Re: [BUG] simplefb not showing any output

On Sat, Sep 7, 2013 at 1:18 PM, David Herrmann [off-list ref] wrote:

On Sat, Sep 7, 2013 at 11:26 AM, Tom Gundersen [off-list ref] wrote:

quoted

On Fri, Sep 6, 2013 at 6:11 PM, Tom Gundersen [off-list ref] wrote:

quoted

The driver seems to load ok, but sadly it does not give any output. If
I boot via the gummiboot menu the screen remains black, and if I don't
enter the gummiboot menu the screen remains grey (it is a Mac).

My apologies, this was a config error (I somehow ended up with
FRAMEBUFFER_CONSOLE=m, which works fine with inteldrmfb, but obviously
not with any of the compiled in ones).

Good, I almost went crazy looking for an error. Does that mean
simplefb works for you?

Sorry about that! Yes, it now works.

I guess the x86-sysfb patch is still needed?

Yes, that is still needed.

Now I only wonder why the i915 issue showed up. Is it also solved with
a built-in fbcon?

Sadly, no, that problem persists.

A related question: is it expected that simplefb should be
significantly slower than efifb, or is that something worth looking
into? My boot with simplefb is roughly five seconds slower than with
efifb. Coincidentally, I notice the same (or similar slowdown) with
inteldrmfb when I see the oops (but not otherwise).

Cheers,

Tom