[PATCH v5 0/5] ppc, fbdev: Clean up fbdev mmap helper

[Michael Ellerman]

Thomas Zimmermann <tzimmermann at suse.de> writes:
> FYI, I intent to merge patches 1 and 2 of this patchset into 
> drm-misc-next. The updates for PowerPC can be merged through PPC trees 
> later. Let me know if this does not work for you.

Hi Thomas,

Sorry for the late reply, I was on leave.

Yeah that's fine.

cheers

> Am 22.09.23 um 10:04 schrieb Thomas Zimmermann:
>> Clean up and rename fb_pgprotect() to work without struct file. Then
>> refactor the implementation for PowerPC. This change has been discussed
>> at [1] in the context of refactoring fbdev's mmap code.
>> 
>> The first two patches update fbdev and replace fbdev's fb_pgprotect()
>> with pgprot_framebuffer() on all architectures. The new helper's stream-
>> lined interface enables more refactoring within fbdev's mmap
>> implementation.
>> 
>> Patches 3 to 5 adapt PowerPC's internal interfaces to provide
>> phys_mem_access_prot() that works without struct file. Neither the
>> architecture code or fbdev helpers need the parameter.
>> 
>> v5:
>> 	* improve commit descriptions (Javier)
>> 	* add missing tags (Geert)
>> v4:
>> 	* fix commit message (Christophe)
>> v3:
>> 	* rename fb_pgrotect() to pgprot_framebuffer() (Arnd)
>> v2:
>> 	* reorder patches to simplify merging (Michael)
>> 
>> [1] https://lore.kernel.org/linuxppc-dev/5501ba80-bdb0-6344-16b0-0466a950f82c@suse.com/
>> 
>> Thomas Zimmermann (5):
>>    fbdev: Avoid file argument in fb_pgprotect()
>>    fbdev: Replace fb_pgprotect() with pgprot_framebuffer()
>>    arch/powerpc: Remove trailing whitespaces
>>    arch/powerpc: Remove file parameter from phys_mem_access_prot code
>>    arch/powerpc: Call internal __phys_mem_access_prot() in fbdev code
>> 
>>   arch/ia64/include/asm/fb.h                | 15 +++++++--------
>>   arch/m68k/include/asm/fb.h                | 19 ++++++++++---------
>>   arch/mips/include/asm/fb.h                | 11 +++++------
>>   arch/powerpc/include/asm/book3s/pgtable.h | 10 ++++++++--
>>   arch/powerpc/include/asm/fb.h             | 13 +++++--------
>>   arch/powerpc/include/asm/machdep.h        | 13 ++++++-------
>>   arch/powerpc/include/asm/nohash/pgtable.h | 10 ++++++++--
>>   arch/powerpc/include/asm/pci.h            |  4 +---
>>   arch/powerpc/kernel/pci-common.c          |  3 +--
>>   arch/powerpc/mm/mem.c                     |  8 ++++----
>>   arch/sparc/include/asm/fb.h               | 15 +++++++++------
>>   arch/x86/include/asm/fb.h                 | 10 ++++++----
>>   arch/x86/video/fbdev.c                    | 15 ++++++++-------
>>   drivers/video/fbdev/core/fb_chrdev.c      |  3 ++-
>>   include/asm-generic/fb.h                  | 12 ++++++------
>>   15 files changed, 86 insertions(+), 75 deletions(-)
>> 
>> 
>> base-commit: f8d21cb17a99b75862196036bb4bb93ee9637b74
>
> -- 
> Thomas Zimmermann
> Graphics Driver Developer
> SUSE Software Solutions Germany GmbH
> Frankenstrasse 146, 90461 Nuernberg, Germany
> GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman
> HRB 36809 (AG Nuernberg)