On 08/12/2015 06:56 PM, Eric Anholt wrote: > This is the start of a full VC4 driver. Right now this just supports > configuring the display using a pre-existing video mode (because > changing the pixel clock isn't available yet, and doesn't work when it > is). However, this is enough for fbcon and bringing up X using > xf86-video-modesetting.
> diff --git a/drivers/gpu/drm/vc4/Kconfig b/drivers/gpu/drm/vc4/Kconfig > +config DRM_VC4 > + tristate "Broadcom VC4 Graphics" > + help > + Choose this option if you have a system that has a Broadcom > + VC4 GPU, such as the Raspberry Pi or other BCM2708/BCM2835. > + > + This driver requires that "avoid_warnings=2" be present in > + the config.txt for the firmware, to keep it from smashing > + our display setup. The need for "avoid_warnings=2" seems like it will trip people up. I don't think it's in any config.txt I've seen. Can you expand more on that? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
