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authorDave Airlie <airlied@panoply-rh.(none)>2008-03-05 10:37:02 +1000
committerDave Airlie <airlied@panoply-rh.(none)>2008-03-05 10:37:02 +1000
commit43891ff2d0176f013796b3c2a340b7d379d703ee (patch)
tree734cdcd6e6c36997f1db92d41b92e4557ebf13b1 /shared-core
parent81db48536c9d7bb23c448af6a6f1de81df755585 (diff)
parenta6a2f2c8c491617de702dc7d62bb55cbada4d42b (diff)
Merge remote branch 'origin/master' into modesetting-101
Conflicts: linux-core/drm_compat.c
Diffstat (limited to 'shared-core')
-rw-r--r--shared-core/drm.h21
-rw-r--r--shared-core/i915_dma.c13
-rw-r--r--shared-core/i915_irq.c7
3 files changed, 29 insertions, 12 deletions
diff --git a/shared-core/drm.h b/shared-core/drm.h
index cbe83fd1..303a84b6 100644
--- a/shared-core/drm.h
+++ b/shared-core/drm.h
@@ -645,8 +645,14 @@ struct drm_set_version {
#define DRM_FENCE_FLAG_EMIT 0x00000001
#define DRM_FENCE_FLAG_SHAREABLE 0x00000002
+/**
+ * On hardware with no interrupt events for operation completion,
+ * indicates that the kernel should sleep while waiting for any blocking
+ * operation to complete rather than spinning.
+ *
+ * Has no effect otherwise.
+ */
#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004
-#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
#define DRM_FENCE_FLAG_NO_USER 0x00000010
/* Reserved for driver use */
@@ -795,13 +801,12 @@ struct drm_fence_arg {
* with it as a result of this operation
*/
#define DRM_BO_HINT_DONT_FENCE 0x00000004
-/*
- * Sleep while waiting for the operation to complete.
- * Without this flag, the kernel will, instead, spin
- * until this operation has completed. I'm not sure
- * why you would ever want this, so please always
- * provide DRM_BO_HINT_WAIT_LAZY to any operation
- * which may block
+/**
+ * On hardware with no interrupt events for operation completion,
+ * indicates that the kernel should sleep while waiting for any blocking
+ * operation to complete rather than spinning.
+ *
+ * Has no effect otherwise.
*/
#define DRM_BO_HINT_WAIT_LAZY 0x00000008
/*
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 28835a04..13332d24 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -804,6 +804,7 @@ struct i915_relocatee_info {
unsigned page_offset;
struct drm_bo_kmap_obj kmap;
int is_iomem;
+ int idle;
};
struct drm_i915_validate_buffer {
@@ -859,6 +860,14 @@ int i915_apply_reloc(struct drm_file *file_priv, int num_buffers,
drm_bo_kunmap(&relocatee->kmap);
relocatee->data_page = NULL;
relocatee->offset = new_cmd_offset;
+
+ if (unlikely(!relocatee->idle)) {
+ ret = drm_bo_wait(relocatee->buf, 0, 0, 0);
+ if (ret)
+ return ret;
+ relocatee->idle = 1;
+ }
+
ret = drm_bo_kmap(relocatee->buf, new_cmd_offset >> PAGE_SHIFT,
1, &relocatee->kmap);
if (ret) {
@@ -1002,10 +1011,6 @@ static int i915_exec_reloc(struct drm_file *file_priv, drm_handle_t buf_handle,
}
mutex_lock (&relocatee.buf->mutex);
- ret = drm_bo_wait (relocatee.buf, 0, 0, FALSE);
- if (ret)
- goto out_err1;
-
while (reloc_user_ptr) {
ret = i915_process_relocs(file_priv, buf_handle, &reloc_user_ptr, &relocatee, buffers, buf_count);
if (ret) {
diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c
index dad6ef86..b9d137f4 100644
--- a/shared-core/i915_irq.c
+++ b/shared-core/i915_irq.c
@@ -415,6 +415,13 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int plane)
if (i915_in_vblank(dev, pipe))
count++;
#endif
+ /* count may be reset by other driver(e.g. 2D driver),
+ we have no way to know if it is wrapped or resetted
+ when count is zero. do a rough guess.
+ */
+ if (count == 0 && dev->last_vblank[pipe] < dev->max_vblank_count/2)
+ dev->last_vblank[pipe] = 0;
+
return count;
}