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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Geert Uytterhoeven" <geert@linux-m68k.org>,
	"Michal Suchánek" <msuchanek@suse.de>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@linux.ie>, Helge Deller <deller@gmx.de>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Javier Martinez Canillas <javierm@redhat.com>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Paul Mackerras <paulus@samba.org>,
	Maxime Ripard <maxime@cerno.tech>,
	Daniel Vetter <daniel@ffwll.ch>, Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers
Date: Sat, 21 May 2022 11:35:14 +1000	[thread overview]
Message-ID: <ea7ef1e652f5664a41f2befc3cb97bd089f27e69.camel@kernel.crashing.org> (raw)
In-Reply-To: <CAMuHMdUws2eJ4pHng4GD0PjuvMj5Hef_y_YyM4fUJV9xdUVuEQ@mail.gmail.com>

On Thu, 2022-05-19 at 09:11 +0200, Geert Uytterhoeven wrote:
> Hi Michal,
> 
> 
> 
> On Wed, May 18, 2022 at 8:54 PM Michal Suchánek <msuchanek@suse.de>
> wrote:
> 
> > On Wed, May 18, 2022 at 08:30:06PM +0200, Thomas Zimmermann wrote:
> > > --- a/drivers/gpu/drm/tiny/Kconfig
> > > +++ b/drivers/gpu/drm/tiny/Kconfig
> > > @@ -51,6 +51,18 @@ config DRM_GM12U320
> > >         This is a KMS driver for projectors which use the
> > > GM12U320 chipset
> > >         for video transfer over USB2/3, such as the Acer C120
> > > mini projector.
> > > +config DRM_OFDRM
> > > +     tristate "Open Firmware display driver"
> > > +     depends on DRM && MMU && PPC
> > Does this build with !PCI?
> > The driver uses some PCI functions, so it might possibly break with
> > randconfig. I don't think there are practical !PCI PPC
> > configurations.
> 
> 
> IIRC, the first PowerMacs didn't have PCI.

They also don't have OF and we never supported them upstream :-)

Cheers,
Ben.


WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Geert Uytterhoeven" <geert@linux-m68k.org>,
	"Michal Suchánek" <msuchanek@suse.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>,
	Javier Martinez Canillas <javierm@redhat.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Helge Deller <deller@gmx.de>, Maxime Ripard <maxime@cerno.tech>,
	Sam Ravnborg <sam@ravnborg.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Paul Mackerras <paulus@samba.org>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers
Date: Sat, 21 May 2022 11:35:14 +1000	[thread overview]
Message-ID: <ea7ef1e652f5664a41f2befc3cb97bd089f27e69.camel@kernel.crashing.org> (raw)
In-Reply-To: <CAMuHMdUws2eJ4pHng4GD0PjuvMj5Hef_y_YyM4fUJV9xdUVuEQ@mail.gmail.com>

On Thu, 2022-05-19 at 09:11 +0200, Geert Uytterhoeven wrote:
> Hi Michal,
> 
> 
> 
> On Wed, May 18, 2022 at 8:54 PM Michal Suchánek <msuchanek@suse.de>
> wrote:
> 
> > On Wed, May 18, 2022 at 08:30:06PM +0200, Thomas Zimmermann wrote:
> > > --- a/drivers/gpu/drm/tiny/Kconfig
> > > +++ b/drivers/gpu/drm/tiny/Kconfig
> > > @@ -51,6 +51,18 @@ config DRM_GM12U320
> > >         This is a KMS driver for projectors which use the
> > > GM12U320 chipset
> > >         for video transfer over USB2/3, such as the Acer C120
> > > mini projector.
> > > +config DRM_OFDRM
> > > +     tristate "Open Firmware display driver"
> > > +     depends on DRM && MMU && PPC
> > Does this build with !PCI?
> > The driver uses some PCI functions, so it might possibly break with
> > randconfig. I don't think there are practical !PCI PPC
> > configurations.
> 
> 
> IIRC, the first PowerMacs didn't have PCI.

They also don't have OF and we never supported them upstream :-)

Cheers,
Ben.


WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Geert Uytterhoeven" <geert@linux-m68k.org>,
	"Michal Suchánek" <msuchanek@suse.de>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@linux.ie>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Helge Deller <deller@gmx.de>,
	linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
	Javier Martinez Canillas <javierm@redhat.com>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Paul Mackerras <paulus@samba.org>,
	Maxime Ripard <maxime@cerno.tech>,
	Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers
Date: Sat, 21 May 2022 11:35:14 +1000	[thread overview]
Message-ID: <ea7ef1e652f5664a41f2befc3cb97bd089f27e69.camel@kernel.crashing.org> (raw)
In-Reply-To: <CAMuHMdUws2eJ4pHng4GD0PjuvMj5Hef_y_YyM4fUJV9xdUVuEQ@mail.gmail.com>

On Thu, 2022-05-19 at 09:11 +0200, Geert Uytterhoeven wrote:
> Hi Michal,
> 
> 
> 
> On Wed, May 18, 2022 at 8:54 PM Michal Suchánek <msuchanek@suse.de>
> wrote:
> 
> > On Wed, May 18, 2022 at 08:30:06PM +0200, Thomas Zimmermann wrote:
> > > --- a/drivers/gpu/drm/tiny/Kconfig
> > > +++ b/drivers/gpu/drm/tiny/Kconfig
> > > @@ -51,6 +51,18 @@ config DRM_GM12U320
> > >         This is a KMS driver for projectors which use the
> > > GM12U320 chipset
> > >         for video transfer over USB2/3, such as the Acer C120
> > > mini projector.
> > > +config DRM_OFDRM
> > > +     tristate "Open Firmware display driver"
> > > +     depends on DRM && MMU && PPC
> > Does this build with !PCI?
> > The driver uses some PCI functions, so it might possibly break with
> > randconfig. I don't think there are practical !PCI PPC
> > configurations.
> 
> 
> IIRC, the first PowerMacs didn't have PCI.

They also don't have OF and we never supported them upstream :-)

Cheers,
Ben.


  parent reply	other threads:[~2022-05-21  1:41 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18 18:30 [PATCH 0/2] drm: Add driverof PowerPC OF displays Thomas Zimmermann
2022-05-18 18:30 ` Thomas Zimmermann
2022-05-18 18:30 ` [PATCH 1/2] MAINTAINERS: Broaden scope of simpledrm entry Thomas Zimmermann
2022-05-18 18:30   ` Thomas Zimmermann
2022-05-20  5:18   ` Javier Martinez Canillas
2022-05-20  5:18     ` Javier Martinez Canillas
2022-05-18 18:30 ` [PATCH 2/2] drm/tiny: Add ofdrm for Open Firmware framebuffers Thomas Zimmermann
2022-05-18 18:30   ` Thomas Zimmermann
2022-05-18 18:51   ` Michal Suchánek
2022-05-18 18:51     ` Michal Suchánek
2022-05-18 18:51     ` Michal Suchánek
2022-05-19  7:11     ` Geert Uytterhoeven
2022-05-19  7:11       ` Geert Uytterhoeven
2022-05-19  7:11       ` Geert Uytterhoeven
2022-05-19  7:27       ` Thomas Zimmermann
2022-05-19  7:27         ` Thomas Zimmermann
2022-05-19  7:27         ` Thomas Zimmermann
2022-05-21  2:49         ` Benjamin Herrenschmidt
2022-05-21  2:49           ` Benjamin Herrenschmidt
2022-05-21  2:49           ` Benjamin Herrenschmidt
2022-05-25 16:45           ` Thomas Zimmermann
2022-05-25 16:45             ` Thomas Zimmermann
2022-05-25 16:45             ` Thomas Zimmermann
2022-05-27  0:17             ` Benjamin Herrenschmidt
2022-05-27  0:17               ` Benjamin Herrenschmidt
2022-05-27  0:17               ` Benjamin Herrenschmidt
2022-05-27  0:19             ` Benjamin Herrenschmidt
2022-05-27  0:19               ` Benjamin Herrenschmidt
2022-05-27  0:19               ` Benjamin Herrenschmidt
2022-05-21  1:35       ` Benjamin Herrenschmidt [this message]
2022-05-21  1:35         ` Benjamin Herrenschmidt
2022-05-21  1:35         ` Benjamin Herrenschmidt
2022-05-18 21:11   ` Mark Cave-Ayland
2022-05-19  6:34     ` Michal Suchánek
2022-05-19  6:34       ` Michal Suchánek
2022-05-19  6:34       ` Michal Suchánek
2022-05-19  7:39     ` Thomas Zimmermann
2022-05-20  6:19   ` Javier Martinez Canillas
2022-05-20  6:19     ` Javier Martinez Canillas
2022-05-22 19:35     ` Thomas Zimmermann
2022-05-22 19:35       ` Thomas Zimmermann
2022-05-25  3:15       ` Benjamin Herrenschmidt
2022-05-25  3:15         ` Benjamin Herrenschmidt

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