This is a note to let you know that I've just added the patch titled
drm/nouveau: set irq_enabled manually
to the 3.10-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-set-irq_enabled-manually.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 7d3428cd4b2ad51af86fdbdf8284ca38fa95e601 Mon Sep 17 00:00:00 2001
From: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
Date: Wed, 29 Jan 2014 19:53:00 -0500
Subject: drm/nouveau: set irq_enabled manually
From: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
commit 7d3428cd4b2ad51af86fdbdf8284ca38fa95e601 upstream.
Since commit 0fa9061ae8c ("drm/nouveau/mc: handle irq-related setup
ourselves"), drm_device->irq_enabled remained unset. This is needed in
order to properly wait for a vblank event in the generic drm code.
See https://bugs.freedesktop.org/show_bug.cgi?id=74195
Reported-by: Jan Janecek <janjanjanx@xxxxxxxxx>
Signed-off-by: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_drm.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -339,6 +339,8 @@ nouveau_drm_load(struct drm_device *dev,
if (ret)
goto fail_device;
+ dev->irq_enabled = true;
+
/* workaround an odd issue on nvc1 by disabling the device's
* nosnoop capability. hopefully won't cause issues until a
* better fix is found - assuming there is one...
@@ -426,6 +428,7 @@ nouveau_drm_remove(struct pci_dev *pdev)
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_object *device;
+ dev->irq_enabled = false;
device = drm->client.base.device;
drm_put_dev(dev);
Patches currently in stable-queue which might be from imirkin@xxxxxxxxxxxx are
queue-3.10/drm-nouveau-set-irq_enabled-manually.patch
queue-3.10/drm-nv50-disp-use-correct-register-to-determine-dp-display-bpp.patch
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