[Intel-gfx] [git pull] drm for 4.3

[Jesse Barnes]

Cc'ing Maarten and Matt; I'm guessing this may be related to one of
their recent patches.

Jesse

On 09/21/2015 11:48 AM, Dave Jones wrote:
> On Mon, Sep 07, 2015 at 02:45:59PM -0400, Dave Jones wrote:
>  > On Fri, Sep 04, 2015 at 11:40:53PM +0100, Dave Airlie wrote:
>  >  > 
>  >  > Hi Linus,
>  >  > 
>  >  > This is the main pull request for the drm for 4.3. Nouveau is probably the biggest
>  >  > amount of changes in here, since it missed 4.2. Highlights below, along with the usual
>  >  > bunch of fixes. There are a few minor conflicts with your tree but nothing 
>  >  > you can't handle. All stuff outside drm should have applicable acks.
>  >  > 
>  >  > Highlights:
>  >  > 
>  >  > ...
>  >  > i915:
>  >  > 	Skylake support enabled by default
>  >  > 	legacy modesetting using atomic infrastructure
>  >  > 	Skylake fixes
>  >  > 	GEN9 workarounds
>  > 
>  > Since this merge, I'm seeing this twice during boot..
> 
> And still there in -rc2.  Several other people reported this too,
> and they also got no reponse.
> 
> I'll start bisecting when I get home tonight. It shouldn't be too hard,
> as 4.2 was fine.
> 
> 	Dave
> 
>  > ------------[ cut here ]------------
>  > WARNING: CPU: 0 PID: 6 at drivers/gpu/drm/i915/intel_display.c:1377 assert_planes_disabled+0xdf/0x140()
>  > plane A assertion failure, should be disabled but not
>  > CPU: 0 PID: 6 Comm: kworker/u8:0 Not tainted 4.2.0-think+ #9
>  > Workqueue: events_unbound async_run_entry_fn
>  >  0000000000000561 ffff88050392b6f8 ffffffff8d7dccce ffff88050392b740
>  >  ffff88050392b730 ffffffff8d079ee2 ffff880500a60000 0000000000000000
>  >  0000000000000000 0000000000000000 ffff8805008e99c8 ffff88050392b790
>  > Call Trace:
>  >  [<ffffffff8d7dccce>] dump_stack+0x4e/0x79
>  >  [<ffffffff8d079ee2>] warn_slowpath_common+0x82/0xc0
>  >  [<ffffffff8d079f6c>] warn_slowpath_fmt+0x4c/0x50
>  >  [<ffffffff8d4ee6ff>] assert_planes_disabled+0xdf/0x140
>  >  [<ffffffff8d4f7b5b>] intel_disable_pipe+0x4b/0x2c0
>  >  [<ffffffff8d4f7e5a>] haswell_crtc_disable+0x8a/0x2e0
>  >  [<ffffffff8d500e7f>] intel_atomic_commit+0xff/0x1320
>  >  [<ffffffff8d4885be>] ? drm_atomic_check_only+0x21e/0x550
>  >  [<ffffffff8d488927>] drm_atomic_commit+0x37/0x60
>  >  [<ffffffff8d463c95>] drm_atomic_helper_set_config+0x1c5/0x430
>  >  [<ffffffff8d477c95>] drm_mode_set_config_internal+0x65/0x110
>  >  [<ffffffff8d4666fe>] restore_fbdev_mode+0xbe/0xe0
>  >  [<ffffffff8d468565>] drm_fb_helper_restore_fbdev_mode_unlocked+0x25/0x70
>  >  [<ffffffff8d4685dd>] drm_fb_helper_set_par+0x2d/0x50
>  >  [<ffffffff8d517a1a>] intel_fbdev_set_par+0x1a/0x60
>  >  [<ffffffff8d3aeb45>] fbcon_init+0x545/0x5d0
>  >  [<ffffffff8d42d68a>] visual_init+0xca/0x130
>  >  [<ffffffff8d42f495>] do_bind_con_driver+0x1c5/0x3b0
>  >  [<ffffffff8d42f9b9>] do_take_over_console+0x149/0x1a0
>  >  [<ffffffff8d3aa9e7>] do_fbcon_takeover+0x57/0xb0
>  >  [<ffffffff8d3af5ec>] fbcon_event_notify+0x66c/0x760
>  >  [<ffffffff8d09e06e>] notifier_call_chain+0x3e/0xb0
>  >  [<ffffffff8d09e26d>] __blocking_notifier_call_chain+0x4d/0x70
>  >  [<ffffffff8d09e2a6>] blocking_notifier_call_chain+0x16/0x20
>  >  [<ffffffff8d3b4d8b>] fb_notifier_call_chain+0x1b/0x20
>  >  [<ffffffff8d3b7097>] register_framebuffer+0x1e7/0x300
>  >  [<ffffffff8d468852>] drm_fb_helper_initial_config+0x252/0x3e0
>  >  [<ffffffff8d5184cb>] intel_fbdev_initial_config+0x1b/0x20
>  >  [<ffffffff8d0a02fa>] async_run_entry_fn+0x4a/0x140
>  >  [<ffffffff8d09645d>] process_one_work+0x1fd/0x670
>  >  [<ffffffff8d0963cc>] ? process_one_work+0x16c/0x670
>  >  [<ffffffff8d09691e>] worker_thread+0x4e/0x450
>  >  [<ffffffff8d0968d0>] ? process_one_work+0x670/0x670
>  >  [<ffffffff8d09ccc1>] kthread+0x101/0x120
>  >  [<ffffffff8d09cbc0>] ? kthread_create_on_node+0x250/0x250
>  >  [<ffffffff8d7e764f>] ret_from_fork+0x3f/0x70
>  >  [<ffffffff8d09cbc0>] ? kthread_create_on_node+0x250/0x250
>  > ---[ end trace 54cab2e0c772d5d9 ]---
>  > 
>  > 
>  > 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v3 Processor Integrated Graphics Controller (rev 06)
> 
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