diff options
Diffstat (limited to 'drivers')
-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) | |||
153 | struct drm_device *dev = nfbdev->dev; | 153 | struct drm_device *dev = nfbdev->dev; |
154 | struct drm_nouveau_private *dev_priv = dev->dev_private; | 154 | struct drm_nouveau_private *dev_priv = dev->dev_private; |
155 | struct nouveau_channel *chan = dev_priv->channel; | 155 | struct nouveau_channel *chan = dev_priv->channel; |
156 | int ret, i; | 156 | int ret; |
157 | 157 | ||
158 | if (!chan || !chan->accel_done || in_interrupt() || | 158 | if (!chan || !chan->accel_done || in_interrupt() || |
159 | info->state != FBINFO_STATE_RUNNING || | 159 | info->state != FBINFO_STATE_RUNNING || |
@@ -163,38 +163,8 @@ nouveau_fbcon_sync(struct fb_info *info) | |||
163 | if (!mutex_trylock(&chan->mutex)) | 163 | if (!mutex_trylock(&chan->mutex)) |
164 | return 0; | 164 | return 0; |
165 | 165 | ||
166 | ret = RING_SPACE(chan, 4); | 166 | ret = nouveau_channel_idle(chan); |
167 | if (ret) { | ||
168 | mutex_unlock(&chan->mutex); | ||
169 | nouveau_fbcon_gpu_lockup(info); | ||
170 | return 0; | ||
171 | } | ||
172 | |||
173 | if (dev_priv->card_type >= NV_C0) { | ||
174 | BEGIN_NVC0(chan, NvSub2D, 0x010c, 1); | ||
175 | OUT_RING (chan, 0); | ||
176 | BEGIN_NVC0(chan, NvSub2D, 0x0100, 1); | ||
177 | OUT_RING (chan, 0); | ||
178 | } else { | ||
179 | BEGIN_NV04(chan, 0, 0x0104, 1); | ||
180 | OUT_RING (chan, 0); | ||
181 | BEGIN_NV04(chan, 0, 0x0100, 1); | ||
182 | OUT_RING (chan, 0); | ||
183 | } | ||
184 | |||
185 | nouveau_bo_wr32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3, 0xffffffff); | ||
186 | FIRE_RING(chan); | ||
187 | mutex_unlock(&chan->mutex); | 167 | mutex_unlock(&chan->mutex); |
188 | |||
189 | ret = -EBUSY; | ||
190 | for (i = 0; i < 100000; i++) { | ||
191 | if (!nouveau_bo_rd32(chan->notifier_bo, chan->m2mf_ntfy/4 + 3)) { | ||
192 | ret = 0; | ||
193 | break; | ||
194 | } | ||
195 | DRM_UDELAY(1); | ||
196 | } | ||
197 | |||
198 | if (ret) { | 168 | if (ret) { |
199 | nouveau_fbcon_gpu_lockup(info); | 169 | nouveau_fbcon_gpu_lockup(info); |
200 | return 0; | 170 | return 0; |