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authorBen Skeggs <bskeggs@redhat.com>2011-11-22 13:59:30 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:32:01 +1000
commitafada5e0bb3cac8530c2ae36aa0abca41d60e063 (patch)
tree32c87d14179a21c5fbec15ae1c1e30b724d1c9ac
parent695b95b810d1c3024d7bad9e3658a35e11a60d86 (diff)
drm/nv04/disp: disable vblank interrupts when disabling display
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hw.c5
-rw-r--r--drivers/gpu/drm/nouveau/nv04_display.c11
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c
index ba896e54b799..b87ad3bd7739 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hw.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.c
@@ -1018,11 +1018,6 @@ nv_load_state_ext(struct drm_device *dev, int head,
}
NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start);
-
- /* Enable vblank interrupts. */
- NVWriteCRTC(dev, head, NV_PCRTC_INTR_EN_0,
- (dev->vblank_enabled[head] ? 1 : 0));
- NVWriteCRTC(dev, head, NV_PCRTC_INTR_0, NV_PCRTC_INTR_0_VBLANK);
}
static void
diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c
index 7047d37e8dab..44488e3a257d 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.c
+++ b/drivers/gpu/drm/nouveau/nv04_display.c
@@ -98,6 +98,13 @@ nv04_display_early_init(struct drm_device *dev)
NVSetOwner(dev, 0);
}
+ /* ensure vblank interrupts are off, they can't be enabled until
+ * drm_vblank has been initialised
+ */
+ NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
+ if (nv_two_heads(dev))
+ NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
+
return 0;
}
@@ -246,6 +253,10 @@ nv04_display_init(struct drm_device *dev)
void
nv04_display_fini(struct drm_device *dev)
{
+ /* disable vblank interrupts */
+ NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
+ if (nv_two_heads(dev))
+ NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
}
static void