diff options
| author | Dave Airlie <airlied@gmail.com> | 2013-09-09 07:30:56 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-09-10 12:38:53 +1000 |
| commit | 01172772c7c973debf5b4881fcb9463891ea97ec (patch) | |
| tree | 8ead82f4ea9a512130f49a13541c71b979f0e49c /drivers/gpu | |
| parent | 48016851c89fcb1e9ea4daa7ace142e95f7875fe (diff) | |
| download | blackbird-op-linux-01172772c7c973debf5b4881fcb9463891ea97ec.tar.gz blackbird-op-linux-01172772c7c973debf5b4881fcb9463891ea97ec.zip | |
drm/nouveau: fix oops on runtime suspend/resume
if we have no crtcs we need to not call the display resume code.
Reported-by: Tobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drm.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 8863644024b7..e893c5362402 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -636,7 +636,8 @@ int nouveau_pmops_resume(struct device *dev) nouveau_fbcon_set_suspend(drm_dev, 0); nouveau_fbcon_zfill_all(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); nv_suspend_set_printk_level(NV_DBG_DEBUG); return 0; } @@ -671,7 +672,8 @@ static int nouveau_pmops_thaw(struct device *dev) if (drm_dev->mode_config.num_crtc) nouveau_fbcon_set_suspend(drm_dev, 0); nouveau_fbcon_zfill_all(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); nv_suspend_set_printk_level(NV_DBG_DEBUG); return 0; } @@ -906,7 +908,8 @@ static int nouveau_pmops_runtime_resume(struct device *dev) pci_set_master(pdev); ret = nouveau_do_resume(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); drm_kms_helper_poll_enable(drm_dev); /* do magic */ nv_mask(device, 0x88488, (1 << 25), (1 << 25)); |
