summaryrefslogtreecommitdiff
path: root/include/drm
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2010-12-22 20:57:02 +0300
committerJiri Kosina <jkosina@suse.cz>2010-12-22 20:57:02 +0300
commit4b7bd364700d9ac8372eff48832062b936d0793b (patch)
tree0dbf78c95456a0b02d07fcd473281f04a87e266d /include/drm
parentc0d8768af260e2cbb4bf659ae6094a262c86b085 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
downloadlinux-4b7bd364700d9ac8372eff48832062b936d0793b.tar.xz
Merge branch 'master' into for-next
Conflicts: MAINTAINERS arch/arm/mach-omap2/pm24xx.c drivers/scsi/bfa/bfa_fcpim.c Needed to update to apply fixes for which the old branch was too outdated.
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/i915_drm.h2
-rw-r--r--include/drm/nouveau_drm.h7
-rw-r--r--include/drm/ttm/ttm_bo_api.h4
-rw-r--r--include/drm/ttm/ttm_bo_driver.h79
4 files changed, 87 insertions, 5 deletions
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8c641bed9bbd..a2776e2807a4 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -287,6 +287,8 @@ typedef struct drm_i915_irq_wait {
#define I915_PARAM_HAS_EXECBUF2 9
#define I915_PARAM_HAS_BSD 10
#define I915_PARAM_HAS_BLT 11
+#define I915_PARAM_HAS_RELAXED_FENCING 12
+#define I915_PARAM_HAS_COHERENT_RINGS 13
typedef struct drm_i915_getparam {
int param;
diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h
index 01a714119506..bc5590b1a1ac 100644
--- a/include/drm/nouveau_drm.h
+++ b/include/drm/nouveau_drm.h
@@ -80,6 +80,7 @@ struct drm_nouveau_gpuobj_free {
#define NOUVEAU_GETPARAM_VM_VRAM_BASE 12
#define NOUVEAU_GETPARAM_GRAPH_UNITS 13
#define NOUVEAU_GETPARAM_PTIMER_TIME 14
+#define NOUVEAU_GETPARAM_HAS_BO_USAGE 15
struct drm_nouveau_getparam {
uint64_t param;
uint64_t value;
@@ -95,6 +96,12 @@ struct drm_nouveau_setparam {
#define NOUVEAU_GEM_DOMAIN_GART (1 << 2)
#define NOUVEAU_GEM_DOMAIN_MAPPABLE (1 << 3)
+#define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
+#define NOUVEAU_GEM_TILE_16BPP 0x00000001
+#define NOUVEAU_GEM_TILE_32BPP 0x00000002
+#define NOUVEAU_GEM_TILE_ZETA 0x00000004
+#define NOUVEAU_GEM_TILE_NONCONTIG 0x00000008
+
struct drm_nouveau_gem_info {
uint32_t handle;
uint32_t domain;
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 5afa5b52063e..beafc156a535 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -432,6 +432,10 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
* together with the @destroy function,
* enables driver-specific objects derived from a ttm_buffer_object.
* On successful return, the object kref and list_kref are set to 1.
+ * If a failure occurs, the function will call the @destroy function, or
+ * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
+ * illegal and will likely cause memory corruption.
+ *
* Returns
* -ENOMEM: Out of memory.
* -EINVAL: Invalid placement flags.
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index d01b4ddbdc56..8e0c848326b6 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -206,14 +206,84 @@ struct ttm_tt {
struct ttm_mem_type_manager;
struct ttm_mem_type_manager_func {
+ /**
+ * struct ttm_mem_type_manager member init
+ *
+ * @man: Pointer to a memory type manager.
+ * @p_size: Implementation dependent, but typically the size of the
+ * range to be managed in pages.
+ *
+ * Called to initialize a private range manager. The function is
+ * expected to initialize the man::priv member.
+ * Returns 0 on success, negative error code on failure.
+ */
int (*init)(struct ttm_mem_type_manager *man, unsigned long p_size);
+
+ /**
+ * struct ttm_mem_type_manager member takedown
+ *
+ * @man: Pointer to a memory type manager.
+ *
+ * Called to undo the setup done in init. All allocated resources
+ * should be freed.
+ */
int (*takedown)(struct ttm_mem_type_manager *man);
+
+ /**
+ * struct ttm_mem_type_manager member get_node
+ *
+ * @man: Pointer to a memory type manager.
+ * @bo: Pointer to the buffer object we're allocating space for.
+ * @placement: Placement details.
+ * @mem: Pointer to a struct ttm_mem_reg to be filled in.
+ *
+ * This function should allocate space in the memory type managed
+ * by @man. Placement details if
+ * applicable are given by @placement. If successful,
+ * @mem::mm_node should be set to a non-null value, and
+ * @mem::start should be set to a value identifying the beginning
+ * of the range allocated, and the function should return zero.
+ * If the memory region accomodate the buffer object, @mem::mm_node
+ * should be set to NULL, and the function should return 0.
+ * If a system error occured, preventing the request to be fulfilled,
+ * the function should return a negative error code.
+ *
+ * Note that @mem::mm_node will only be dereferenced by
+ * struct ttm_mem_type_manager functions and optionally by the driver,
+ * which has knowledge of the underlying type.
+ *
+ * This function may not be called from within atomic context, so
+ * an implementation can and must use either a mutex or a spinlock to
+ * protect any data structures managing the space.
+ */
int (*get_node)(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
struct ttm_mem_reg *mem);
+
+ /**
+ * struct ttm_mem_type_manager member put_node
+ *
+ * @man: Pointer to a memory type manager.
+ * @mem: Pointer to a struct ttm_mem_reg to be filled in.
+ *
+ * This function frees memory type resources previously allocated
+ * and that are identified by @mem::mm_node and @mem::start. May not
+ * be called from within atomic context.
+ */
void (*put_node)(struct ttm_mem_type_manager *man,
struct ttm_mem_reg *mem);
+
+ /**
+ * struct ttm_mem_type_manager member debug
+ *
+ * @man: Pointer to a memory type manager.
+ * @prefix: Prefix to be used in printout to identify the caller.
+ *
+ * This function is called to print out the state of the memory
+ * type manager to aid debugging of out-of-memory conditions.
+ * It may not be called from within atomic context.
+ */
void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
};
@@ -231,14 +301,13 @@ struct ttm_mem_type_manager {
uint64_t size;
uint32_t available_caching;
uint32_t default_caching;
+ const struct ttm_mem_type_manager_func *func;
+ void *priv;
/*
- * Protected by the bdev->lru_lock.
- * TODO: Consider one lru_lock per ttm_mem_type_manager.
- * Plays ill with list removal, though.
+ * Protected by the global->lru_lock.
*/
- const struct ttm_mem_type_manager_func *func;
- void *priv;
+
struct list_head lru;
};