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Date:   Wed, 08 Jun 2022 16:51:33 -0400
From:   Lyude Paul <lyude@...hat.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Ben Skeggs <bskeggs@...hat.com>,
        Karol Herbst <kherbst@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] drm/nouveau/bios: Rename prom_init() and friends
 functions

Alright, dim's pushing it now. sorry about that!

On Wed, 2022-06-08 at 16:48 -0400, Lyude Paul wrote:
> Whoops, it totally may have. Thank you for the reminder, I will double check
> and make sure this gets pushed today
> 
> On Tue, 2022-06-07 at 23:00 +1000, Michael Ellerman wrote:
> > Lyude Paul <lyude@...hat.com> writes:
> > > Reviewed-by: Lyude Paul <lyude@...hat.com>
> > > 
> > > Will push to drm-misc-next
> > 
> > I don't see this patch in mainline or drm-misc-next, did it get lost?
> > 
> > cheers
> > 
> > > On Sat, 2022-03-19 at 11:27 +0100, Christophe Leroy wrote:
> > > > While working at fixing powerpc headers, I ended up with the
> > > > following error.
> > > > 
> > > >         drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c:48:1:
> > > > error:
> > > > conflicting types for 'prom_init'; have 'void *(struct nvkm_bios *,
> > > > const
> > > > char *)'
> > > >         make[5]: *** [scripts/Makefile.build:288:
> > > > drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.o] Error 1
> > > > 
> > > > powerpc and a few other architectures have a prom_init() global
> > > > function.
> > > > One day or another it will conflict with the one in shadowrom.c
> > > > 
> > > > Those being static, they can easily be renamed. Do it.
> > > > 
> > > > While at it, also rename the ops structure as 'nvbios_prom' instead of
> > > > 'nvbios_rom' in order to make it clear that it refers to the
> > > > NV_PROM device.
> > > > 
> > > > Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> > > > ---
> > > > v2: using nvbios_prom prefix instead of nvbios_rom. Changed structure
> > > > name
> > > > to keep things consistant.
> > > > 
> > > >  drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h    |  2 +-
> > > >  drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c  |  2 +-
> > > >  .../gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c   | 14 +++++++------
> > > > -
> > > >  3 files changed, 9 insertions(+), 9 deletions(-)
> > > > 
> > > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > > index fac1bff1311b..cfa8a0c356dd 100644
> > > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h
> > > > @@ -19,7 +19,7 @@ struct nvbios_source {
> > > >  int nvbios_extend(struct nvkm_bios *, u32 length);
> > > >  int nvbios_shadow(struct nvkm_bios *);
> > > >  
> > > > -extern const struct nvbios_source nvbios_rom;
> > > > +extern const struct nvbios_source nvbios_prom;
> > > >  extern const struct nvbios_source nvbios_ramin;
> > > >  extern const struct nvbios_source nvbios_acpi_fast;
> > > >  extern const struct nvbios_source nvbios_acpi_slow;
> > > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > > index 4b571cc6bc70..19188683c8fc 100644
> > > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
> > > > @@ -171,7 +171,7 @@ nvbios_shadow(struct nvkm_bios *bios)
> > > >         struct shadow mthds[] = {
> > > >                 { 0, &nvbios_of },
> > > >                 { 0, &nvbios_ramin },
> > > > -               { 0, &nvbios_rom },
> > > > +               { 0, &nvbios_prom },
> > > >                 { 0, &nvbios_acpi_fast },
> > > >                 { 4, &nvbios_acpi_slow },
> > > >                 { 1, &nvbios_pcirom },
> > > > diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > > b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > > index ffa4b395220a..39144ceb117b 100644
> > > > --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > > +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowrom.c
> > > > @@ -25,7 +25,7 @@
> > > >  #include <subdev/pci.h>
> > > >  
> > > >  static u32
> > > > -prom_read(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
> > > > +nvbios_prom_read(void *data, u32 offset, u32 length, struct nvkm_bios
> > > > *bios)
> > > >  {
> > > >         struct nvkm_device *device = data;
> > > >         u32 i;
> > > > @@ -38,14 +38,14 @@ prom_read(void *data, u32 offset, u32 length,
> > > > struct
> > > > nvkm_bios *bios)
> > > >  }
> > > >  
> > > >  static void
> > > > -prom_fini(void *data)
> > > > +nvbios_prom_fini(void *data)
> > > >  {
> > > >         struct nvkm_device *device = data;
> > > >         nvkm_pci_rom_shadow(device->pci, true);
> > > >  }
> > > >  
> > > >  static void *
> > > > -prom_init(struct nvkm_bios *bios, const char *name)
> > > > +nvbios_prom_init(struct nvkm_bios *bios, const char *name)
> > > >  {
> > > >         struct nvkm_device *device = bios->subdev.device;
> > > >         if (device->card_type == NV_40 && device->chipset >= 0x4c)
> > > > @@ -55,10 +55,10 @@ prom_init(struct nvkm_bios *bios, const char
> > > > *name)
> > > >  }
> > > >  
> > > >  const struct nvbios_source
> > > > -nvbios_rom = {
> > > > +nvbios_prom = {
> > > >         .name = "PROM",
> > > > -       .init = prom_init,
> > > > -       .fini = prom_fini,
> > > > -       .read = prom_read,
> > > > +       .init = nvbios_prom_init,
> > > > +       .fini = nvbios_prom_fini,
> > > > +       .read = nvbios_prom_read,
> > > >         .rw = false,
> > > >  };
> > > 
> > > -- 
> > > Cheers,
> > >  Lyude Paul (she/her)
> > >  Software Engineer at Red Hat
> > 
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat

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