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authorJani Nikula <jani.nikula@intel.com>2017-09-28 15:56:49 +0300
committerJani Nikula <jani.nikula@intel.com>2017-09-28 15:56:49 +0300
commit32f35b863451884e856f0f577474740561a87fad (patch)
tree2d1d55c7e2d23e27197bf84246c5f23070eb0fce /include/drm
parentae7617f0ef1820be033eef93859a6bb6174a843f (diff)
parent754270c7c56292e97d0eff924a5d5d83f92add07 (diff)
downloadlinux-32f35b863451884e856f0f577474740561a87fad.tar.xz
Merge drm-upstream/drm-next into drm-intel-next-queued
Need MST sideband message transaction to power up/down nodes. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_atomic.h94
-rw-r--r--include/drm/drm_bridge.h2
-rw-r--r--include/drm/drm_connector.h10
-rw-r--r--include/drm/drm_crtc.h31
-rw-r--r--include/drm/drm_dp_helper.h17
-rw-r--r--include/drm/drm_dp_mst_helper.h2
-rw-r--r--include/drm/drm_edid.h2
-rw-r--r--include/drm/drm_gem_framebuffer_helper.h2
-rw-r--r--include/drm/drm_mm.h2
-rw-r--r--include/drm/drm_modeset_helper_vtables.h2
-rw-r--r--include/drm/drm_modeset_lock.h12
-rw-r--r--include/drm/drm_plane.h16
-rw-r--r--include/drm/ttm/ttm_debug.h31
-rw-r--r--include/drm/ttm/ttm_page_alloc.h33
14 files changed, 151 insertions, 105 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 8a5808eb5628..5834580d75bc 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -144,7 +144,6 @@ struct __drm_planes_state {
struct __drm_crtcs_state {
struct drm_crtc *ptr;
struct drm_crtc_state *state, *old_state, *new_state;
- struct drm_crtc_commit *commit;
s32 __user *out_fence_ptr;
unsigned last_vblank_count;
};
@@ -237,6 +236,18 @@ struct drm_atomic_state {
struct drm_modeset_acquire_ctx *acquire_ctx;
/**
+ * @fake_commit:
+ *
+ * Used for signaling unbound planes/connectors.
+ * When a connector or plane is not bound to any CRTC, it's still important
+ * to preserve linearity to prevent the atomic states from being freed to early.
+ *
+ * This commit (if set) is not bound to any crtc, but will be completed when
+ * drm_atomic_helper_commit_hw_done() is called.
+ */
+ struct drm_crtc_commit *fake_commit;
+
+ /**
* @commit_work:
*
* Work item which can be used by the driver or helpers to execute the
@@ -252,10 +263,14 @@ void __drm_crtc_commit_free(struct kref *kref);
* @commit: CRTC commit
*
* Increases the reference of @commit.
+ *
+ * Returns:
+ * The pointer to @commit, with reference increased.
*/
-static inline void drm_crtc_commit_get(struct drm_crtc_commit *commit)
+static inline struct drm_crtc_commit *drm_crtc_commit_get(struct drm_crtc_commit *commit)
{
kref_get(&commit->ref);
+ return commit;
}
/**
@@ -555,31 +570,6 @@ int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state);
void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
/**
- * for_each_connector_in_state - iterate over all connectors in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @connector: &struct drm_connector iteration cursor
- * @connector_state: &struct drm_connector_state iteration cursor
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all connectors in an atomic update. Note that before the
- * software state is committed (by calling drm_atomic_helper_swap_state(), this
- * points to the new state, while afterwards it points to the old state. Due to
- * this tricky confusion this macro is deprecated.
- *
- * FIXME:
- *
- * Replace all usage of this with one of the explicit iterators below and then
- * remove this macro.
- */
-#define for_each_connector_in_state(__state, connector, connector_state, __i) \
- for ((__i) = 0; \
- (__i) < (__state)->num_connector && \
- ((connector) = (__state)->connectors[__i].ptr, \
- (connector_state) = (__state)->connectors[__i].state, 1); \
- (__i)++) \
- for_each_if (connector)
-
-/**
* for_each_oldnew_connector_in_state - iterate over all connectors in an atomic update
* @__state: &struct drm_atomic_state pointer
* @connector: &struct drm_connector iteration cursor
@@ -643,31 +633,6 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
for_each_if (connector)
/**
- * for_each_crtc_in_state - iterate over all connectors in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @crtc: &struct drm_crtc iteration cursor
- * @crtc_state: &struct drm_crtc_state iteration cursor
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all CRTCs in an atomic update. Note that before the
- * software state is committed (by calling drm_atomic_helper_swap_state(), this
- * points to the new state, while afterwards it points to the old state. Due to
- * this tricky confusion this macro is deprecated.
- *
- * FIXME:
- *
- * Replace all usage of this with one of the explicit iterators below and then
- * remove this macro.
- */
-#define for_each_crtc_in_state(__state, crtc, crtc_state, __i) \
- for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_crtc && \
- ((crtc) = (__state)->crtcs[__i].ptr, \
- (crtc_state) = (__state)->crtcs[__i].state, 1); \
- (__i)++) \
- for_each_if (crtc_state)
-
-/**
* for_each_oldnew_crtc_in_state - iterate over all CRTCs in an atomic update
* @__state: &struct drm_atomic_state pointer
* @crtc: &struct drm_crtc iteration cursor
@@ -727,31 +692,6 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
for_each_if (crtc)
/**
- * for_each_plane_in_state - iterate over all planes in an atomic update
- * @__state: &struct drm_atomic_state pointer
- * @plane: &struct drm_plane iteration cursor
- * @plane_state: &struct drm_plane_state iteration cursor
- * @__i: int iteration cursor, for macro-internal use
- *
- * This iterates over all planes in an atomic update. Note that before the
- * software state is committed (by calling drm_atomic_helper_swap_state(), this
- * points to the new state, while afterwards it points to the old state. Due to
- * this tricky confusion this macro is deprecated.
- *
- * FIXME:
- *
- * Replace all usage of this with one of the explicit iterators below and then
- * remove this macro.
- */
-#define for_each_plane_in_state(__state, plane, plane_state, __i) \
- for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_total_plane && \
- ((plane) = (__state)->planes[__i].ptr, \
- (plane_state) = (__state)->planes[__i].state, 1); \
- (__i)++) \
- for_each_if (plane_state)
-
-/**
* for_each_oldnew_plane_in_state - iterate over all planes in an atomic update
* @__state: &struct drm_atomic_state pointer
* @plane: &struct drm_plane iteration cursor
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 6522d4cbc9d9..682d01ba920c 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -245,7 +245,7 @@ struct drm_bridge {
void *driver_private;
};
-int drm_bridge_add(struct drm_bridge *bridge);
+void drm_bridge_add(struct drm_bridge *bridge);
void drm_bridge_remove(struct drm_bridge *bridge);
struct drm_bridge *of_drm_find_bridge(struct device_node *np);
int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index ea8da401c93c..b34904dc8b9b 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -347,6 +347,13 @@ struct drm_connector_state {
struct drm_atomic_state *state;
+ /**
+ * @commit: Tracks the pending commit to prevent use-after-free conditions.
+ *
+ * Is only set when @crtc is NULL.
+ */
+ struct drm_crtc_commit *commit;
+
struct drm_tv_connector_state tv;
/**
@@ -888,8 +895,7 @@ struct drm_connector {
* This is protected by @drm_mode_config.connection_mutex. Note that
* nonblocking atomic commits access the current connector state without
* taking locks. Either by going through the &struct drm_atomic_state
- * pointers, see for_each_connector_in_state(),
- * for_each_oldnew_connector_in_state(),
+ * pointers, see for_each_oldnew_connector_in_state(),
* for_each_old_connector_in_state() and
* for_each_new_connector_in_state(). Or through careful ordering of
* atomic commit operations as implemented in the atomic helpers, see
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1a642020e306..80c97210eda5 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -253,6 +253,15 @@ struct drm_crtc_state {
*/
struct drm_pending_vblank_event *event;
+ /**
+ * @commit:
+ *
+ * This tracks how the commit for this update proceeds through the
+ * various phases. This is never cleared, except when we destroy the
+ * state, so that subsequent commits can synchronize with previous ones.
+ */
+ struct drm_crtc_commit *commit;
+
struct drm_atomic_state *state;
};
@@ -797,10 +806,10 @@ struct drm_crtc {
* This is protected by @mutex. Note that nonblocking atomic commits
* access the current CRTC state without taking locks. Either by going
* through the &struct drm_atomic_state pointers, see
- * for_each_crtc_in_state(), for_each_oldnew_crtc_in_state(),
- * for_each_old_crtc_in_state() and for_each_new_crtc_in_state(). Or
- * through careful ordering of atomic commit operations as implemented
- * in the atomic helpers, see &struct drm_crtc_commit.
+ * for_each_oldnew_crtc_in_state(), for_each_old_crtc_in_state() and
+ * for_each_new_crtc_in_state(). Or through careful ordering of atomic
+ * commit operations as implemented in the atomic helpers, see
+ * &struct drm_crtc_commit.
*/
struct drm_crtc_state *state;
@@ -808,10 +817,16 @@ struct drm_crtc {
* @commit_list:
*
* List of &drm_crtc_commit structures tracking pending commits.
- * Protected by @commit_lock. This list doesn't hold its own full
- * reference, but burrows it from the ongoing commit. Commit entries
- * must be removed from this list once the commit is fully completed,
- * but before it's correspoding &drm_atomic_state gets destroyed.
+ * Protected by @commit_lock. This list holds its own full reference,
+ * as does the ongoing commit.
+ *
+ * "Note that the commit for a state change is also tracked in
+ * &drm_crtc_state.commit. For accessing the immediately preceding
+ * commit in an atomic update it is recommended to just use that
+ * pointer in the old CRTC state, since accessing that doesn't need
+ * any locking or list-walking. @commit_list should only be used to
+ * stall for framebuffer cleanup that's signalled through
+ * &drm_crtc_commit.cleanup_done."
*/
struct list_head commit_list;
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index b17476a6909c..11c39f15f1b3 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -738,6 +738,11 @@
#define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */
# define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0)
+#define DP_LANE0_1_STATUS_ESI 0x200c /* status same as 0x202 */
+#define DP_LANE2_3_STATUS_ESI 0x200d /* status same as 0x203 */
+#define DP_LANE_ALIGN_STATUS_UPDATED_ESI 0x200e /* status same as 0x204 */
+#define DP_SINK_STATUS_ESI 0x200f /* status same as 0x205 */
+
#define DP_DPRX_FEATURE_ENUMERATION_LIST 0x2210 /* DP 1.3 */
# define DP_GTC_CAP (1 << 0) /* DP 1.3 */
# define DP_SST_SPLIT_SDP_CAP (1 << 1) /* DP 1.4 */
@@ -871,6 +876,18 @@ void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]);
u8 drm_dp_link_rate_to_bw_code(int link_rate);
int drm_dp_bw_code_to_link_rate(u8 link_bw);
+#define DP_SDP_AUDIO_TIMESTAMP 0x01
+#define DP_SDP_AUDIO_STREAM 0x02
+#define DP_SDP_EXTENSION 0x04 /* DP 1.1 */
+#define DP_SDP_AUDIO_COPYMANAGEMENT 0x05 /* DP 1.2 */
+#define DP_SDP_ISRC 0x06 /* DP 1.2 */
+#define DP_SDP_VSC 0x07 /* DP 1.2 */
+#define DP_SDP_CAMERA_GENERIC(i) (0x08 + (i)) /* 0-7, DP 1.3 */
+#define DP_SDP_PPS 0x10 /* DP 1.4 */
+#define DP_SDP_VSC_EXT_VESA 0x20 /* DP 1.4 */
+#define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */
+/* 0x80+ CEA-861 infoframe types */
+
struct edp_sdp_header {
u8 HB0; /* Secondary Data Packet ID */
u8 HB1; /* Secondary Data Packet Type */
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index d55abb75f29a..7f78d26a0766 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -631,5 +631,7 @@ int drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
int drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr,
int slots);
+int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_port *port, bool power_up);
#endif
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 1e1908a6b1d6..6f35909b8add 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -341,6 +341,8 @@ int drm_av_sync_delay(struct drm_connector *connector,
#ifdef CONFIG_DRM_LOAD_EDID_FIRMWARE
struct edid *drm_load_edid_firmware(struct drm_connector *connector);
+int __drm_set_edid_firmware_path(const char *path);
+int __drm_get_edid_firmware_path(char *buf, size_t bufsize);
#else
static inline struct edid *
drm_load_edid_firmware(struct drm_connector *connector)
diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h
index db9cfa07235e..5ca7cdc3f527 100644
--- a/include/drm/drm_gem_framebuffer_helper.h
+++ b/include/drm/drm_gem_framebuffer_helper.h
@@ -2,8 +2,8 @@
#define __DRM_GEM_FB_HELPER_H__
struct drm_device;
-struct drm_file;
struct drm_fb_helper_surface_size;
+struct drm_file;
struct drm_framebuffer;
struct drm_framebuffer_funcs;
struct drm_gem_object;
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 49b292e98fec..8d10fc97801c 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -172,7 +172,7 @@ struct drm_mm {
* according to the (increasing) start address of the memory node. */
struct drm_mm_node head_node;
/* Keep an interval_tree for fast lookup of drm_mm_nodes by address. */
- struct rb_root interval_tree;
+ struct rb_root_cached interval_tree;
struct rb_root holes_size;
struct rb_root holes_addr;
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index c55cf3ff6847..16646c44b7df 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -314,7 +314,7 @@ struct drm_crtc_helper_funcs {
* implementation in drm_atomic_helper_check().
*
* When using drm_atomic_helper_check_planes() this hook is called
- * after the &drm_plane_helper_funcs.atomc_check hook for planes, which
+ * after the &drm_plane_helper_funcs.atomic_check hook for planes, which
* allows drivers to assign shared resources requested by planes in this
* callback here. For more complicated dependencies the driver can call
* the provided check helpers multiple times until the computed state
diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h
index 4b27c2bb955c..a685d1bb21f2 100644
--- a/include/drm/drm_modeset_lock.h
+++ b/include/drm/drm_modeset_lock.h
@@ -34,6 +34,7 @@ struct drm_modeset_lock;
* @contended: used internally for -EDEADLK handling
* @locked: list of held locks
* @trylock_only: trylock mode used in atomic contexts/panic notifiers
+ * @interruptible: whether interruptible locking should be used.
*
* Each thread competing for a set of locks must use one acquire
* ctx. And if any lock fxn returns -EDEADLK, it must backoff and
@@ -59,6 +60,9 @@ struct drm_modeset_acquire_ctx {
* Trylock mode, use only for panic handlers!
*/
bool trylock_only;
+
+ /* Perform interruptible waits on this context. */
+ bool interruptible;
};
/**
@@ -82,12 +86,13 @@ struct drm_modeset_lock {
struct list_head head;
};
+#define DRM_MODESET_ACQUIRE_INTERRUPTIBLE BIT(0)
+
void drm_modeset_acquire_init(struct drm_modeset_acquire_ctx *ctx,
uint32_t flags);
void drm_modeset_acquire_fini(struct drm_modeset_acquire_ctx *ctx);
void drm_modeset_drop_locks(struct drm_modeset_acquire_ctx *ctx);
-void drm_modeset_backoff(struct drm_modeset_acquire_ctx *ctx);
-int drm_modeset_backoff_interruptible(struct drm_modeset_acquire_ctx *ctx);
+int drm_modeset_backoff(struct drm_modeset_acquire_ctx *ctx);
void drm_modeset_lock_init(struct drm_modeset_lock *lock);
@@ -111,8 +116,7 @@ static inline bool drm_modeset_is_locked(struct drm_modeset_lock *lock)
int drm_modeset_lock(struct drm_modeset_lock *lock,
struct drm_modeset_acquire_ctx *ctx);
-int drm_modeset_lock_interruptible(struct drm_modeset_lock *lock,
- struct drm_modeset_acquire_ctx *ctx);
+int __must_check drm_modeset_lock_single_interruptible(struct drm_modeset_lock *lock);
void drm_modeset_unlock(struct drm_modeset_lock *lock);
struct drm_device;
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 73f90f9d057f..82a217bd77f0 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -123,6 +123,14 @@ struct drm_plane_state {
*/
bool visible;
+ /**
+ * @commit: Tracks the pending commit to prevent use-after-free conditions,
+ * and for async plane updates.
+ *
+ * May be NULL.
+ */
+ struct drm_crtc_commit *commit;
+
struct drm_atomic_state *state;
};
@@ -531,10 +539,10 @@ struct drm_plane {
* This is protected by @mutex. Note that nonblocking atomic commits
* access the current plane state without taking locks. Either by going
* through the &struct drm_atomic_state pointers, see
- * for_each_plane_in_state(), for_each_oldnew_plane_in_state(),
- * for_each_old_plane_in_state() and for_each_new_plane_in_state(). Or
- * through careful ordering of atomic commit operations as implemented
- * in the atomic helpers, see &struct drm_crtc_commit.
+ * for_each_oldnew_plane_in_state(), for_each_old_plane_in_state() and
+ * for_each_new_plane_in_state(). Or through careful ordering of atomic
+ * commit operations as implemented in the atomic helpers, see
+ * &struct drm_crtc_commit.
*/
struct drm_plane_state *state;
diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h
new file mode 100644
index 000000000000..b5e460fa5086
--- /dev/null
+++ b/include/drm/ttm/ttm_debug.h
@@ -0,0 +1,31 @@
+/**************************************************************************
+ *
+ * Copyright (c) 2017 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+/*
+ * Authors: Tom St Denis <tom.stdenis@amd.com>
+ */
+extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt);
+extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt);
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 49a828425fa2..38a2b4770c35 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -47,7 +47,7 @@ void ttm_page_alloc_fini(void);
*
* Add backing pages to all of @ttm
*/
-extern int ttm_pool_populate(struct ttm_tt *ttm);
+int ttm_pool_populate(struct ttm_tt *ttm);
/**
* ttm_pool_unpopulate:
@@ -56,12 +56,12 @@ extern int ttm_pool_populate(struct ttm_tt *ttm);
*
* Free all pages of @ttm
*/
-extern void ttm_pool_unpopulate(struct ttm_tt *ttm);
+void ttm_pool_unpopulate(struct ttm_tt *ttm);
/**
* Output the state of pools to debugfs file
*/
-extern int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
+int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
@@ -78,10 +78,21 @@ void ttm_dma_page_alloc_fini(void);
/**
* Output the state of pools to debugfs file
*/
-extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
+int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
-extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
-extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+
+
+/**
+ * Populates and DMA maps pages to fullfil a ttm_dma_populate() request
+ */
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
+
+/**
+ * Unpopulates and DMA unmaps pages as part of a
+ * ttm_dma_unpopulate() request */
+void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
#else
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
@@ -105,6 +116,16 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
struct device *dev)
{
}
+
+static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+ return -ENOMEM;
+}
+
+static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+}
+
#endif
#endif