[PATCH 2/2] drm: i810/i830: kill BKL, mark as BROKEN_ON_SMP

[Dave Airlie]

On Thu, Sep 30, 2010 at 8:15 AM, Dave Airlie <airlied at redhat.com> wrote:
> On Wed, 2010-09-29 at 17:47 +0200, Arnd Bergmann wrote:
>> The i810 and i830 drivers are the only hardware drivers that
>> still use the BKL without anyone volunteering to fix them.
>
> The problem is the userspace interface is badly designed and ABI, so
> fixing these without the hw is messy, we know people have the hardware
> because it breaks they still give out, we don't know anyone who cares
> enough to fix it at this point in time.
>
>>
>> The hardware is rather old and typically used on non-SMP
>> systems. Mark them as BROKEN_ON_SMP and remove the BKL
>> now so that people can still use the driver once the BKL
>> is entirely gone.
>
> You cannot get an SMP system with i810 or i830 support hardware in it,
> however no distro ships UP kernels anymore they all ship SMP kernels
> that hotplug/patch the second CPU. So the thing is although technically
> these drivers are broken on SMP, they won't ever get run in SMP mode on
> a combined UP/SMP kernel, and I'm not really sure BROKEN_ON_SMP takes
> care of this.

Okay so you can get a hyper-threaded 845 I've been informed, suck. But
anyways anyone using those GPUs is most likely running the i915
driver. i810 is the only one I really care about as it has no equiv.

Dave.