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-rw-r--r--include/drm/bridge/mhl.h4
-rw-r--r--include/drm/drmP.h4
-rw-r--r--include/drm/drm_atomic.h188
-rw-r--r--include/drm/drm_auth.h21
-rw-r--r--include/drm/drm_bridge.h2
-rw-r--r--include/drm/drm_connector.h14
-rw-r--r--include/drm/drm_crtc.h37
-rw-r--r--include/drm/drm_dp_helper.h23
-rw-r--r--include/drm/drm_dp_mst_helper.h2
-rw-r--r--include/drm/drm_drv.h7
-rw-r--r--include/drm/drm_edid.h2
-rw-r--r--include/drm/drm_encoder.h4
-rw-r--r--include/drm/drm_fb_cma_helper.h13
-rw-r--r--include/drm/drm_framebuffer.h1
-rw-r--r--include/drm/drm_gem_framebuffer_helper.h2
-rw-r--r--include/drm/drm_lease.h46
-rw-r--r--include/drm/drm_mode_config.h13
-rw-r--r--include/drm/drm_mode_object.h5
-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_of.h31
-rw-r--r--include/drm/drm_plane.h20
-rw-r--r--include/drm/drm_property.h6
-rw-r--r--include/drm/drm_syncobj.h5
-rw-r--r--include/drm/drm_vblank.h25
-rw-r--r--include/drm/i915_pciids.h154
-rw-r--r--include/drm/ttm/ttm_debug.h31
-rw-r--r--include/drm/ttm/ttm_memory.h5
-rw-r--r--include/drm/ttm/ttm_page_alloc.h33
29 files changed, 455 insertions, 257 deletions
diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h
index fbdfc8d7f3c7..96a5e0f6ff12 100644
--- a/include/drm/bridge/mhl.h
+++ b/include/drm/bridge/mhl.h
@@ -262,6 +262,10 @@ enum {
#define MHL_RAPK_UNSUPPORTED 0x02 /* Rcvd RAP action code not supported */
#define MHL_RAPK_BUSY 0x03 /* Responder too busy to respond */
+/* Bit masks for RCP messages */
+#define MHL_RCP_KEY_RELEASED_MASK 0x80
+#define MHL_RCP_KEY_ID_MASK 0x7F
+
/*
* Error status codes for RCPE messages
*/
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 7277783a4ff0..59be1232d005 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -136,6 +136,7 @@ struct pci_controller;
#define DRM_UT_ATOMIC 0x10
#define DRM_UT_VBL 0x20
#define DRM_UT_STATE 0x40
+#define DRM_UT_LEASE 0x80
/***********************************************************************/
/** \name DRM template customization defaults */
@@ -250,6 +251,9 @@ struct pci_controller;
#define DRM_DEBUG_VBL(fmt, ...) \
drm_printk(KERN_DEBUG, DRM_UT_VBL, fmt, ##__VA_ARGS__)
+#define DRM_DEBUG_LEASE(fmt, ...) \
+ drm_printk(KERN_DEBUG, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
+
#define _DRM_DEV_DEFINE_DEBUG_RATELIMITED(dev, level, fmt, args...) \
({ \
static DEFINE_RATELIMIT_STATE(_rs, \
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 8a5808eb5628..5afd6e364fb6 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
@@ -595,12 +585,12 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_oldnew_connector_in_state(__state, connector, old_connector_state, new_connector_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->num_connector && \
- ((connector) = (__state)->connectors[__i].ptr, \
- (old_connector_state) = (__state)->connectors[__i].old_state, \
- (new_connector_state) = (__state)->connectors[__i].new_state, 1); \
- (__i)++) \
- for_each_if (connector)
+ (__i) < (__state)->num_connector; \
+ (__i)++) \
+ for_each_if ((__state)->connectors[__i].ptr && \
+ ((connector) = (__state)->connectors[__i].ptr, \
+ (old_connector_state) = (__state)->connectors[__i].old_state, \
+ (new_connector_state) = (__state)->connectors[__i].new_state, 1))
/**
* for_each_old_connector_in_state - iterate over all connectors in an atomic update
@@ -616,11 +606,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_old_connector_in_state(__state, connector, old_connector_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->num_connector && \
- ((connector) = (__state)->connectors[__i].ptr, \
- (old_connector_state) = (__state)->connectors[__i].old_state, 1); \
- (__i)++) \
- for_each_if (connector)
+ (__i) < (__state)->num_connector; \
+ (__i)++) \
+ for_each_if ((__state)->connectors[__i].ptr && \
+ ((connector) = (__state)->connectors[__i].ptr, \
+ (old_connector_state) = (__state)->connectors[__i].old_state, 1))
/**
* for_each_new_connector_in_state - iterate over all connectors in an atomic update
@@ -636,36 +626,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_new_connector_in_state(__state, connector, new_connector_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->num_connector && \
- ((connector) = (__state)->connectors[__i].ptr, \
- (new_connector_state) = (__state)->connectors[__i].new_state, 1); \
- (__i)++) \
- 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)
+ (__i) < (__state)->num_connector; \
+ (__i)++) \
+ for_each_if ((__state)->connectors[__i].ptr && \
+ ((connector) = (__state)->connectors[__i].ptr, \
+ (new_connector_state) = (__state)->connectors[__i].new_state, 1))
/**
* for_each_oldnew_crtc_in_state - iterate over all CRTCs in an atomic update
@@ -681,12 +646,12 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_oldnew_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_crtc && \
- ((crtc) = (__state)->crtcs[__i].ptr, \
- (old_crtc_state) = (__state)->crtcs[__i].old_state, \
- (new_crtc_state) = (__state)->crtcs[__i].new_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_crtc; \
(__i)++) \
- for_each_if (crtc)
+ for_each_if ((__state)->crtcs[__i].ptr && \
+ ((crtc) = (__state)->crtcs[__i].ptr, \
+ (old_crtc_state) = (__state)->crtcs[__i].old_state, \
+ (new_crtc_state) = (__state)->crtcs[__i].new_state, 1))
/**
* for_each_old_crtc_in_state - iterate over all CRTCs in an atomic update
@@ -701,11 +666,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_old_crtc_in_state(__state, crtc, old_crtc_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_crtc && \
- ((crtc) = (__state)->crtcs[__i].ptr, \
- (old_crtc_state) = (__state)->crtcs[__i].old_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_crtc; \
(__i)++) \
- for_each_if (crtc)
+ for_each_if ((__state)->crtcs[__i].ptr && \
+ ((crtc) = (__state)->crtcs[__i].ptr, \
+ (old_crtc_state) = (__state)->crtcs[__i].old_state, 1))
/**
* for_each_new_crtc_in_state - iterate over all CRTCs in an atomic update
@@ -720,36 +685,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_new_crtc_in_state(__state, crtc, new_crtc_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_crtc && \
- ((crtc) = (__state)->crtcs[__i].ptr, \
- (new_crtc_state) = (__state)->crtcs[__i].new_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_crtc; \
(__i)++) \
- 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_if ((__state)->crtcs[__i].ptr && \
+ ((crtc) = (__state)->crtcs[__i].ptr, \
+ (new_crtc_state) = (__state)->crtcs[__i].new_state, 1))
/**
* for_each_oldnew_plane_in_state - iterate over all planes in an atomic update
@@ -765,12 +705,12 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_oldnew_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_total_plane && \
- ((plane) = (__state)->planes[__i].ptr, \
- (old_plane_state) = (__state)->planes[__i].old_state, \
- (new_plane_state) = (__state)->planes[__i].new_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_total_plane; \
(__i)++) \
- for_each_if (plane)
+ for_each_if ((__state)->planes[__i].ptr && \
+ ((plane) = (__state)->planes[__i].ptr, \
+ (old_plane_state) = (__state)->planes[__i].old_state,\
+ (new_plane_state) = (__state)->planes[__i].new_state, 1))
/**
* for_each_old_plane_in_state - iterate over all planes in an atomic update
@@ -785,12 +725,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_old_plane_in_state(__state, plane, old_plane_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_total_plane && \
- ((plane) = (__state)->planes[__i].ptr, \
- (old_plane_state) = (__state)->planes[__i].old_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_total_plane; \
(__i)++) \
- for_each_if (plane)
-
+ for_each_if ((__state)->planes[__i].ptr && \
+ ((plane) = (__state)->planes[__i].ptr, \
+ (old_plane_state) = (__state)->planes[__i].old_state, 1))
/**
* for_each_new_plane_in_state - iterate over all planes in an atomic update
* @__state: &struct drm_atomic_state pointer
@@ -804,11 +743,11 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
*/
#define for_each_new_plane_in_state(__state, plane, new_plane_state, __i) \
for ((__i) = 0; \
- (__i) < (__state)->dev->mode_config.num_total_plane && \
- ((plane) = (__state)->planes[__i].ptr, \
- (new_plane_state) = (__state)->planes[__i].new_state, 1); \
+ (__i) < (__state)->dev->mode_config.num_total_plane; \
(__i)++) \
- for_each_if (plane)
+ for_each_if ((__state)->planes[__i].ptr && \
+ ((plane) = (__state)->planes[__i].ptr, \
+ (new_plane_state) = (__state)->planes[__i].new_state, 1))
/**
* for_each_oldnew_private_obj_in_state - iterate over all private objects in an atomic update
@@ -828,8 +767,7 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
((obj) = (__state)->private_objs[__i].ptr, \
(old_obj_state) = (__state)->private_objs[__i].old_state, \
(new_obj_state) = (__state)->private_objs[__i].new_state, 1); \
- (__i)++) \
- for_each_if (obj)
+ (__i)++)
/**
* for_each_old_private_obj_in_state - iterate over all private objects in an atomic update
@@ -847,8 +785,7 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
(__i) < (__state)->num_private_objs && \
((obj) = (__state)->private_objs[__i].ptr, \
(old_obj_state) = (__state)->private_objs[__i].old_state, 1); \
- (__i)++) \
- for_each_if (obj)
+ (__i)++)
/**
* for_each_new_private_obj_in_state - iterate over all private objects in an atomic update
@@ -866,8 +803,7 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
(__i) < (__state)->num_private_objs && \
((obj) = (__state)->private_objs[__i].ptr, \
(new_obj_state) = (__state)->private_objs[__i].new_state, 1); \
- (__i)++) \
- for_each_if (obj)
+ (__i)++)
/**
* drm_atomic_crtc_needs_modeset - compute combined modeset need
diff --git a/include/drm/drm_auth.h b/include/drm/drm_auth.h
index 81a40c2a9a3e..86bff9841b54 100644
--- a/include/drm/drm_auth.h
+++ b/include/drm/drm_auth.h
@@ -52,6 +52,12 @@ struct drm_lock_data {
* @dev: Link back to the DRM device
* @lock: DRI1 lock information.
* @driver_priv: Pointer to driver-private information.
+ * @lessor: Lease holder
+ * @lessee_id: id for lessees. Owners always have id 0
+ * @lessee_list: other lessees of the same master
+ * @lessees: drm_masters leasing from this one
+ * @leases: Objects leased to this drm_master.
+ * @lessee_idr: All lessees under this owner (only used where lessor == NULL)
*
* Note that master structures are only relevant for the legacy/primary device
* nodes, hence there can only be one per device, not one per drm_minor.
@@ -76,10 +82,25 @@ struct drm_master {
struct idr magic_map;
struct drm_lock_data lock;
void *driver_priv;
+
+ /* Tree of display resource leases, each of which is a drm_master struct
+ * All of these get activated simultaneously, so drm_device master points
+ * at the top of the tree (for which lessor is NULL). Protected by
+ * &drm_device.mode_config.idr_mutex.
+ */
+
+ struct drm_master *lessor;
+ int lessee_id;
+ struct list_head lessee_list;
+ struct list_head lessees;
+ struct idr leases;
+ struct idr lessee_idr;
};
struct drm_master *drm_master_get(struct drm_master *master);
void drm_master_put(struct drm_master **master);
bool drm_is_current_master(struct drm_file *fpriv);
+struct drm_master *drm_master_create(struct drm_device *dev);
+
#endif
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..7a7140543012 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
@@ -927,16 +933,18 @@ static inline unsigned drm_connector_index(struct drm_connector *connector)
/**
* drm_connector_lookup - lookup connector object
* @dev: DRM device
+ * @file_priv: drm file to check for lease against.
* @id: connector object id
*
* This function looks up the connector object specified by id
* add takes a reference to it.
*/
static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id)
{
struct drm_mode_object *mo;
- mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR);
+ mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_CONNECTOR);
return mo ? obj_to_connector(mo) : NULL;
}
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 1a642020e306..a2d81d2907a9 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;
@@ -937,6 +952,7 @@ struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx);
/**
* drm_crtc_find - look up a CRTC object from its ID
* @dev: DRM device
+ * @file_priv: drm file to check for lease against.
* @id: &drm_mode_object ID
*
* This can be used to look up a CRTC from its userspace ID. Only used by
@@ -944,10 +960,11 @@ struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx);
* userspace interface should be done using &drm_property.
*/
static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
- uint32_t id)
+ struct drm_file *file_priv,
+ uint32_t id)
{
struct drm_mode_object *mo;
- mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CRTC);
+ mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_CRTC);
return mo ? obj_to_crtc(mo) : NULL;
}
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index b17476a6909c..8b9ac321c3bd 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -735,9 +735,20 @@
# define DP_PSR_SINK_INTERNAL_ERROR 7
# define DP_PSR_SINK_STATE_MASK 0x07
+#define DP_SYNCHRONIZATION_LATENCY_IN_SINK 0x2009 /* edp 1.4 */
+# define DP_MAX_RESYNC_FRAME_COUNT_MASK (0xf << 0)
+# define DP_MAX_RESYNC_FRAME_COUNT_SHIFT 0
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_MASK (0xf << 4)
+# define DP_LAST_ACTUAL_SYNCHRONIZATION_LATENCY_SHIFT 4
+
#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 +882,18 @@ 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_drv.h b/include/drm/drm_drv.h
index 71bbaaec836d..412e83a4d3db 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -155,7 +155,7 @@ struct drm_driver {
* reverse order of the initialization. Similarly to the load
* hook, this handler is deprecated and its usage should be
* dropped in favor of an open-coded teardown function at the
- * driver layer. See drm_dev_unregister() and drm_dev_unref()
+ * driver layer. See drm_dev_unregister() and drm_dev_put()
* for the proper way to remove a &struct drm_device.
*
* The unload() hook is called right after unregistering
@@ -324,7 +324,7 @@ struct drm_driver {
*/
bool (*get_vblank_timestamp) (struct drm_device *dev, unsigned int pipe,
int *max_error,
- struct timeval *vblank_time,
+ ktime_t *vblank_time,
bool in_vblank_irq);
/**
@@ -611,7 +611,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
int drm_dev_register(struct drm_device *dev, unsigned long flags);
void drm_dev_unregister(struct drm_device *dev);
-void drm_dev_ref(struct drm_device *dev);
+void drm_dev_get(struct drm_device *dev);
+void drm_dev_put(struct drm_device *dev);
void drm_dev_unref(struct drm_device *dev);
void drm_put_dev(struct drm_device *dev);
void drm_dev_unplug(struct drm_device *dev);
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_encoder.h b/include/drm/drm_encoder.h
index 8d8245ec0181..ee4cfbe63c52 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -208,17 +208,19 @@ static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
/**
* drm_encoder_find - find a &drm_encoder
* @dev: DRM device
+ * @file_priv: drm file to check for lease against.
* @id: encoder id
*
* Returns the encoder with @id, NULL if it doesn't exist. Simple wrapper around
* drm_mode_object_find().
*/
static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id)
{
struct drm_mode_object *mo;
- mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
+ mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_ENCODER);
return mo ? obj_to_encoder(mo) : NULL;
}
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index 1df291d11710..faf56c53df28 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -29,16 +29,6 @@ void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, bool state);
void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
bool state);
-void drm_fb_cma_destroy(struct drm_framebuffer *fb);
-int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
- struct drm_file *file_priv, unsigned int *handle);
-
-struct drm_framebuffer *drm_fb_cma_create_with_funcs(struct drm_device *dev,
- struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd,
- const struct drm_framebuffer_funcs *funcs);
-struct drm_framebuffer *drm_fb_cma_create(struct drm_device *dev,
- struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd);
-
struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
@@ -46,9 +36,6 @@ dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
struct drm_plane_state *state,
unsigned int plane);
-int drm_fb_cma_prepare_fb(struct drm_plane *plane,
- struct drm_plane_state *state);
-
#ifdef CONFIG_DEBUG_FS
struct seq_file;
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index b6996ddb19d6..4c5ee4ae54df 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -205,6 +205,7 @@ int drm_framebuffer_init(struct drm_device *dev,
struct drm_framebuffer *fb,
const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id);
void drm_framebuffer_remove(struct drm_framebuffer *fb);
void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
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_lease.h b/include/drm/drm_lease.h
new file mode 100644
index 000000000000..fbc0ab54855b
--- /dev/null
+++ b/include/drm/drm_lease.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2017 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef _DRM_LEASE_H_
+#define _DRM_LEASE_H_
+
+struct drm_file;
+struct drm_device;
+struct drm_master;
+
+struct drm_master *drm_lease_owner(struct drm_master *master);
+
+void drm_lease_destroy(struct drm_master *lessee);
+
+bool drm_lease_held(struct drm_file *file_priv, int id);
+
+bool _drm_lease_held(struct drm_file *file_priv, int id);
+
+void drm_lease_revoke(struct drm_master *master);
+
+uint32_t drm_lease_filter_crtcs(struct drm_file *file_priv, uint32_t crtcs);
+
+int drm_mode_create_lease_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
+
+int drm_mode_list_lessees_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
+
+int drm_mode_get_lease_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
+
+int drm_mode_revoke_lease_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
+
+#endif /* _DRM_LEASE_H_ */
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 1b37368416c8..0b4ac2ebc610 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -430,19 +430,6 @@ struct drm_mode_config {
struct list_head encoder_list;
/**
- * @num_overlay_plane:
- *
- * Number of overlay planes on this device, excluding primary and cursor
- * planes.
- *
- * Track number of overlay planes separately from number of total
- * planes. By default we only advertise overlay planes to userspace; if
- * userspace sets the "universal plane" capability bit, we'll go ahead
- * and expose all planes. This is invariant over the lifetime of a
- * device and hence doesn't need any locks.
- */
- int num_overlay_plane;
- /**
* @num_total_plane:
*
* Number of universal (i.e. with primary/curso) planes on this device.
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index a767b4a30a6d..7ba3913f30b5 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -24,9 +24,11 @@
#define __DRM_MODESET_H__
#include <linux/kref.h>
+#include <drm/drm_lease.h>
struct drm_object_properties;
struct drm_property;
struct drm_device;
+struct drm_file;
/**
* struct drm_mode_object - base structure for modeset objects
@@ -113,6 +115,7 @@ struct drm_object_properties {
}
struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id, uint32_t type);
void drm_mode_object_get(struct drm_mode_object *obj);
void drm_mode_object_put(struct drm_mode_object *obj);
@@ -151,4 +154,6 @@ int drm_object_property_get_value(struct drm_mode_object *obj,
void drm_object_attach_property(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t init_val);
+
+bool drm_mode_object_lease_required(uint32_t type);
#endif
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_of.h b/include/drm/drm_of.h
index 4f835490d77a..b93c239afb60 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -3,6 +3,9 @@
#define __DRM_OF_H__
#include <linux/of_graph.h>
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
+#include <drm/drm_bridge.h>
+#endif
struct component_master_ops;
struct component_match;
@@ -68,6 +71,34 @@ static inline int drm_of_find_panel_or_bridge(const struct device_node *np,
}
#endif
+/*
+ * drm_of_panel_bridge_remove - remove panel bridge
+ * @np: device tree node containing panel bridge output ports
+ *
+ * Remove the panel bridge of a given DT node's port and endpoint number
+ *
+ * Returns zero if successful, or one of the standard error codes if it fails.
+ */
+static inline int drm_of_panel_bridge_remove(const struct device_node *np,
+ int port, int endpoint)
+{
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
+ struct drm_bridge *bridge;
+ struct device_node *remote;
+
+ remote = of_graph_get_remote_node(np, port, endpoint);
+ if (!remote)
+ return -ENODEV;
+
+ bridge = of_drm_find_bridge(remote);
+ drm_panel_bridge_remove(bridge);
+
+ return 0;
+#else
+ return -EINVAL;
+#endif
+}
+
static inline int drm_of_encoder_active_endpoint_id(struct device_node *node,
struct drm_encoder *encoder)
{
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 73f90f9d057f..571615079230 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;
@@ -583,16 +591,18 @@ int drm_mode_plane_set_obj_prop(struct drm_plane *plane,
/**
* drm_plane_find - find a &drm_plane
* @dev: DRM device
+ * @file_priv: drm file to check for lease against.
* @id: plane id
*
* Returns the plane with @id, NULL if it doesn't exist. Simple wrapper around
* drm_mode_object_find().
*/
static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id)
{
struct drm_mode_object *mo;
- mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE);
+ mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_PLANE);
return mo ? obj_to_plane(mo) : NULL;
}
diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h
index 37355c623e6c..8a522b4bed40 100644
--- a/include/drm/drm_property.h
+++ b/include/drm/drm_property.h
@@ -305,17 +305,19 @@ drm_property_unreference_blob(struct drm_property_blob *blob)
}
/**
- * drm_connector_find - find property object
+ * drm_property_find - find property object
* @dev: DRM device
+ * @file_priv: drm file to check for lease against.
* @id: property object id
*
* This function looks up the property object specified by id and returns it.
*/
static inline struct drm_property *drm_property_find(struct drm_device *dev,
+ struct drm_file *file_priv,
uint32_t id)
{
struct drm_mode_object *mo;
- mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY);
+ mo = drm_mode_object_find(dev, file_priv, id, DRM_MODE_OBJECT_PROPERTY);
return mo ? obj_to_property(mo) : NULL;
}
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index c00fee539822..43e2f382d2f0 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -136,5 +136,10 @@ int drm_syncobj_find_fence(struct drm_file *file_private,
u32 handle,
struct dma_fence **fence);
void drm_syncobj_free(struct kref *kref);
+int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags,
+ struct dma_fence *fence);
+int drm_syncobj_get_handle(struct drm_file *file_private,
+ struct drm_syncobj *syncobj, u32 *handle);
+int drm_syncobj_get_fd(struct drm_syncobj *syncobj, int *p_fd);
#endif
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index 7fba9efe4951..848b463a0af5 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -48,9 +48,17 @@ struct drm_pending_vblank_event {
*/
unsigned int pipe;
/**
+ * @sequence: frame event should be triggered at
+ */
+ u64 sequence;
+ /**
* @event: Actual event which will be sent to userspace.
*/
- struct drm_event_vblank event;
+ union {
+ struct drm_event base;
+ struct drm_event_vblank vbl;
+ struct drm_event_crtc_sequence seq;
+ } event;
};
/**
@@ -88,11 +96,11 @@ struct drm_vblank_crtc {
/**
* @count: Current software vblank counter.
*/
- u32 count;
+ u64 count;
/**
* @time: Vblank timestamp corresponding to @count.
*/
- struct timeval time;
+ ktime_t time;
/**
* @refcount: Number of users/waiters of the vblank interrupt. Only when
@@ -152,13 +160,16 @@ struct drm_vblank_crtc {
};
int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs);
-u32 drm_crtc_vblank_count(struct drm_crtc *crtc);
-u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,
- struct timeval *vblanktime);
+u64 drm_crtc_vblank_count(struct drm_crtc *crtc);
+u64 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc,
+ ktime_t *vblanktime);
void drm_crtc_send_vblank_event(struct drm_crtc *crtc,
struct drm_pending_vblank_event *e);
void drm_crtc_arm_vblank_event(struct drm_crtc *crtc,
struct drm_pending_vblank_event *e);
+void drm_vblank_set_event(struct drm_pending_vblank_event *e,
+ u64 *seq,
+ ktime_t *now);
bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);
bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
int drm_crtc_vblank_get(struct drm_crtc *crtc);
@@ -172,7 +183,7 @@ u32 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
unsigned int pipe, int *max_error,
- struct timeval *vblank_time,
+ ktime_t *vblank_time,
bool in_vblank_irq);
void drm_calc_timestamping_constants(struct drm_crtc *crtc,
const struct drm_display_mode *mode);
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 34c8f5600ce0..972a25633525 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -118,92 +118,125 @@
#define INTEL_IRONLAKE_M_IDS(info) \
INTEL_VGA_DEVICE(0x0046, info)
-#define INTEL_SNB_D_IDS(info) \
+#define INTEL_SNB_D_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x0102, info), \
- INTEL_VGA_DEVICE(0x0112, info), \
- INTEL_VGA_DEVICE(0x0122, info), \
INTEL_VGA_DEVICE(0x010A, info)
-#define INTEL_SNB_M_IDS(info) \
- INTEL_VGA_DEVICE(0x0106, info), \
+#define INTEL_SNB_D_GT2_IDS(info) \
+ INTEL_VGA_DEVICE(0x0112, info), \
+ INTEL_VGA_DEVICE(0x0122, info)
+
+#define INTEL_SNB_D_IDS(info) \
+ INTEL_SNB_D_GT1_IDS(info), \
+ INTEL_SNB_D_GT2_IDS(info)
+
+#define INTEL_SNB_M_GT1_IDS(info) \
+ INTEL_VGA_DEVICE(0x0106, info)
+
+#define INTEL_SNB_M_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x0116, info), \
INTEL_VGA_DEVICE(0x0126, info)
+#define INTEL_SNB_M_IDS(info) \
+ INTEL_SNB_M_GT1_IDS(info), \
+ INTEL_SNB_M_GT2_IDS(info)
+
+#define INTEL_IVB_M_GT1_IDS(info) \
+ INTEL_VGA_DEVICE(0x0156, info) /* GT1 mobile */
+
+#define INTEL_IVB_M_GT2_IDS(info) \
+ INTEL_VGA_DEVICE(0x0166, info) /* GT2 mobile */
+
#define INTEL_IVB_M_IDS(info) \
- INTEL_VGA_DEVICE(0x0156, info), /* GT1 mobile */ \
- INTEL_VGA_DEVICE(0x0166, info) /* GT2 mobile */
+ INTEL_IVB_M_GT1_IDS(info), \
+ INTEL_IVB_M_GT2_IDS(info)
-#define INTEL_IVB_D_IDS(info) \
+#define INTEL_IVB_D_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x0152, info), /* GT1 desktop */ \
+ INTEL_VGA_DEVICE(0x015a, info) /* GT1 server */
+
+#define INTEL_IVB_D_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x0162, info), /* GT2 desktop */ \
- INTEL_VGA_DEVICE(0x015a, info), /* GT1 server */ \
INTEL_VGA_DEVICE(0x016a, info) /* GT2 server */
+#define INTEL_IVB_D_IDS(info) \
+ INTEL_IVB_D_GT1_IDS(info), \
+ INTEL_IVB_D_GT2_IDS(info)
+
#define INTEL_IVB_Q_IDS(info) \
INTEL_QUANTA_VGA_DEVICE(info) /* Quanta transcode */
-#define INTEL_HSW_IDS(info) \
+#define INTEL_HSW_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x0402, info), /* GT1 desktop */ \
- INTEL_VGA_DEVICE(0x0412, info), /* GT2 desktop */ \
- INTEL_VGA_DEVICE(0x0422, info), /* GT3 desktop */ \
INTEL_VGA_DEVICE(0x040a, info), /* GT1 server */ \
- INTEL_VGA_DEVICE(0x041a, info), /* GT2 server */ \
- INTEL_VGA_DEVICE(0x042a, info), /* GT3 server */ \
INTEL_VGA_DEVICE(0x040B, info), /* GT1 reserved */ \
- INTEL_VGA_DEVICE(0x041B, info), /* GT2 reserved */ \
- INTEL_VGA_DEVICE(0x042B, info), /* GT3 reserved */ \
INTEL_VGA_DEVICE(0x040E, info), /* GT1 reserved */ \
- INTEL_VGA_DEVICE(0x041E, info), /* GT2 reserved */ \
- INTEL_VGA_DEVICE(0x042E, info), /* GT3 reserved */ \
INTEL_VGA_DEVICE(0x0C02, info), /* SDV GT1 desktop */ \
- INTEL_VGA_DEVICE(0x0C12, info), /* SDV GT2 desktop */ \
- INTEL_VGA_DEVICE(0x0C22, info), /* SDV GT3 desktop */ \
INTEL_VGA_DEVICE(0x0C0A, info), /* SDV GT1 server */ \
- INTEL_VGA_DEVICE(0x0C1A, info), /* SDV GT2 server */ \
- INTEL_VGA_DEVICE(0x0C2A, info), /* SDV GT3 server */ \
INTEL_VGA_DEVICE(0x0C0B, info), /* SDV GT1 reserved */ \
- INTEL_VGA_DEVICE(0x0C1B, info), /* SDV GT2 reserved */ \
- INTEL_VGA_DEVICE(0x0C2B, info), /* SDV GT3 reserved */ \
INTEL_VGA_DEVICE(0x0C0E, info), /* SDV GT1 reserved */ \
- INTEL_VGA_DEVICE(0x0C1E, info), /* SDV GT2 reserved */ \
- INTEL_VGA_DEVICE(0x0C2E, info), /* SDV GT3 reserved */ \
INTEL_VGA_DEVICE(0x0A02, info), /* ULT GT1 desktop */ \
- INTEL_VGA_DEVICE(0x0A12, info), /* ULT GT2 desktop */ \
- INTEL_VGA_DEVICE(0x0A22, info), /* ULT GT3 desktop */ \
INTEL_VGA_DEVICE(0x0A0A, info), /* ULT GT1 server */ \
- INTEL_VGA_DEVICE(0x0A1A, info), /* ULT GT2 server */ \
- INTEL_VGA_DEVICE(0x0A2A, info), /* ULT GT3 server */ \
INTEL_VGA_DEVICE(0x0A0B, info), /* ULT GT1 reserved */ \
- INTEL_VGA_DEVICE(0x0A1B, info), /* ULT GT2 reserved */ \
- INTEL_VGA_DEVICE(0x0A2B, info), /* ULT GT3 reserved */ \
INTEL_VGA_DEVICE(0x0D02, info), /* CRW GT1 desktop */ \
- INTEL_VGA_DEVICE(0x0D12, info), /* CRW GT2 desktop */ \
- INTEL_VGA_DEVICE(0x0D22, info), /* CRW GT3 desktop */ \
INTEL_VGA_DEVICE(0x0D0A, info), /* CRW GT1 server */ \
- INTEL_VGA_DEVICE(0x0D1A, info), /* CRW GT2 server */ \
- INTEL_VGA_DEVICE(0x0D2A, info), /* CRW GT3 server */ \
INTEL_VGA_DEVICE(0x0D0B, info), /* CRW GT1 reserved */ \
- INTEL_VGA_DEVICE(0x0D1B, info), /* CRW GT2 reserved */ \
- INTEL_VGA_DEVICE(0x0D2B, info), /* CRW GT3 reserved */ \
INTEL_VGA_DEVICE(0x0D0E, info), /* CRW GT1 reserved */ \
- INTEL_VGA_DEVICE(0x0D1E, info), /* CRW GT2 reserved */ \
- INTEL_VGA_DEVICE(0x0D2E, info), /* CRW GT3 reserved */ \
INTEL_VGA_DEVICE(0x0406, info), /* GT1 mobile */ \
+ INTEL_VGA_DEVICE(0x0C06, info), /* SDV GT1 mobile */ \
+ INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \
+ INTEL_VGA_DEVICE(0x0A0E, info), /* ULX GT1 mobile */ \
+ INTEL_VGA_DEVICE(0x0D06, info) /* CRW GT1 mobile */
+
+#define INTEL_HSW_GT2_IDS(info) \
+ INTEL_VGA_DEVICE(0x0412, info), /* GT2 desktop */ \
+ INTEL_VGA_DEVICE(0x041a, info), /* GT2 server */ \
+ INTEL_VGA_DEVICE(0x041B, info), /* GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x041E, info), /* GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x0C12, info), /* SDV GT2 desktop */ \
+ INTEL_VGA_DEVICE(0x0C1A, info), /* SDV GT2 server */ \
+ INTEL_VGA_DEVICE(0x0C1B, info), /* SDV GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x0C1E, info), /* SDV GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x0A12, info), /* ULT GT2 desktop */ \
+ INTEL_VGA_DEVICE(0x0A1A, info), /* ULT GT2 server */ \
+ INTEL_VGA_DEVICE(0x0A1B, info), /* ULT GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x0D12, info), /* CRW GT2 desktop */ \
+ INTEL_VGA_DEVICE(0x0D1A, info), /* CRW GT2 server */ \
+ INTEL_VGA_DEVICE(0x0D1B, info), /* CRW GT2 reserved */ \
+ INTEL_VGA_DEVICE(0x0D1E, info), /* CRW GT2 reserved */ \
INTEL_VGA_DEVICE(0x0416, info), /* GT2 mobile */ \
INTEL_VGA_DEVICE(0x0426, info), /* GT2 mobile */ \
- INTEL_VGA_DEVICE(0x0C06, info), /* SDV GT1 mobile */ \
INTEL_VGA_DEVICE(0x0C16, info), /* SDV GT2 mobile */ \
- INTEL_VGA_DEVICE(0x0C26, info), /* SDV GT3 mobile */ \
- INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \
INTEL_VGA_DEVICE(0x0A16, info), /* ULT GT2 mobile */ \
- INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \
- INTEL_VGA_DEVICE(0x0A0E, info), /* ULX GT1 mobile */ \
INTEL_VGA_DEVICE(0x0A1E, info), /* ULX GT2 mobile */ \
+ INTEL_VGA_DEVICE(0x0D16, info) /* CRW GT2 mobile */
+
+#define INTEL_HSW_GT3_IDS(info) \
+ INTEL_VGA_DEVICE(0x0422, info), /* GT3 desktop */ \
+ INTEL_VGA_DEVICE(0x042a, info), /* GT3 server */ \
+ INTEL_VGA_DEVICE(0x042B, info), /* GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x042E, info), /* GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0C22, info), /* SDV GT3 desktop */ \
+ INTEL_VGA_DEVICE(0x0C2A, info), /* SDV GT3 server */ \
+ INTEL_VGA_DEVICE(0x0C2B, info), /* SDV GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0C2E, info), /* SDV GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0A22, info), /* ULT GT3 desktop */ \
+ INTEL_VGA_DEVICE(0x0A2A, info), /* ULT GT3 server */ \
+ INTEL_VGA_DEVICE(0x0A2B, info), /* ULT GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0D22, info), /* CRW GT3 desktop */ \
+ INTEL_VGA_DEVICE(0x0D2A, info), /* CRW GT3 server */ \
+ INTEL_VGA_DEVICE(0x0D2B, info), /* CRW GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0D2E, info), /* CRW GT3 reserved */ \
+ INTEL_VGA_DEVICE(0x0C26, info), /* SDV GT3 mobile */ \
+ INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \
INTEL_VGA_DEVICE(0x0A2E, info), /* ULT GT3 reserved */ \
- INTEL_VGA_DEVICE(0x0D06, info), /* CRW GT1 mobile */ \
- INTEL_VGA_DEVICE(0x0D16, info), /* CRW GT2 mobile */ \
INTEL_VGA_DEVICE(0x0D26, info) /* CRW GT3 mobile */
+#define INTEL_HSW_IDS(info) \
+ INTEL_HSW_GT1_IDS(info), \
+ INTEL_HSW_GT2_IDS(info), \
+ INTEL_HSW_GT3_IDS(info)
+
#define INTEL_VLV_IDS(info) \
INTEL_VGA_DEVICE(0x0f30, info), \
INTEL_VGA_DEVICE(0x0f31, info), \
@@ -212,17 +245,19 @@
INTEL_VGA_DEVICE(0x0157, info), \
INTEL_VGA_DEVICE(0x0155, info)
-#define INTEL_BDW_GT12_IDS(info) \
+#define INTEL_BDW_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x1602, info), /* GT1 ULT */ \
INTEL_VGA_DEVICE(0x1606, info), /* GT1 ULT */ \
INTEL_VGA_DEVICE(0x160B, info), /* GT1 Iris */ \
INTEL_VGA_DEVICE(0x160E, info), /* GT1 ULX */ \
- INTEL_VGA_DEVICE(0x1612, info), /* GT2 Halo */ \
+ INTEL_VGA_DEVICE(0x160A, info), /* GT1 Server */ \
+ INTEL_VGA_DEVICE(0x160D, info) /* GT1 Workstation */
+
+#define INTEL_BDW_GT2_IDS(info) \
+ INTEL_VGA_DEVICE(0x1612, info), /* GT2 Halo */ \
INTEL_VGA_DEVICE(0x1616, info), /* GT2 ULT */ \
INTEL_VGA_DEVICE(0x161B, info), /* GT2 ULT */ \
- INTEL_VGA_DEVICE(0x161E, info), /* GT2 ULX */ \
- INTEL_VGA_DEVICE(0x160A, info), /* GT1 Server */ \
- INTEL_VGA_DEVICE(0x160D, info), /* GT1 Workstation */ \
+ INTEL_VGA_DEVICE(0x161E, info), /* GT2 ULX */ \
INTEL_VGA_DEVICE(0x161A, info), /* GT2 Server */ \
INTEL_VGA_DEVICE(0x161D, info) /* GT2 Workstation */
@@ -243,7 +278,8 @@
INTEL_VGA_DEVICE(0x163D, info) /* Workstation */
#define INTEL_BDW_IDS(info) \
- INTEL_BDW_GT12_IDS(info), \
+ INTEL_BDW_GT1_IDS(info), \
+ INTEL_BDW_GT2_IDS(info), \
INTEL_BDW_GT3_IDS(info), \
INTEL_BDW_RSVD_IDS(info)
@@ -303,7 +339,6 @@
#define INTEL_KBL_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x5913, info), /* ULT GT1.5 */ \
INTEL_VGA_DEVICE(0x5915, info), /* ULX GT1.5 */ \
- INTEL_VGA_DEVICE(0x5917, info), /* DT GT1.5 */ \
INTEL_VGA_DEVICE(0x5906, info), /* ULT GT1 */ \
INTEL_VGA_DEVICE(0x590E, info), /* ULX GT1 */ \
INTEL_VGA_DEVICE(0x5902, info), /* DT GT1 */ \
@@ -313,6 +348,7 @@
#define INTEL_KBL_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x5916, info), /* ULT GT2 */ \
+ INTEL_VGA_DEVICE(0x5917, info), /* Mobile GT2 */ \
INTEL_VGA_DEVICE(0x5921, info), /* ULT GT2F */ \
INTEL_VGA_DEVICE(0x591E, info), /* ULX GT2 */ \
INTEL_VGA_DEVICE(0x5912, info), /* DT GT2 */ \
@@ -335,20 +371,22 @@
INTEL_KBL_GT4_IDS(info)
/* CFL S */
-#define INTEL_CFL_S_IDS(info) \
+#define INTEL_CFL_S_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x3E90, info), /* SRV GT1 */ \
- INTEL_VGA_DEVICE(0x3E93, info), /* SRV GT1 */ \
+ INTEL_VGA_DEVICE(0x3E93, info) /* SRV GT1 */
+
+#define INTEL_CFL_S_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x3E91, info), /* SRV GT2 */ \
INTEL_VGA_DEVICE(0x3E92, info), /* SRV GT2 */ \
INTEL_VGA_DEVICE(0x3E96, info) /* SRV GT2 */
/* CFL H */
-#define INTEL_CFL_H_IDS(info) \
+#define INTEL_CFL_H_GT2_IDS(info) \
INTEL_VGA_DEVICE(0x3E9B, info), /* Halo GT2 */ \
INTEL_VGA_DEVICE(0x3E94, info) /* Halo GT2 */
/* CFL U */
-#define INTEL_CFL_U_IDS(info) \
+#define INTEL_CFL_U_GT3_IDS(info) \
INTEL_VGA_DEVICE(0x3EA6, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x3EA7, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x3EA8, info), /* ULT GT3 */ \
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_memory.h b/include/drm/ttm/ttm_memory.h
index c4520890f267..2c1e3598effe 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -150,10 +150,9 @@ extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
extern void ttm_mem_global_free(struct ttm_mem_global *glob,
uint64_t amount);
extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
- struct page *page,
- bool no_wait, bool interruptible);
+ struct page *page, uint64_t size);
extern void ttm_mem_global_free_page(struct ttm_mem_global *glob,
- struct page *page);
+ struct page *page, uint64_t size);
extern size_t ttm_round_pot(size_t size);
extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob);
#endif
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