This is a note to let you know that I've just added the patch titled
drm/nouveau: fix suspend/resume when in headless mode
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-nouveau-fix-suspend-resume-when-in-headless-mode.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From [email protected] Fri Nov 2 09:58:07 2012
From: Ben Skeggs <[email protected]>
Date: Thu, 1 Nov 2012 16:16:31 +1000
Subject: drm/nouveau: fix suspend/resume when in headless mode
To: [email protected]
Cc: Ben Skeggs <[email protected]>
From: Ben Skeggs <[email protected]>
Backport of fixes from upstream commit:
9430738d80223a1cd791a2baa74fa170d3df1262
Signed-off-by: Ben Skeggs <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/nouveau/nouveau_drv.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -186,11 +186,13 @@ nouveau_pci_suspend(struct pci_dev *pdev
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) {
@@ -363,10 +365,12 @@ 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) {
Patches currently in stable-queue which might be from [email protected] are
queue-3.4/drm-nouveau-headless-mode-by-default-if-pci-class-vga-display.patch
queue-3.4/drm-nouveau-fix-suspend-resume-when-in-headless-mode.patch
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