summaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/hdmi.h24
-rw-r--r--include/linux/reservation.h12
2 files changed, 27 insertions, 9 deletions
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index 4f3febc0f971..d2bacf502429 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -163,6 +163,9 @@ struct hdmi_avi_infoframe {
int hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame);
ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, void *buffer,
size_t size);
+ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame);
enum hdmi_spd_sdi {
HDMI_SPD_SDI_UNKNOWN,
@@ -194,6 +197,9 @@ int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame,
const char *vendor, const char *product);
ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buffer,
size_t size);
+ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame);
enum hdmi_audio_coding_type {
HDMI_AUDIO_CODING_TYPE_STREAM,
@@ -272,6 +278,9 @@ struct hdmi_audio_infoframe {
int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame);
ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame,
void *buffer, size_t size);
+ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_audio_infoframe_check(struct hdmi_audio_infoframe *frame);
enum hdmi_3d_structure {
HDMI_3D_STRUCTURE_INVALID = -1,
@@ -299,6 +308,9 @@ struct hdmi_vendor_infoframe {
int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame);
ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame,
void *buffer, size_t size);
+ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame);
union hdmi_vendor_any_infoframe {
struct {
@@ -330,10 +342,14 @@ union hdmi_infoframe {
struct hdmi_audio_infoframe audio;
};
-ssize_t
-hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
-int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer);
+ssize_t hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer,
+ size_t size);
+ssize_t hdmi_infoframe_pack_only(const union hdmi_infoframe *frame,
+ void *buffer, size_t size);
+int hdmi_infoframe_check(union hdmi_infoframe *frame);
+int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
+ const void *buffer, size_t size);
void hdmi_infoframe_log(const char *level, struct device *dev,
- union hdmi_infoframe *frame);
+ const union hdmi_infoframe *frame);
#endif /* _DRM_HDMI_H */
diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index 02166e815afb..2f0ffca35780 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -68,7 +68,6 @@ struct reservation_object_list {
* @seq: sequence count for managing RCU read-side synchronization
* @fence_excl: the exclusive fence, if there is one currently
* @fence: list of current shared fences
- * @staged: staged copy of shared fences for RCU updates
*/
struct reservation_object {
struct ww_mutex lock;
@@ -76,7 +75,6 @@ struct reservation_object {
struct dma_fence __rcu *fence_excl;
struct reservation_object_list __rcu *fence;
- struct reservation_object_list *staged;
};
#define reservation_object_held(obj) lockdep_is_held(&(obj)->lock.base)
@@ -95,7 +93,6 @@ reservation_object_init(struct reservation_object *obj)
__seqcount_init(&obj->seq, reservation_seqcount_string, &reservation_seqcount_class);
RCU_INIT_POINTER(obj->fence, NULL);
RCU_INIT_POINTER(obj->fence_excl, NULL);
- obj->staged = NULL;
}
/**
@@ -124,7 +121,6 @@ reservation_object_fini(struct reservation_object *obj)
kfree(fobj);
}
- kfree(obj->staged);
ww_mutex_destroy(&obj->lock);
}
@@ -218,6 +214,11 @@ reservation_object_trylock(struct reservation_object *obj)
static inline void
reservation_object_unlock(struct reservation_object *obj)
{
+#ifdef CONFIG_DEBUG_MUTEXES
+ /* Test shared fence slot reservation */
+ if (obj->fence)
+ obj->fence->shared_max = obj->fence->shared_count;
+#endif
ww_mutex_unlock(&obj->lock);
}
@@ -265,7 +266,8 @@ reservation_object_get_excl_rcu(struct reservation_object *obj)
return fence;
}
-int reservation_object_reserve_shared(struct reservation_object *obj);
+int reservation_object_reserve_shared(struct reservation_object *obj,
+ unsigned int num_fences);
void reservation_object_add_shared_fence(struct reservation_object *obj,
struct dma_fence *fence);