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drm/nv04/disp: disable vblank interrupts when disabling display 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-11-22 13:59:30 +10:00
parent 695b95b810
commit afada5e0bb
2 changed files with 11 additions and 5 deletions
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5
drivers/gpu/drm/nouveau/nouveau_hw.c
View File

@ -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

11
drivers/gpu/drm/nouveau/nv04_display.c
View File

@ -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