recent kernel broke suspend

[Neal Becker]

I'm getting unreliable suspend.  This seems to be the problem:

Mar 14 05:39:58 nbecker1 kernel: [140688.356449] nouveau  [     DRM] suspending 
fbcon...
Mar 14 05:39:58 nbecker1 kernel: [140688.356459] nouveau  [     DRM] suspending 
display...
Mar 14 05:39:58 nbecker1 kernel: [140688.356473] nouveau  [     DRM] unpinning 
framebuffer(s)...
Mar 14 05:39:58 nbecker1 kernel: [140688.356532] nouveau  [     DRM] evicting 
buffers...
Mar 14 05:39:58 nbecker1 kernel: [140688.359764] nouveau  [     DRM] suspending 
client object trees...
Mar 14 05:39:58 nbecker1 kernel: [140690.360776] nouveau E[   PDISP]
[0000:01:00.0][0xc000827c][ffff88013541ea80] fini timeout, 0x8e061008
Mar 14 05:39:58 nbecker1 kernel: [140690.360778] nouveau E[   PDISP]
[0000:01:00.0][0xc000827c][ffff88013541ea80] failed suspend, -16
Mar 14 05:39:58 nbecker1 kernel: [140690.360780] nouveau E[     DRM] 
0xd1500000:0xd15c7c01 suspend failed with -16
Mar 14 05:39:58 nbecker1 kernel: [140690.360831] nouveau E[     DRM] 
0xdddddddd:0xd1500000 suspend failed with -16
Mar 14 05:39:58 nbecker1 kernel: [140690.360866] nouveau E[     DRM] 
0xffffffff:0xdddddddd suspend failed with -16
Mar 14 05:39:58 nbecker1 kernel: [140690.361738] nouveau E[     DRM] 
0xffffffff:0xffffffff suspend failed with -16
Mar 14 05:39:58 nbecker1 kernel: [140690.362347] nouveau  [     DRM] resuming 
display...
Mar 14 05:39:58 nbecker1 kernel: [140690.376607] nouveau E[   PDISP]
[0000:01:00.0] chid 0 mthd 0x0080 data 0x00000000 0x10055080
Mar 14 05:39:58 nbecker1 kernel: [140692.376637] nouveau E[   PDISP]
[0000:01:00.0] chid 0 mthd 0x0080 data 0x00000000 0x10055080
Mar 14 05:39:58 nbecker1 kernel: [140692.614708] nouveau E[   PDISP]
[0000:01:00.0] chid 0 mthd 0x0080 data 0x00000000 0x10055080
Mar 14 05:39:58 nbecker1 kernel: [140692.614734] nouveau E[   PDISP]
[0000:01:00.0] chid 0 mthd 0x0080 data 0x00000000 0x10055080
Mar 14 05:39:58 nbecker1 kernel: [140695.607810] pci_pm_suspend(): 
nouveau_pmops_suspend+0x0/0x80 [nouveau] returns -16
Mar 14 05:39:58 nbecker1 kernel: [140695.607819] dpm_run_callback(): 
pci_pm_suspend+0x0/0x140 returns -16
Mar 14 05:39:58 nbecker1 kernel: [140695.607829] PM: Device 0000:01:00.0 failed 
to suspend async: error -16
Mar 14 05:39:58 nbecker1 kernel: [140695.607902] PM: Some devices failed to 
suspend