[Intel-gfx] [PATCH] drm/i915: Wrap the preallocated BIOS framebuffer and preserve for KMS fbcon v4

[Chris Wilson]

On Wed, Nov 06, 2013 at 11:25:55AM -0800, Jesse Barnes wrote:
> Retrieve current framebuffer config info from the regs and create an fb
> object for the buffer the BIOS or boot loader left us.  This should
> allow for smooth transitions to userspace apps once we finish the
> initial configuration construction.
> 
> v2: check for non-native modes and adjust (Jesse)
>     fixup aperture and cmap frees (Imre)
>     use unlocked unref if init_bios fails (Jesse)
>     fix curly brace around DSPADDR check (Imre)
>     comment failure path for pin_and_fence (Imre)
> v3: fixup fixup of aperture frees (Chris)
> v4: update to current bits (locking & pin_and_fence hack) (Jesse)

The only thing that I noticed was that the bookkeeping for the fb/obj is
incorrect - which is presumably the hack mentioned above.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre