drm: Clarify vblank ts/scanoutpos sampling #defines

[firefly-linux-kernel-4.4.55.git] / include / drm / drmP.h

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index c480b448ce65af439abc0d5de0122549751418fe..7b87fccff1830fe4beae3f18643899e23b3ea24d 100644 (file)
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -151,8 +151,6 @@ int drm_err(const char *func, const char *format, ...);
                                     also include looping detection. */
 
 #define DRM_MAGIC_HASH_ORDER  4  /**< Size of key hash table. Must be power of 2. */
-#define DRM_KERNEL_CONTEXT    0         /**< Change drm_resctx if changed */
-#define DRM_RESERVED_CONTEXTS 1         /**< Change drm_resctx if changed */
 
 #define DRM_MAP_HASH_OFFSET 0x10000000
 
@@ -535,15 +533,6 @@ struct drm_map_list {
        struct drm_master *master;
 };
 
-/**
- * Context handle list
- */
-struct drm_ctx_list {
-       struct list_head head;          /**< list head */
-       drm_context_t handle;           /**< context handle */
-       struct drm_file *tag;           /**< associated fd private data */
-};
-
 /* location of GART table */
 #define DRM_ATI_GART_MAIN 1
 #define DRM_ATI_GART_FB   2
@@ -685,11 +674,11 @@ struct drm_master {
 /* Flags and return codes for get_vblank_timestamp() driver function. */
 #define DRM_CALLED_FROM_VBLIRQ 1
 #define DRM_VBLANKTIME_SCANOUTPOS_METHOD (1 << 0)
-#define DRM_VBLANKTIME_INVBL             (1 << 1)
+#define DRM_VBLANKTIME_IN_VBLANK         (1 << 1)
 
 /* get_scanout_position() return flags */
 #define DRM_SCANOUTPOS_VALID        (1 << 0)
-#define DRM_SCANOUTPOS_INVBL        (1 << 1)
+#define DRM_SCANOUTPOS_IN_VBLANK    (1 << 1)
 #define DRM_SCANOUTPOS_ACCURATE     (1 << 2)
 
 struct drm_bus {
@@ -1085,6 +1074,16 @@ struct drm_device {
         */
        bool vblank_disable_allowed;
 
+       /*
+        * If true, vblank interrupt will be disabled immediately when the
+        * refcount drops to zero, as opposed to via the vblank disable
+        * timer.
+        * This can be set to true it the hardware has a working vblank
+        * counter and the driver uses drm_vblank_on() and drm_vblank_off()
+        * appropriately.
+        */
+       bool vblank_disable_immediate;
+
        /* array of size num_crtcs */
        struct drm_vblank_crtc *vblank;
 
@@ -1236,30 +1235,6 @@ extern int drm_setversion(struct drm_device *dev, void *data,
 extern int drm_noop(struct drm_device *dev, void *data,
                    struct drm_file *file_priv);
 
-                               /* Context IOCTL support (drm_context.h) */
-extern int drm_resctx(struct drm_device *dev, void *data,
-                     struct drm_file *file_priv);
-extern int drm_addctx(struct drm_device *dev, void *data,
-                     struct drm_file *file_priv);
-extern int drm_getctx(struct drm_device *dev, void *data,
-                     struct drm_file *file_priv);
-extern int drm_switchctx(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv);
-extern int drm_newctx(struct drm_device *dev, void *data,
-                     struct drm_file *file_priv);
-extern int drm_rmctx(struct drm_device *dev, void *data,
-                    struct drm_file *file_priv);
-
-extern int drm_ctxbitmap_init(struct drm_device *dev);
-extern void drm_ctxbitmap_cleanup(struct drm_device *dev);
-extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
-extern void drm_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
-
-extern int drm_setsareactx(struct drm_device *dev, void *data,
-                          struct drm_file *file_priv);
-extern int drm_getsareactx(struct drm_device *dev, void *data,
-                          struct drm_file *file_priv);
-
                                /* Authentication IOCTL support (drm_auth.h) */
 extern int drm_getmagic(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
@@ -1345,8 +1320,6 @@ extern void drm_crtc_vblank_off(struct drm_crtc *crtc);
 extern void drm_crtc_vblank_on(struct drm_crtc *crtc);
 extern void drm_vblank_cleanup(struct drm_device *dev);
 
-extern u32 drm_get_last_vbltimestamp(struct drm_device *dev, int crtc,
-                                    struct timeval *tvblank, unsigned flags);
 extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
                                                 int crtc, int *max_error,
                                                 struct timeval *vblank_time,
@@ -1380,7 +1353,7 @@ extern void drm_put_dev(struct drm_device *dev);
 extern void drm_unplug_dev(struct drm_device *dev);
 extern unsigned int drm_debug;
 
-extern unsigned int drm_vblank_offdelay;
+extern int drm_vblank_offdelay;
 extern unsigned int drm_timestamp_precision;
 extern unsigned int drm_timestamp_monotonic;
 
@@ -1502,9 +1475,8 @@ extern int drm_pci_set_unique(struct drm_device *dev,
 struct drm_sysfs_class;
 extern struct class *drm_sysfs_create(struct module *owner, char *name);
 extern void drm_sysfs_destroy(void);
-extern int drm_sysfs_device_add(struct drm_minor *minor);
+extern struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
 extern void drm_sysfs_hotplug_event(struct drm_device *dev);
-extern void drm_sysfs_device_remove(struct drm_minor *minor);
 extern int drm_sysfs_connector_add(struct drm_connector *connector);
 extern void drm_sysfs_connector_remove(struct drm_connector *connector);