ARCH=um no longer has IO port accesses, this driver can no longer build as-is. Make the IO port calls not just conditional on i386 but also !UML. Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Helge Deller <deller@gmx.de> 
Now that ARCH=um no longer has IO port accesses, this driver
can no longer build as-is. Make the IO port calls not just
conditional on i386 but also !UML.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Helge Deller <deller@gmx.de>
fbdev: nvidiafb: Correct const string length in nvidiafb_setup() 2025-05-31T08:24:01+00:00 Zijun Hu quic_zijuhu@quicinc.com 2025-04-07T11:55:20+00:00 34fe05cd2d0f4cc625afb656469a9838f02ca59e The actual length of const string "noaccel" is 7, but the strncmp() branch in nvidiafb_setup() wrongly hard codes it as 6. Fix by using actual length 7 as argument of the strncmp(). Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com> Signed-off-by: Helge Deller <deller@gmx.de> 
The actual length of const string "noaccel" is 7, but the strncmp()
branch in nvidiafb_setup() wrongly hard codes it as 6.

Fix by using actual length 7 as argument of the strncmp().

Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next 2024-11-04T04:25:33+00:00 Dave Airlie airlied@redhat.com 2024-11-04T04:25:33+00:00 30169bb64580bd7bce9290c1952bf0aa6cc37fe5 Backmerge Linus tree for some drm-fixes needed for msm and xe merges. Signed-off-by: Dave Airlie <airlied@redhat.com> 
Backmerge Linus tree for some drm-fixes needed for msm and xe merges.

Signed-off-by: Dave Airlie <airlied@redhat.com>
fbdev: nvidiafb: fix inconsistent indentation warning 2024-10-15T08:07:32+00:00 SurajSonawane2415 surajsonawane0215@gmail.com 2024-10-06T07:15:14+00:00 57e755d333d1465c1cbf31d28245d429e1015beb Fix the indentation to ensure consistent code style and improve readability, and to fix this warning: drivers/video/fbdev/nvidia/nv_hw.c:1512 NVLoadStateExt() warn: inconsistent indenting Signed-off-by: SurajSonawane2415 <surajsonawane0215@gmail.com> Signed-off-by: Helge Deller <deller@gmx.de> 
Fix the indentation to ensure consistent code style and improve
readability, and to fix this warning:
drivers/video/fbdev/nvidia/nv_hw.c:1512 NVLoadStateExt() warn:
inconsistent indenting

Signed-off-by: SurajSonawane2415 <surajsonawane0215@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
fbdev: nvidiafb: Use backlight power constants 2024-09-30T14:35:31+00:00 Thomas Zimmermann tzimmermann@suse.de 2024-07-31T12:33:46+00:00 d408dcfa731fc536714d2527d850a7693dabd1ae Replace FB_BLANK_ constants with their counterparts from the backlight subsystem. The values are identical, so there's no change in functionality or semantics. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Antonino Daplas <adaplas@gmail.com> Cc: Helge Deller <deller@gmx.de> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240731123502.1145082-6-tzimmermann@suse.de 
Replace FB_BLANK_ constants with their counterparts from the
backlight subsystem. The values are identical, so there's no
change in functionality or semantics.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240731123502.1145082-6-tzimmermann@suse.de
fbdev/nvidiafb: Initialize fb_ops to fbdev I/O-memory helpers 2023-10-19T10:55:53+00:00 Thomas Zimmermann tzimmermann@suse.de 2023-09-27T07:26:57+00:00 50182ed4eb2232bab18567dd460b02c98bcb0580 Initialize the instance of struct fb_ops with fbdev initializer macros for framebuffers in I/O address space. Set the read/write, draw and mmap callbacks to the correct implementation and avoid implicit defaults. Also select the necessary I/O helpers in Kconfig. Fbdev drivers sometimes rely on the callbacks being NULL for a default implementation to be invoked; hence requiring the I/O helpers to be built in any case. Setting all callbacks in all drivers explicitly will allow to make the I/O helpers optional. This benefits systems that do not use these functions. No functional changes. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Javier Martinez Canillas <javierm@redhat.com> Cc: Antonino Daplas <adaplas@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230927074722.6197-25-tzimmermann@suse.de 
Initialize the instance of struct fb_ops with fbdev initializer
macros for framebuffers in I/O address space. Set the read/write,
draw and mmap callbacks to the correct implementation and avoid
implicit defaults. Also select the necessary I/O helpers in Kconfig.

Fbdev drivers sometimes rely on the callbacks being NULL for a
default implementation to be invoked; hence requiring the I/O
helpers to be built in any case. Setting all callbacks in all
drivers explicitly will allow to make the I/O helpers optional.
This benefits systems that do not use these functions.

No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Javier Martinez Canillas <javierm@redhat.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230927074722.6197-25-tzimmermann@suse.de
fbdev: Remove FBINFO_DEFAULT from framebuffer_alloc()'ed structs 2023-07-24T14:50:38+00:00 Thomas Zimmermann tzimmermann@suse.de 2023-07-15T18:51:47+00:00 b3e148d730b7255dfcfb080c8633146e44b83b0c The flag FBINFO_DEFAULT is 0 and has no effect, as struct fbinfo.flags has been allocated to zero by framebuffer_alloc(). So do not set it. Flags should signal differences from the default values. After cleaning up all occurrences of FBINFO_DEFAULT, the token will be removed. v4: * clarify commit message (Geert, Dan) v2: * fix commit message (Miguel) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Helge Deller <deller@gmx.de> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ferenc Bakonyi <fero@drama.obuda.kando.hu> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Wei Liu <wei.liu@kernel.org> Cc: Dexuan Cui <decui@microsoft.com> Cc: Antonino Daplas <adaplas@gmail.com> Cc: Maik Broemme <mbroemme@libmpq.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Kristoffer Ericson <kristoffer.ericson@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Steve Glendinning <steve.glendinning@shawell.net> Cc: Bernie Thompson <bernie@plugable.com> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230715185343.7193-6-tzimmermann@suse.de 
The flag FBINFO_DEFAULT is 0 and has no effect, as struct fbinfo.flags
has been allocated to zero by framebuffer_alloc(). So do not set it.

Flags should signal differences from the default values. After cleaning
up all occurrences of FBINFO_DEFAULT, the token will be removed.

v4:
	* clarify commit message (Geert, Dan)
v2:
	* fix commit message (Miguel)

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Ferenc Bakonyi <fero@drama.obuda.kando.hu>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Wei Liu <wei.liu@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Maik Broemme <mbroemme@libmpq.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Cc: Bernie Thompson <bernie@plugable.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230715185343.7193-6-tzimmermann@suse.de
fbdev/nvidiafb: Use hardware device as backlight parent 2023-06-27T07:58:49+00:00 Thomas Zimmermann tzimmermann@suse.de 2023-06-13T11:06:54+00:00 3b4a4dfaa24daa59c3476c74ef989e6193e1dfa6 Use the hardware device in struct fb_info.device as parent of the backlight device. Aligns the driver with the rest of the codebase and prepares fbdev for making struct fb_info.dev optional. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Antonino Daplas <adaplas@gmail.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-20-tzimmermann@suse.de 
Use the hardware device in struct fb_info.device as parent of the
backlight device. Aligns the driver with the rest of the codebase
and prepares fbdev for making struct fb_info.dev optional.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Antonino Daplas <adaplas@gmail.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-20-tzimmermann@suse.de
fbdev/nvidiafb: Reorder backlight and framebuffer init/cleanup 2023-06-27T07:58:49+00:00 Thomas Zimmermann tzimmermann@suse.de 2023-06-13T11:06:53+00:00 476a841f35ac47adac2f4c699f3176de86b170b3 The driver's backlight code requires the framebuffer to be registered. Therefore reorder the init and cleanup calls for both data structures. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Cc: Antonino Daplas <adaplas@gmail.com> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-19-tzimmermann@suse.de 
The driver's backlight code requires the framebuffer to be
registered. Therefore reorder the init and cleanup calls for
both data structures.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Antonino Daplas <adaplas@gmail.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230613110953.24176-19-tzimmermann@suse.de