Commit 01172772 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie

drm/nouveau: fix oops on runtime suspend/resume

if we have no crtcs we need to not call the display resume code.
Reported-by: default avatarTobias Klausmann <tobias.johannes.klausmann@mni.thm.de>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 48016851
......@@ -636,6 +636,7 @@ int nouveau_pmops_resume(struct device *dev)
nouveau_fbcon_set_suspend(drm_dev, 0);
nouveau_fbcon_zfill_all(drm_dev);
if (drm_dev->mode_config.num_crtc)
nouveau_display_resume(drm_dev);
nv_suspend_set_printk_level(NV_DBG_DEBUG);
return 0;
......@@ -671,6 +672,7 @@ 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);
if (drm_dev->mode_config.num_crtc)
nouveau_display_resume(drm_dev);
nv_suspend_set_printk_level(NV_DBG_DEBUG);
return 0;
......@@ -906,6 +908,7 @@ static int nouveau_pmops_runtime_resume(struct device *dev)
pci_set_master(pdev);
ret = nouveau_do_resume(drm_dev);
if (drm_dev->mode_config.num_crtc)
nouveau_display_resume(drm_dev);
drm_kms_helper_poll_enable(drm_dev);
/* do magic */
......
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