[PATCH v2 00/10] drm: Add driver for PowerPC OF displays

[Michael Ellerman]

Thomas Zimmermann <tzimmermann at suse.de> writes:
> (was: drm: Add driverof PowerPC OF displays)
>
> PowerPC's Open Firmware offers a simple display buffer for graphics
> output. Add ofdrm, a DRM driver for the device. As with the existing
> simpledrm driver, the graphics hardware is pre-initialized by the
> firmware. The driver only provides blitting, no actual DRM modesetting
> is possible.

Hi Thomas,

I tried to test this on a 32-bit ppc Mac Mini but didn't have much luck.
But I'm probably doing something wrong because I'm a graphics noob.

The machine normally uses CONFIG_DRM_RADEON, so I turned that off, and
turned DRM_OFDRM on.

When I boot I get boot messages but only one screen worth, the messages
don't scroll at all, which is unusual. But I'm not sure if that's
related to ofdrm or something else.

The machine does come up, I can login via SSH. Is there some way to
start X to exercise the driver from an SSH login?

cheers