From 78df3a1c585c8c95fd9a472125f0cd406e8617ce Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 4 May 2012 14:01:28 +1000 Subject: [PATCH] drm/nouveau/fbcon: use fence for sync, rather than notifier Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 34 ++----------------------- 1 file 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; -- 2.20.1