diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2012-05-04 14:01:28 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-05-24 16:56:15 +1000 |
| commit | 78df3a1c585c8c95fd9a472125f0cd406e8617ce (patch) | |
| tree | c512603e4442acbdb65896168da41140ca2cb479 /drivers/gpu/drm | |
| parent | b355096992e2b4d30bb77173927f45e7f2c12570 (diff) | |
drm/nouveau/fbcon: use fence for sync, rather than notifier
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fbcon.c | 34 |
1 files changed, 2 insertions, 32 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index bce2e73b9ebd..153b9a15469b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -153,7 +153,7 @@ nouveau_fbcon_sync(struct fb_info *info) struct drm_device *dev = nfbdev->dev; struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_channel *chan = dev_priv->channel; - int ret, i; + int ret; if (!chan || !chan->accel_done || in_interrupt() || info->state != FBINFO_STATE_RUNNING || @@ -163,38 +163,8 @@ nouveau_fbcon_sync(struct fb_info *info) if (!mutex_trylock(&chan->mutex)) return 0; - ret = RING_SPACE(chan, 4); - if (ret) { - mutex_unlock(&chan->mutex); - nouveau_fbcon_gpu_lockup(info); - return 0; - } - - if (dev_priv->card_type >= NV_C0) { - BEGIN_NVC0(chan, NvSub2D, 0x010c, 1); - OUT_RING (chan, 0); - BEGIN_NVC0(chan, NvSub2D, 0x0100, 1); - OUT_RING (chan, 0); - } else { - BEGIN_NV04(chan, 0, 0x0104, 1); - OUT_RING (chan, 0); - BEGIN_NV04(chan, 0, 0x0100, 1); - OUT_RING (chan, 0); - } - - nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3, 0xffffffff); - FIRE_RING(chan); + ret = nouveau_channel_idle(chan); mutex_unlock(&chan->mutex); - - ret = -EBUSY; - for (i = 0; i < 100000; i++) { - if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3)) { - ret = 0; - break; - } - DRM_UDELAY(1); - } - if (ret) { nouveau_fbcon_gpu_lockup(info); return 0; |