[git pull] drm tree for 4.2

[Linus Torvalds]

On Thu, Jun 25, 2015 at 6:00 PM, Dave Airlie <airlied at linux.ie> wrote:
>
> This is the main drm pull request for v4.2.

It seems to work ok for me, but it causes quite a few new warnings on
my Sony VAIO Pro laptop. It's (once more) a regular i5-4200U CPU (aka
Haswell, aka 4th gen Intel Core i5)

Most of them are in check_crtc_state(), and I currently have 18 of
these in my log:

  [drm:check_crtc_state [i915]] *ERROR* mismatch in
dpll_hw_state.wrpll (expected 0x90280202, found 0x00000000)
  WARNING: CPU: 0 PID: 115 at
drivers/gpu/drm/i915/intel_display.c:12319
check_crtc_state+0x8be/0xf60 [i915]()
  pipe state doesn't match!

but there's a few others too:

  WARNING: CPU: 3 PID: 1871 at
drivers/gpu/drm/i915/intel_display.c:1362 hsw_disable_ips+0x34/0x160
[i915]()
  plane A assertion failure (expected on, current off)

  WARNING: CPU: 3 PID: 1871 at drivers/gpu/drm/drm_irq.c:1162
drm_wait_one_vblank+0x148/0x1a0 [drm]()
  vblank not available on crtc 0, ret=-22

and the backtraces aren't all that interesting, but I'm attaching the
cleaned-up dmesg, duplicate callchains and all.

                 Linus
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