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-rw-r--r--include/drm/drmP.h4
-rw-r--r--include/drm/drm_auth.h21
-rw-r--r--include/drm/drm_lease.h46
-rw-r--r--include/drm/drm_mode_object.h3
-rw-r--r--include/drm/drm_vblank.h19
-rw-r--r--include/linux/dma-fence.h2
-rw-r--r--include/linux/host1x.h2
-rw-r--r--include/uapi/drm/drm.h41
-rw-r--r--include/uapi/drm/drm_mode.h66
-rw-r--r--include/uapi/drm/vc4_drm.h19
10 files changed, 217 insertions, 6 deletions
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_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_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_object.h b/include/drm/drm_mode_object.h
index b2f920b518e3..7ba3913f30b5 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -24,6 +24,7 @@
#define __DRM_MODESET_H__
#include <linux/kref.h>
+#include <drm/drm_lease.h>
struct drm_object_properties;
struct drm_property;
struct drm_device;
@@ -153,4 +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_vblank.h b/include/drm/drm_vblank.h
index 6a58e2e91a0f..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;
};
/**
@@ -88,7 +96,7 @@ struct drm_vblank_crtc {
/**
* @count: Current software vblank counter.
*/
- u32 count;
+ u64 count;
/**
* @time: Vblank timestamp corresponding to @count.
*/
@@ -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,
+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);
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index ca974224d92e..efdabbb64e3c 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -128,7 +128,7 @@ struct dma_fence_cb {
* implementation know that there is another driver waiting on
* the signal (ie. hw->sw case).
*
- * This function can be called called from atomic context, but not
+ * This function can be called from atomic context, but not
* from irq context, so normal spinlocks can be used.
*
* A return value of false indicates the fence already passed,
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index 630b1a98ab58..ddf7f9ca86cc 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -157,7 +157,7 @@ int host1x_syncpt_incr(struct host1x_syncpt *sp);
u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs);
int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout,
u32 *value);
-struct host1x_syncpt *host1x_syncpt_request(struct device *dev,
+struct host1x_syncpt *host1x_syncpt_request(struct host1x_client *client,
unsigned long flags);
void host1x_syncpt_free(struct host1x_syncpt *sp);
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 97677cd6964d..6fdff5945c8a 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -737,6 +737,28 @@ struct drm_syncobj_array {
__u32 pad;
};
+/* Query current scanout sequence number */
+struct drm_crtc_get_sequence {
+ __u32 crtc_id; /* requested crtc_id */
+ __u32 active; /* return: crtc output is active */
+ __u64 sequence; /* return: most recent vblank sequence */
+ __s64 sequence_ns; /* return: most recent time of first pixel out */
+};
+
+/* Queue event to be delivered at specified sequence. Time stamp marks
+ * when the first pixel of the refresh cycle leaves the display engine
+ * for the display
+ */
+#define DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */
+#define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */
+
+struct drm_crtc_queue_sequence {
+ __u32 crtc_id;
+ __u32 flags;
+ __u64 sequence; /* on input, target sequence. on output, actual sequence */
+ __u64 user_data; /* user data passed to event */
+};
+
#if defined(__cplusplus)
}
#endif
@@ -819,6 +841,9 @@ extern "C" {
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
+#define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct drm_crtc_get_sequence)
+#define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct drm_crtc_queue_sequence)
+
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res)
@@ -863,6 +888,11 @@ extern "C" {
#define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array)
#define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array)
+#define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0xC6, struct drm_mode_create_lease)
+#define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0xC7, struct drm_mode_list_lessees)
+#define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease)
+#define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
+
/**
* Device specific ioctls should only be in their respective headers
* The device specific ioctl range is from 0x40 to 0x9f.
@@ -893,6 +923,7 @@ struct drm_event {
#define DRM_EVENT_VBLANK 0x01
#define DRM_EVENT_FLIP_COMPLETE 0x02
+#define DRM_EVENT_CRTC_SEQUENCE 0x03
struct drm_event_vblank {
struct drm_event base;
@@ -903,6 +934,16 @@ struct drm_event_vblank {
__u32 crtc_id; /* 0 on older kernels that do not support this */
};
+/* Event delivered at sequence. Time stamp marks when the first pixel
+ * of the refresh cycle leaves the display engine for the display
+ */
+struct drm_event_crtc_sequence {
+ struct drm_event base;
+ __u64 user_data;
+ __s64 time_ns;
+ __u64 sequence;
+};
+
/* typedef area */
#ifndef __KERNEL__
typedef struct drm_clip_rect drm_clip_rect_t;
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 34b6bb34b002..5597a87154e5 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -782,6 +782,72 @@ struct drm_mode_destroy_blob {
__u32 blob_id;
};
+/**
+ * Lease mode resources, creating another drm_master.
+ */
+struct drm_mode_create_lease {
+ /** Pointer to array of object ids (__u32) */
+ __u64 object_ids;
+ /** Number of object ids */
+ __u32 object_count;
+ /** flags for new FD (O_CLOEXEC, etc) */
+ __u32 flags;
+
+ /** Return: unique identifier for lessee. */
+ __u32 lessee_id;
+ /** Return: file descriptor to new drm_master file */
+ __u32 fd;
+};
+
+/**
+ * List lesses from a drm_master
+ */
+struct drm_mode_list_lessees {
+ /** Number of lessees.
+ * On input, provides length of the array.
+ * On output, provides total number. No
+ * more than the input number will be written
+ * back, so two calls can be used to get
+ * the size and then the data.
+ */
+ __u32 count_lessees;
+ __u32 pad;
+
+ /** Pointer to lessees.
+ * pointer to __u64 array of lessee ids
+ */
+ __u64 lessees_ptr;
+};
+
+/**
+ * Get leased objects
+ */
+struct drm_mode_get_lease {
+ /** Number of leased objects.
+ * On input, provides length of the array.
+ * On output, provides total number. No
+ * more than the input number will be written
+ * back, so two calls can be used to get
+ * the size and then the data.
+ */
+ __u32 count_objects;
+ __u32 pad;
+
+ /** Pointer to objects.
+ * pointer to __u32 array of object ids
+ */
+ __u64 objects_ptr;
+};
+
+/**
+ * Revoke lease
+ */
+struct drm_mode_revoke_lease {
+ /** Unique ID of lessee
+ */
+ __u32 lessee_id;
+};
+
#if defined(__cplusplus)
}
#endif
diff --git a/include/uapi/drm/vc4_drm.h b/include/uapi/drm/vc4_drm.h
index afae87004963..52263b575bdc 100644
--- a/include/uapi/drm/vc4_drm.h
+++ b/include/uapi/drm/vc4_drm.h
@@ -41,6 +41,7 @@ extern "C" {
#define DRM_VC4_SET_TILING 0x08
#define DRM_VC4_GET_TILING 0x09
#define DRM_VC4_LABEL_BO 0x0a
+#define DRM_VC4_GEM_MADVISE 0x0b
#define DRM_IOCTL_VC4_SUBMIT_CL DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl)
#define DRM_IOCTL_VC4_WAIT_SEQNO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno)
@@ -53,6 +54,7 @@ extern "C" {
#define DRM_IOCTL_VC4_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SET_TILING, struct drm_vc4_set_tiling)
#define DRM_IOCTL_VC4_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_TILING, struct drm_vc4_get_tiling)
#define DRM_IOCTL_VC4_LABEL_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_LABEL_BO, struct drm_vc4_label_bo)
+#define DRM_IOCTL_VC4_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GEM_MADVISE, struct drm_vc4_gem_madvise)
struct drm_vc4_submit_rcl_surface {
__u32 hindex; /* Handle index, or ~0 if not present. */
@@ -305,6 +307,7 @@ struct drm_vc4_get_hang_state {
#define DRM_VC4_PARAM_SUPPORTS_ETC1 4
#define DRM_VC4_PARAM_SUPPORTS_THREADED_FS 5
#define DRM_VC4_PARAM_SUPPORTS_FIXED_RCL_ORDER 6
+#define DRM_VC4_PARAM_SUPPORTS_MADVISE 7
struct drm_vc4_get_param {
__u32 param;
@@ -333,6 +336,22 @@ struct drm_vc4_label_bo {
__u64 name;
};
+/*
+ * States prefixed with '__' are internal states and cannot be passed to the
+ * DRM_IOCTL_VC4_GEM_MADVISE ioctl.
+ */
+#define VC4_MADV_WILLNEED 0
+#define VC4_MADV_DONTNEED 1
+#define __VC4_MADV_PURGED 2
+#define __VC4_MADV_NOTSUPP 3
+
+struct drm_vc4_gem_madvise {
+ __u32 handle;
+ __u32 madv;
+ __u32 retained;
+ __u32 pad;
+};
+
#if defined(__cplusplus)
}
#endif

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