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| author | Ben Skeggs <bskeggs@redhat.com> | 2012-11-01 16:16:31 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-05 09:56:52 +0100 |
| commit | 83dc21544384ae8db01cc1c1a159ae6594444534 (patch) | |
| tree | 999cc1a8ef60a53fb46c9f46071fe8e7fae7e42e | |
| parent | 783250d700a2ab8d12040dec188b291328e13225 (diff) | |
| download | lwn-83dc21544384ae8db01cc1c1a159ae6594444534.tar.gz lwn-83dc21544384ae8db01cc1c1a159ae6594444534.zip | |
drm/nouveau: fix suspend/resume when in headless mode
Backport of fixes from upstream commit:
9430738d80223a1cd791a2baa74fa170d3df1262
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 9a36f5f39b06..1fcc69a77f64 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -188,11 +188,13 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state) if (dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; - NV_INFO(dev, "Disabling display...\n"); - nouveau_display_fini(dev); + if (dev->mode_config.num_crtc) { + NV_INFO(dev, "Disabling display...\n"); + nouveau_display_fini(dev); - NV_INFO(dev, "Disabling fbcon...\n"); - nouveau_fbcon_set_suspend(dev, 1); + NV_INFO(dev, "Disabling fbcon...\n"); + nouveau_fbcon_set_suspend(dev, 1); + } NV_INFO(dev, "Unpinning framebuffer(s)...\n"); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { @@ -359,10 +361,12 @@ nouveau_pci_resume(struct pci_dev *pdev) NV_ERROR(dev, "Could not pin/map cursor.\n"); } - nouveau_fbcon_set_suspend(dev, 0); - nouveau_fbcon_zfill_all(dev); + if (dev->mode_config.num_crtc) { + nouveau_fbcon_set_suspend(dev, 0); + nouveau_fbcon_zfill_all(dev); - nouveau_display_init(dev); + nouveau_display_init(dev); + } /* Force CLUT to get re-loaded during modeset */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |