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authorStephen Rothwell <sfr@canb.auug.org.au>2009-01-16 14:39:37 +1100
committerStephen Rothwell <sfr@canb.auug.org.au>2009-01-16 14:39:37 +1100
commit580388600de0654f4daa98349d30688d069d4364 (patch)
tree9d2b5c241125b4e13fe2b441a705bebdee2b5e5f
parent2ab6898274ac98e491f7548570950c1ad757a1ae (diff)
parent3a03ac1a0223f779a3de313523408ddb099e5679 (diff)
Merge commit 'drm/drm-next'
-rw-r--r--drivers/gpu/drm/drm_irq.c18
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c8
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c6
3 files changed, 29 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 724e505873cf..477caa1b1e4b 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -267,7 +267,8 @@ EXPORT_SYMBOL(drm_irq_install);
*/
int drm_irq_uninstall(struct drm_device * dev)
{
- int irq_enabled;
+ unsigned long irqflags;
+ int irq_enabled, i;
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@@ -277,6 +278,16 @@ int drm_irq_uninstall(struct drm_device * dev)
dev->irq_enabled = 0;
mutex_unlock(&dev->struct_mutex);
+ /*
+ * Wake up any waiters so they don't hang.
+ */
+ spin_lock_irqsave(&dev->vbl_lock, irqflags);
+ for (i = 0; i < dev->num_crtcs; i++) {
+ DRM_WAKEUP(&dev->vbl_queue[i]);
+ dev->vblank_enabled[i] = 0;
+ }
+ spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
+
if (!irq_enabled)
return -EINVAL;
@@ -652,8 +663,9 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
vblwait->request.sequence, crtc);
dev->last_vblank_wait[crtc] = vblwait->request.sequence;
DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ,
- ((drm_vblank_count(dev, crtc)
- - vblwait->request.sequence) <= (1 << 23)));
+ (((drm_vblank_count(dev, crtc) -
+ vblwait->request.sequence) <= (1 << 23)) ||
+ !dev->irq_enabled));
if (ret != -EINTR) {
struct timeval now;
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 62a4bf7b49df..868f574363ad 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -177,6 +177,14 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ master_priv->sarea = drm_getsarea(dev);
+ if (master_priv->sarea) {
+ master_priv->sarea_priv = (drm_i915_sarea_t *)
+ ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset);
+ } else {
+ DRM_DEBUG("sarea not found assuming DRI2 userspace\n");
+ }
+
if (init->ring_size != 0) {
if (dev_priv->ring.ring_obj != NULL) {
i915_dma_cleanup(dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0cadafbef411..6290219de6c8 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -411,6 +411,12 @@ int i915_enable_vblank(struct drm_device *dev, int pipe)
{
drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
unsigned long irqflags;
+ int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
+ u32 pipeconf;
+
+ pipeconf = I915_READ(pipeconf_reg);
+ if (!(pipeconf & PIPEACONF_ENABLE))
+ return -EINVAL;
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
if (IS_I965G(dev))