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-rw-r--r--linux-core/drmP.h4
-rw-r--r--linux-core/i915_gem.c115
2 files changed, 100 insertions, 19 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index 12e093e3..21a4dcd0 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -90,6 +90,10 @@
struct drm_device;
struct drm_file;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
+typedef unsigned long uintptr_t;
+#endif
+
/* If you want the memory alloc debug functionality, change define below */
/* #define DEBUG_MEMORY */
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c
index 8a30d846..95f6a267 100644
--- a/linux-core/i915_gem.c
+++ b/linux-core/i915_gem.c
@@ -79,18 +79,24 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ DRM_INFO ("%s:%d %p\n", __FUNCTION__, __LINE__, obj);
+ DRM_INFO ("gtt_space %p\n", obj_priv->gtt_space);
if (obj_priv->gtt_space == NULL)
return;
+ DRM_INFO ("agp_mem %p %ld pages\n", obj_priv->agp_mem, obj->size / PAGE_SIZE);
if (obj_priv->agp_mem != NULL) {
drm_unbind_agp(obj_priv->agp_mem);
drm_free_agp(obj_priv->agp_mem, obj->size / PAGE_SIZE);
}
+ DRM_INFO ("free_page_list\n");
i915_gem_object_free_page_list(obj);
+ DRM_INFO ("put_block\n");
drm_memrange_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
+ DRM_INFO ("done\n");
}
/**
@@ -259,9 +265,18 @@ i915_gem_reloc_and_validate_object(struct drm_gem_object *obj,
static int
evict_callback(struct drm_memrange_node *node, void *data)
{
- struct drm_gem_object *obj = node->private;
- struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ struct drm_gem_object *obj;
+ struct drm_i915_gem_object *obj_priv;
+
+ DRM_INFO ("evict node %p\n", node);
+
+ obj = node->private;
+ DRM_INFO ("evict obj %p\n", obj);
+
+ obj_priv = obj->driver_private;
+ DRM_INFO ("evict priv %p\n", obj_priv);
+ DRM_INFO ("pin_count %d\n", obj_priv->pin_count);
if (obj_priv->pin_count == 0)
i915_gem_object_unbind(obj);
@@ -289,6 +304,58 @@ i915_gem_sync_and_evict(struct drm_device *dev)
return 0;
}
+static int
+i915_dispatch_gem_execbuffer (struct drm_device * dev,
+ struct drm_i915_gem_execbuffer * exec)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_clip_rect __user *boxes = (struct drm_clip_rect __user *) (uintptr_t) exec->cliprects_ptr;
+ int nbox = exec->num_cliprects;
+ int i = 0, count;
+ RING_LOCALS;
+
+ if ((exec->batch_start_offset | exec->batch_len) & 0x7) {
+ DRM_ERROR("alignment\n");
+ return -EINVAL;
+ }
+
+ i915_kernel_lost_context(dev);
+
+ count = nbox ? nbox : 1;
+
+ for (i = 0; i < count; i++) {
+ if (i < nbox) {
+ int ret = i915_emit_box(dev, boxes, i,
+ exec->DR1, exec->DR4);
+ if (ret)
+ return ret;
+ }
+
+ if (dev_priv->use_mi_batchbuffer_start) {
+ BEGIN_LP_RING(2);
+ if (IS_I965G(dev)) {
+ OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965);
+ OUT_RING(exec->batch_start_offset);
+ } else {
+ OUT_RING(MI_BATCH_BUFFER_START | (2 << 6));
+ OUT_RING(exec->batch_start_offset | MI_BATCH_NON_SECURE);
+ }
+ ADVANCE_LP_RING();
+
+ } else {
+ BEGIN_LP_RING(4);
+ OUT_RING(MI_BATCH_BUFFER);
+ OUT_RING(exec->batch_start_offset | MI_BATCH_NON_SECURE);
+ OUT_RING(exec->batch_start_offset + exec->batch_len - 4);
+ OUT_RING(0);
+ ADVANCE_LP_RING();
+ }
+ }
+
+ /* XXX breadcrumb */
+ return 0;
+}
+
int
i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -300,39 +367,45 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
LOCK_TEST_WITH_RETURN(dev, file_priv);
+ DRM_INFO ("buffers_ptr %d buffer_count %d\n",
+ (int) args->buffers_ptr, args->buffer_count);
i915_kernel_lost_context(dev);
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
/* Big hammer: flush and idle the hardware so we can map things in/out.
*/
ret = i915_gem_sync_and_evict(dev);
- if (ret != 0)
+ if (ret != 0) {
+ DRM_ERROR ("i915_gem_sync_and_evict failed %d\n", ret);
return ret;
+ }
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
/* Copy in the validate list from userland */
validate_list = drm_calloc(sizeof(*validate_list), args->buffer_count,
DRM_MEM_DRIVER);
object_list = drm_calloc(sizeof(*object_list), args->buffer_count,
DRM_MEM_DRIVER);
if (validate_list == NULL || object_list == NULL) {
+ DRM_ERROR ("Failed to allocate validate or object list for %d buffers\n",
+ args->buffer_count);
ret = -ENOMEM;
goto err;
}
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
ret = copy_from_user(validate_list,
(struct drm_i915_relocation_entry __user*)(uintptr_t)
args->buffers_ptr,
sizeof(*validate_list) * args->buffer_count);
- if (ret != 0)
+ if (ret != 0) {
+ DRM_ERROR ("copy %d validate entries failed %d\n", args->buffer_count, ret);
goto err;
+ }
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
/* Look up object handles and perform the relocations */
for (i = 0; i < args->buffer_count; i++) {
object_list[i] = drm_gem_object_lookup(dev, file_priv,
validate_list[i].buffer_handle);
if (object_list[i] == NULL) {
+ DRM_ERROR ("Invalid object handle %d at index %d\n",
+ validate_list[i].buffer_handle, i);
ret = -EINVAL;
goto err;
}
@@ -342,8 +415,13 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
}
/* Exec the batchbuffer */
+ ret = i915_dispatch_gem_execbuffer (dev, args);
+ if (ret)
+ {
+ DRM_ERROR ("dispatch failed %d\n", ret);
+ goto err;
+ }
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
/* Copy the new buffer offsets back to the user's validate list. */
for (i = 0; i < args->buffer_count; i++) {
struct drm_i915_gem_object *obj_priv =
@@ -351,29 +429,28 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
validate_list[i].buffer_offset = obj_priv->gtt_offset;
}
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
- ret = copy_to_user(validate_list,
- (struct drm_i915_relocation_entry __user*)(uintptr_t)
- args->buffers_ptr,
- sizeof(*validate_list) * args->buffer_count);
+ ret = copy_to_user((struct drm_i915_relocation_entry __user*)(uintptr_t)
+ args->buffers_ptr,
+ validate_list,
+ sizeof(*validate_list) * args->buffer_count);
+ if (ret)
+ DRM_ERROR ("failed to copy %d validate entries back to user (%d)\n",
+ args->buffer_count, ret);
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
/* Clean up and return */
ret = i915_gem_sync_and_evict(dev);
-
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
+ if (ret)
+ DRM_ERROR ("failed to sync/evict buffers %d\n", ret);
err:
if (object_list != NULL) {
for (i = 0; i < args->buffer_count; i++)
drm_gem_object_unreference(object_list[i]);
}
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
drm_free(object_list, sizeof(*object_list) * args->buffer_count,
DRM_MEM_DRIVER);
drm_free(validate_list, sizeof(*validate_list) * args->buffer_count,
DRM_MEM_DRIVER);
- DRM_INFO ("%s:%d\n", __FUNCTION__, __LINE__);
return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 19:32:08 +0000