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authorLucas De Marchi <lucas.demarchi@intel.com>2024-08-16 10:05:54 -0700
committerLucas De Marchi <lucas.demarchi@intel.com>2024-08-16 10:33:54 -0700
commited7171ff9fabc49ae6ed42fbd082a576473836fc (patch)
tree62bc21b9b590a7fefb27b6103a121f4386e1815f /include/drm
parentdb3461a7743817ad7c73553902231b096616813a (diff)
parenta809b92ee0f84c3f655b16a8b4d04bc3665d954a (diff)
Merge drm/drm-next into drm-xe-next
Get drm-xe-next on v6.11-rc2 and synchronized with drm-intel-next for the display side. This resolves the current conflict for the enable_display module parameter and allows further pending refactors. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/bridge/analogix_dp.h4
-rw-r--r--include/drm/display/drm_dp.h4
-rw-r--r--include/drm/display/drm_dp_helper.h3
-rw-r--r--include/drm/display/drm_dp_mst_helper.h2
-rw-r--r--include/drm/display/drm_dsc_helper.h3
-rw-r--r--include/drm/display/drm_hdmi_state_helper.h2
-rw-r--r--include/drm/drm_connector.h8
-rw-r--r--include/drm/drm_device.h5
-rw-r--r--include/drm/drm_fixed.h23
-rw-r--r--include/drm/drm_mipi_dsi.h7
-rw-r--r--include/drm/drm_plane.h2
-rw-r--r--include/drm/drm_vblank.h37
-rw-r--r--include/drm/drm_vblank_work.h2
-rw-r--r--include/drm/gpu_scheduler.h2
-rw-r--r--include/drm/ttm/ttm_bo.h52
-rw-r--r--include/drm/ttm/ttm_resource.h97
16 files changed, 216 insertions, 37 deletions
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index b0dcc07334a1..6002c5666031 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -29,8 +29,7 @@ struct analogix_dp_plat_data {
struct drm_connector *connector;
bool skip_connector;
- int (*power_on_start)(struct analogix_dp_plat_data *);
- int (*power_on_end)(struct analogix_dp_plat_data *);
+ int (*power_on)(struct analogix_dp_plat_data *);
int (*power_off)(struct analogix_dp_plat_data *);
int (*attach)(struct analogix_dp_plat_data *, struct drm_bridge *,
struct drm_connector *);
@@ -45,7 +44,6 @@ struct analogix_dp_device *
analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data);
int analogix_dp_bind(struct analogix_dp_device *dp, struct drm_device *drm_dev);
void analogix_dp_unbind(struct analogix_dp_device *dp);
-void analogix_dp_remove(struct analogix_dp_device *dp);
int analogix_dp_start_crc(struct drm_connector *connector);
int analogix_dp_stop_crc(struct drm_connector *connector);
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 173548c6473a..a6f8b098c56f 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -1543,6 +1543,10 @@ enum drm_dp_phy {
#define DP_SYMBOL_ERROR_COUNT_LANE2_PHY_REPEATER1 0xf0039 /* 1.3 */
#define DP_SYMBOL_ERROR_COUNT_LANE3_PHY_REPEATER1 0xf003b /* 1.3 */
+#define DP_OUI_PHY_REPEATER1 0xf003d /* 1.3 */
+#define DP_OUI_PHY_REPEATER(dp_phy) \
+ DP_LTTPR_REG(dp_phy, DP_OUI_PHY_REPEATER1)
+
#define __DP_FEC1_BASE 0xf0290 /* 1.4 */
#define __DP_FEC2_BASE 0xf0298 /* 1.4 */
#define DP_FEC_BASE(dp_phy) \
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index ea03e1dd26ba..279624833ea9 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -112,6 +112,7 @@ struct drm_dp_vsc_sdp {
* @target_rr: Target Refresh
* @duration_incr_ms: Successive frame duration increase
* @duration_decr_ms: Successive frame duration decrease
+ * @target_rr_divider: Target refresh rate divider
* @mode: Adaptive Sync Operation Mode
*/
struct drm_dp_as_sdp {
@@ -657,6 +658,8 @@ struct drm_dp_desc {
int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc,
bool is_branch);
+int drm_dp_dump_lttpr_desc(struct drm_dp_aux *aux, enum drm_dp_phy dp_phy);
+
/**
* enum drm_dp_quirk - Display Port sink/branch device specific quirks
*
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index cfe096389d94..02b037d3a93f 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -885,6 +885,8 @@ int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);
void drm_dp_mst_dump_topology(struct seq_file *m,
struct drm_dp_mst_topology_mgr *mgr);
+void drm_dp_mst_topology_queue_probe(struct drm_dp_mst_topology_mgr *mgr);
+
void drm_dp_mst_topology_mgr_suspend(struct drm_dp_mst_topology_mgr *mgr);
int __must_check
drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr,
diff --git a/include/drm/display/drm_dsc_helper.h b/include/drm/display/drm_dsc_helper.h
index 913aa2071232..2c2b9033f60f 100644
--- a/include/drm/display/drm_dsc_helper.h
+++ b/include/drm/display/drm_dsc_helper.h
@@ -17,6 +17,8 @@ enum drm_dsc_params_type {
DRM_DSC_1_2_420,
};
+struct drm_printer;
+
void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header);
int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size);
void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp,
@@ -28,6 +30,7 @@ int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);
u8 drm_dsc_initial_scale_value(const struct drm_dsc_config *dsc);
u32 drm_dsc_flatness_det_thresh(const struct drm_dsc_config *dsc);
u32 drm_dsc_get_bpp_int(const struct drm_dsc_config *vdsc_cfg);
+void drm_dsc_dump_config(struct drm_printer *p, int indent, const struct drm_dsc_config *cfg);
#endif /* _DRM_DSC_HELPER_H_ */
diff --git a/include/drm/display/drm_hdmi_state_helper.h b/include/drm/display/drm_hdmi_state_helper.h
index 285f366cf716..2d45fcfa4619 100644
--- a/include/drm/display/drm_hdmi_state_helper.h
+++ b/include/drm/display/drm_hdmi_state_helper.h
@@ -16,7 +16,7 @@ int drm_atomic_helper_connector_hdmi_check(struct drm_connector *connector,
int drm_atomic_helper_connector_hdmi_update_audio_infoframe(struct drm_connector *connector,
struct hdmi_audio_infoframe *frame);
-int drm_atomic_helper_connector_hdmi_disable_audio_infoframe(struct drm_connector *connector);
+int drm_atomic_helper_connector_hdmi_clear_audio_infoframe(struct drm_connector *connector);
int drm_atomic_helper_connector_hdmi_update_infoframes(struct drm_connector *connector,
struct drm_atomic_state *state);
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index c754651044d4..e3fa43291f44 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -471,14 +471,6 @@ enum drm_privacy_screen_status {
*
* DP definitions come from the DP v2.0 spec
* HDMI definitions come from the CTA-861-H spec
- *
- * A note on YCC and RGB variants:
- *
- * Since userspace is not aware of the encoding on the wire
- * (RGB or YCbCr), drivers are free to pick the appropriate
- * variant, regardless of what userspace selects. E.g., if
- * BT2020_RGB is selected by userspace a driver will pick
- * BT2020_YCC if the encoding on the wire is YUV444 or YUV420.
*
* @DRM_MODE_COLORIMETRY_DEFAULT:
* Driver specific behavior.
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 63767cf24371..c91f87b5242d 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -213,8 +213,9 @@ struct drm_device {
* This can be set to true it the hardware has a working vblank counter
* with high-precision timestamping (otherwise there are races) and the
* driver uses drm_crtc_vblank_on() and drm_crtc_vblank_off()
- * appropriately. See also @max_vblank_count and
- * &drm_crtc_funcs.get_vblank_counter.
+ * appropriately. Also, see @max_vblank_count,
+ * &drm_crtc_funcs.get_vblank_counter and
+ * &drm_vblank_crtc_config.disable_immediate.
*/
bool vblank_disable_immediate;
diff --git a/include/drm/drm_fixed.h b/include/drm/drm_fixed.h
index 81572d32db0c..ef8bc8d72039 100644
--- a/include/drm/drm_fixed.h
+++ b/include/drm/drm_fixed.h
@@ -214,4 +214,27 @@ static inline s64 drm_fixp_exp(s64 x)
return sum;
}
+static inline int fxp_q4_from_int(int val_int)
+{
+ return val_int << 4;
+}
+
+static inline int fxp_q4_to_int(int val_q4)
+{
+ return val_q4 >> 4;
+}
+
+static inline int fxp_q4_to_int_roundup(int val_q4)
+{
+ return (val_q4 + 0xf) >> 4;
+}
+
+static inline int fxp_q4_to_frac(int val_q4)
+{
+ return val_q4 & 0xf;
+}
+
+#define FXP_Q4_FMT "%d.%04d"
+#define FXP_Q4_ARGS(val_q4) fxp_q4_to_int(val_q4), (fxp_q4_to_frac(val_q4) * 625)
+
#endif
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 71d121aeef24..0f520eeeaa8e 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -10,6 +10,7 @@
#define __DRM_MIPI_DSI_H__
#include <linux/device.h>
+#include <linux/delay.h>
struct mipi_dsi_host;
struct mipi_dsi_device;
@@ -297,6 +298,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
msleep(delay); \
} while (0)
+#define mipi_dsi_usleep_range(ctx, min, max) \
+ do { \
+ if (!(ctx)->accum_err) \
+ usleep_range(min, max); \
+ } while (0)
+
/**
* enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
* @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 9507542121fa..dd718c62ac31 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -972,6 +972,8 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
#define drm_for_each_plane(plane, dev) \
list_for_each_entry(plane, &(dev)->mode_config.plane_list, head)
+bool drm_plane_has_format(struct drm_plane *plane,
+ u32 format, u64 modifier);
bool drm_any_plane_has_format(struct drm_device *dev,
u32 format, u64 modifier);
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index c8f829b4307c..151ab1e85b1b 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -79,6 +79,31 @@ struct drm_pending_vblank_event {
};
/**
+ * struct drm_vblank_crtc_config - vblank configuration for a CRTC
+ */
+struct drm_vblank_crtc_config {
+ /**
+ * @offdelay_ms: Vblank off delay in ms, used to determine how long
+ * &drm_vblank_crtc.disable_timer waits before disabling.
+ *
+ * Defaults to the value of drm_vblank_offdelay in drm_crtc_vblank_on().
+ */
+ int offdelay_ms;
+
+ /**
+ * @disable_immediate: See &drm_device.vblank_disable_immediate
+ * for the exact semantics of immediate vblank disabling.
+ *
+ * Additionally, this tracks the disable immediate value per crtc, just
+ * in case it needs to differ from the default value for a given device.
+ *
+ * Defaults to the value of &drm_device.vblank_disable_immediate in
+ * drm_crtc_vblank_on().
+ */
+ bool disable_immediate;
+};
+
+/**
* struct drm_vblank_crtc - vblank tracking for a CRTC
*
* This structure tracks the vblank state for one CRTC.
@@ -99,8 +124,8 @@ struct drm_vblank_crtc {
wait_queue_head_t queue;
/**
* @disable_timer: Disable timer for the delayed vblank disabling
- * hysteresis logic. Vblank disabling is controlled through the
- * drm_vblank_offdelay module option and the setting of the
+ * hysteresis logic. Vblank disabling is controlled through
+ * &drm_vblank_crtc_config.offdelay_ms and the setting of the
* &drm_device.max_vblank_count value.
*/
struct timer_list disable_timer;
@@ -199,6 +224,12 @@ struct drm_vblank_crtc {
struct drm_display_mode hwmode;
/**
+ * @config: Stores vblank configuration values for a given CRTC.
+ * Also, see drm_crtc_vblank_on_config().
+ */
+ struct drm_vblank_crtc_config config;
+
+ /**
* @enabled: Tracks the enabling state of the corresponding &drm_crtc to
* avoid double-disabling and hence corrupting saved state. Needed by
* drivers not using atomic KMS, since those might go through their CRTC
@@ -247,6 +278,8 @@ void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe);
void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
void drm_crtc_vblank_off(struct drm_crtc *crtc);
void drm_crtc_vblank_reset(struct drm_crtc *crtc);
+void drm_crtc_vblank_on_config(struct drm_crtc *crtc,
+ const struct drm_vblank_crtc_config *config);
void drm_crtc_vblank_on(struct drm_crtc *crtc);
u64 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc);
void drm_crtc_vblank_restore(struct drm_crtc *crtc);
diff --git a/include/drm/drm_vblank_work.h b/include/drm/drm_vblank_work.h
index eb41d0810c4f..e04d436b7297 100644
--- a/include/drm/drm_vblank_work.h
+++ b/include/drm/drm_vblank_work.h
@@ -17,6 +17,7 @@ struct drm_crtc;
* drm_vblank_work_init()
* drm_vblank_work_cancel_sync()
* drm_vblank_work_flush()
+ * drm_vblank_work_flush_all()
*/
struct drm_vblank_work {
/**
@@ -67,5 +68,6 @@ void drm_vblank_work_init(struct drm_vblank_work *work, struct drm_crtc *crtc,
void (*func)(struct kthread_work *work));
bool drm_vblank_work_cancel_sync(struct drm_vblank_work *work);
void drm_vblank_work_flush(struct drm_vblank_work *work);
+void drm_vblank_work_flush_all(struct drm_crtc *crtc);
#endif /* !_DRM_VBLANK_WORK_H_ */
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 5acc64954a88..fe8edb917360 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -579,7 +579,7 @@ bool drm_sched_wqueue_ready(struct drm_gpu_scheduler *sched);
void drm_sched_wqueue_stop(struct drm_gpu_scheduler *sched);
void drm_sched_wqueue_start(struct drm_gpu_scheduler *sched);
void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad);
-void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery);
+void drm_sched_start(struct drm_gpu_scheduler *sched);
void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);
void drm_sched_increase_karma(struct drm_sched_job *bad);
void drm_sched_reset_karma(struct drm_sched_job *bad);
diff --git a/include/drm/ttm/ttm_bo.h b/include/drm/ttm/ttm_bo.h
index 6ccf96c91f3a..d1a732d56259 100644
--- a/include/drm/ttm/ttm_bo.h
+++ b/include/drm/ttm/ttm_bo.h
@@ -39,7 +39,11 @@
#include "ttm_device.h"
/* Default number of pre-faulted pages in the TTM fault handler */
+#if CONFIG_PGTABLE_LEVELS > 2
+#define TTM_BO_VM_NUM_PREFAULT (1 << (PMD_SHIFT - PAGE_SHIFT))
+#else
#define TTM_BO_VM_NUM_PREFAULT 16
+#endif
struct iosys_map;
@@ -190,6 +194,41 @@ struct ttm_operation_ctx {
uint64_t bytes_moved;
};
+struct ttm_lru_walk;
+
+/** struct ttm_lru_walk_ops - Operations for a LRU walk. */
+struct ttm_lru_walk_ops {
+ /**
+ * process_bo - Process this bo.
+ * @walk: struct ttm_lru_walk describing the walk.
+ * @bo: A locked and referenced buffer object.
+ *
+ * Return: Negative error code on error, User-defined positive value
+ * (typically, but not always, size of the processed bo) on success.
+ * On success, the returned values are summed by the walk and the
+ * walk exits when its target is met.
+ * 0 also indicates success, -EBUSY means this bo was skipped.
+ */
+ s64 (*process_bo)(struct ttm_lru_walk *walk, struct ttm_buffer_object *bo);
+};
+
+/**
+ * struct ttm_lru_walk - Structure describing a LRU walk.
+ */
+struct ttm_lru_walk {
+ /** @ops: Pointer to the ops structure. */
+ const struct ttm_lru_walk_ops *ops;
+ /** @ctx: Pointer to the struct ttm_operation_ctx. */
+ struct ttm_operation_ctx *ctx;
+ /** @ticket: The struct ww_acquire_ctx if any. */
+ struct ww_acquire_ctx *ticket;
+ /** @tryock_only: Only use trylock for locking. */
+ bool trylock_only;
+};
+
+s64 ttm_lru_walk_for_evict(struct ttm_lru_walk *walk, struct ttm_device *bdev,
+ struct ttm_resource_manager *man, s64 target);
+
/**
* ttm_bo_get - reference a struct ttm_buffer_object
*
@@ -378,15 +417,14 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
int ttm_bo_vmap(struct ttm_buffer_object *bo, struct iosys_map *map);
void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct iosys_map *map);
int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
-int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
- gfp_t gfp_flags);
+s64 ttm_bo_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx,
+ struct ttm_resource_manager *man, gfp_t gfp_flags,
+ s64 target);
void ttm_bo_pin(struct ttm_buffer_object *bo);
void ttm_bo_unpin(struct ttm_buffer_object *bo);
-int ttm_mem_evict_first(struct ttm_device *bdev,
- struct ttm_resource_manager *man,
- const struct ttm_place *place,
- struct ttm_operation_ctx *ctx,
- struct ww_acquire_ctx *ticket);
+int ttm_bo_evict_first(struct ttm_device *bdev,
+ struct ttm_resource_manager *man,
+ struct ttm_operation_ctx *ctx);
vm_fault_t ttm_bo_vm_reserve(struct ttm_buffer_object *bo,
struct vm_fault *vmf);
vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 69769355139f..be034be56ba1 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -49,6 +49,43 @@ struct io_mapping;
struct sg_table;
struct scatterlist;
+/**
+ * enum ttm_lru_item_type - enumerate ttm_lru_item subclasses
+ */
+enum ttm_lru_item_type {
+ /** @TTM_LRU_RESOURCE: The resource subclass */
+ TTM_LRU_RESOURCE,
+ /** @TTM_LRU_HITCH: The iterator hitch subclass */
+ TTM_LRU_HITCH
+};
+
+/**
+ * struct ttm_lru_item - The TTM lru list node base class
+ * @link: The list link
+ * @type: The subclass type
+ */
+struct ttm_lru_item {
+ struct list_head link;
+ enum ttm_lru_item_type type;
+};
+
+/**
+ * ttm_lru_item_init() - initialize a struct ttm_lru_item
+ * @item: The item to initialize
+ * @type: The subclass type
+ */
+static inline void ttm_lru_item_init(struct ttm_lru_item *item,
+ enum ttm_lru_item_type type)
+{
+ item->type = type;
+ INIT_LIST_HEAD(&item->link);
+}
+
+static inline bool ttm_lru_item_is_res(const struct ttm_lru_item *item)
+{
+ return item->type == TTM_LRU_RESOURCE;
+}
+
struct ttm_resource_manager_func {
/**
* struct ttm_resource_manager_func member alloc
@@ -217,19 +254,20 @@ struct ttm_resource {
/**
* @lru: Least recently used list, see &ttm_resource_manager.lru
*/
- struct list_head lru;
+ struct ttm_lru_item lru;
};
/**
- * struct ttm_resource_cursor
+ * ttm_lru_item_to_res() - Downcast a struct ttm_lru_item to a struct ttm_resource
+ * @item: The struct ttm_lru_item to downcast
*
- * @priority: the current priority
- *
- * Cursor to iterate over the resources in a manager.
+ * Return: Pointer to the embedding struct ttm_resource
*/
-struct ttm_resource_cursor {
- unsigned int priority;
-};
+static inline struct ttm_resource *
+ttm_lru_item_to_res(struct ttm_lru_item *item)
+{
+ return container_of(item, struct ttm_resource, lru);
+}
/**
* struct ttm_lru_bulk_move_pos
@@ -246,8 +284,9 @@ struct ttm_lru_bulk_move_pos {
/**
* struct ttm_lru_bulk_move
- *
* @pos: first/last lru entry for resources in the each domain/priority
+ * @cursor_list: The list of cursors currently traversing any of
+ * the sublists of @pos. Protected by the ttm device's lru_lock.
*
* Container for the current bulk move state. Should be used with
* ttm_lru_bulk_move_init() and ttm_bo_set_bulk_move().
@@ -257,9 +296,38 @@ struct ttm_lru_bulk_move_pos {
*/
struct ttm_lru_bulk_move {
struct ttm_lru_bulk_move_pos pos[TTM_NUM_MEM_TYPES][TTM_MAX_BO_PRIORITY];
+ struct list_head cursor_list;
};
/**
+ * struct ttm_resource_cursor
+ * @man: The resource manager currently being iterated over
+ * @hitch: A hitch list node inserted before the next resource
+ * to iterate over.
+ * @bulk_link: A list link for the list of cursors traversing the
+ * bulk sublist of @bulk. Protected by the ttm device's lru_lock.
+ * @bulk: Pointer to struct ttm_lru_bulk_move whose subrange @hitch is
+ * inserted to. NULL if none. Never dereference this pointer since
+ * the struct ttm_lru_bulk_move object pointed to might have been
+ * freed. The pointer is only for comparison.
+ * @mem_type: The memory type of the LRU list being traversed.
+ * This field is valid iff @bulk != NULL.
+ * @priority: the current priority
+ *
+ * Cursor to iterate over the resources in a manager.
+ */
+struct ttm_resource_cursor {
+ struct ttm_resource_manager *man;
+ struct ttm_lru_item hitch;
+ struct list_head bulk_link;
+ struct ttm_lru_bulk_move *bulk;
+ unsigned int mem_type;
+ unsigned int priority;
+};
+
+void ttm_resource_cursor_fini(struct ttm_resource_cursor *cursor);
+
+/**
* struct ttm_kmap_iter_iomap - Specialization for a struct io_mapping +
* struct sg_table backed struct ttm_resource.
* @base: Embedded struct ttm_kmap_iter providing the usage interface.
@@ -347,6 +415,8 @@ ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
void ttm_lru_bulk_move_init(struct ttm_lru_bulk_move *bulk);
void ttm_lru_bulk_move_tail(struct ttm_lru_bulk_move *bulk);
+void ttm_lru_bulk_move_fini(struct ttm_device *bdev,
+ struct ttm_lru_bulk_move *bulk);
void ttm_resource_add_bulk_move(struct ttm_resource *res,
struct ttm_buffer_object *bo);
@@ -389,9 +459,10 @@ struct ttm_resource *
ttm_resource_manager_first(struct ttm_resource_manager *man,
struct ttm_resource_cursor *cursor);
struct ttm_resource *
-ttm_resource_manager_next(struct ttm_resource_manager *man,
- struct ttm_resource_cursor *cursor,
- struct ttm_resource *res);
+ttm_resource_manager_next(struct ttm_resource_cursor *cursor);
+
+struct ttm_resource *
+ttm_lru_first_res_or_null(struct list_head *head);
/**
* ttm_resource_manager_for_each_res - iterate over all resources
@@ -403,7 +474,7 @@ ttm_resource_manager_next(struct ttm_resource_manager *man,
*/
#define ttm_resource_manager_for_each_res(man, cursor, res) \
for (res = ttm_resource_manager_first(man, cursor); res; \
- res = ttm_resource_manager_next(man, cursor, res))
+ res = ttm_resource_manager_next(cursor))
struct ttm_kmap_iter *
ttm_kmap_iter_iomap_init(struct ttm_kmap_iter_iomap *iter_io,