[src/trunk]: src/sys/external/bsd/drm2 Initialize drm_bridge and drm_panel lo...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c0c3d52e0e52
branches:  trunk
changeset: 847782:c0c3d52e0e52
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Fri Jan 03 21:01:16 2020 +0000

description:
Initialize drm_bridge and drm_panel locks.

diffstat:

 sys/external/bsd/drm2/dist/drm/drm_bridge.c        |  15 +++++++++++++--
 sys/external/bsd/drm2/dist/drm/drm_panel.c         |  15 +++++++++++++--
 sys/external/bsd/drm2/dist/include/drm/drm_crtc.h  |   7 ++++++-
 sys/external/bsd/drm2/dist/include/drm/drm_panel.h |   7 ++++++-
 sys/external/bsd/drm2/drm/drm_module.c             |   9 +++++++--
 5 files changed, 45 insertions(+), 8 deletions(-)

diffs (158 lines):

diff -r 27768363f74d -r c0c3d52e0e52 sys/external/bsd/drm2/dist/drm/drm_bridge.c
--- a/sys/external/bsd/drm2/dist/drm/drm_bridge.c       Fri Jan 03 19:13:54 2020 +0000
+++ b/sys/external/bsd/drm2/dist/drm/drm_bridge.c       Fri Jan 03 21:01:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_bridge.c,v 1.3 2018/08/27 06:43:47 riastradh Exp $ */
+/*     $NetBSD: drm_bridge.c,v 1.4 2020/01/03 21:01:16 jmcneill Exp $  */
 
 /*
  * Copyright (c) 2014 Samsung Electronics Co., Ltd
@@ -24,7 +24,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_bridge.c,v 1.3 2018/08/27 06:43:47 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_bridge.c,v 1.4 2020/01/03 21:01:16 jmcneill Exp $");
 
 #include <linux/err.h>
 #include <linux/module.h>
@@ -66,6 +66,17 @@
 static LIST_HEAD(bridge_list);
 #endif
 
+#ifdef __NetBSD__
+void drm_bridge_init_lock(void)
+{
+       linux_mutex_init(&bridge_lock);
+}
+void drm_bridge_fini_lock(void)
+{
+       linux_mutex_destroy(&bridge_lock);
+}
+#endif
+
 /**
  * drm_bridge_add - add the given bridge to the global bridge list
  *
diff -r 27768363f74d -r c0c3d52e0e52 sys/external/bsd/drm2/dist/drm/drm_panel.c
--- a/sys/external/bsd/drm2/dist/drm/drm_panel.c        Fri Jan 03 19:13:54 2020 +0000
+++ b/sys/external/bsd/drm2/dist/drm/drm_panel.c        Fri Jan 03 21:01:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_panel.c,v 1.3 2019/12/09 15:36:16 jakllsch Exp $   */
+/*     $NetBSD: drm_panel.c,v 1.4 2020/01/03 21:01:16 jmcneill Exp $   */
 
 /*
  * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
@@ -24,7 +24,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_panel.c,v 1.3 2019/12/09 15:36:16 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_panel.c,v 1.4 2020/01/03 21:01:16 jmcneill Exp $");
 
 #include <linux/err.h>
 #include <linux/module.h>
@@ -40,6 +40,17 @@
 static LIST_HEAD(panel_list);
 #endif
 
+#ifdef __NetBSD__
+void drm_panel_init_lock(void)
+{
+       linux_mutex_init(&panel_lock);
+}
+void drm_panel_fini_lock(void)
+{
+       linux_mutex_destroy(&panel_lock);
+}
+#endif
+
 void drm_panel_init(struct drm_panel *panel)
 {
        INIT_LIST_HEAD(&panel->list);
diff -r 27768363f74d -r c0c3d52e0e52 sys/external/bsd/drm2/dist/include/drm/drm_crtc.h
--- a/sys/external/bsd/drm2/dist/include/drm/drm_crtc.h Fri Jan 03 19:13:54 2020 +0000
+++ b/sys/external/bsd/drm2/dist/include/drm/drm_crtc.h Fri Jan 03 21:01:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_crtc.h,v 1.7 2018/08/27 06:46:02 riastradh Exp $   */
+/*     $NetBSD: drm_crtc.h,v 1.8 2020/01/03 21:01:16 jmcneill Exp $    */
 
 /*
  * Copyright © 2006 Keith Packard
@@ -1224,6 +1224,11 @@
 /* helper to unplug all connectors from sysfs for device */
 extern void drm_connector_unplug_all(struct drm_device *dev);
 
+#ifdef __NetBSD__
+extern void drm_bridge_init_lock(void);
+extern void drm_bridge_fini_lock(void);
+#endif
+
 extern int drm_bridge_add(struct drm_bridge *bridge);
 extern void drm_bridge_remove(struct drm_bridge *bridge);
 extern struct drm_bridge *of_drm_find_bridge(struct device_node *np);
diff -r 27768363f74d -r c0c3d52e0e52 sys/external/bsd/drm2/dist/include/drm/drm_panel.h
--- a/sys/external/bsd/drm2/dist/include/drm/drm_panel.h        Fri Jan 03 19:13:54 2020 +0000
+++ b/sys/external/bsd/drm2/dist/include/drm/drm_panel.h        Fri Jan 03 21:01:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_panel.h,v 1.2 2018/08/27 04:58:38 riastradh Exp $  */
+/*     $NetBSD: drm_panel.h,v 1.3 2020/01/03 21:01:16 jmcneill Exp $   */
 
 /*
  * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
@@ -127,6 +127,11 @@
        return panel ? -ENOSYS : -EINVAL;
 }
 
+#ifdef __NetBSD__
+void drm_panel_init_lock(void);
+void drm_panel_fini_lock(void);
+#endif
+
 void drm_panel_init(struct drm_panel *panel);
 
 int drm_panel_add(struct drm_panel *panel);
diff -r 27768363f74d -r c0c3d52e0e52 sys/external/bsd/drm2/drm/drm_module.c
--- a/sys/external/bsd/drm2/drm/drm_module.c    Fri Jan 03 19:13:54 2020 +0000
+++ b/sys/external/bsd/drm2/drm/drm_module.c    Fri Jan 03 21:01:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_module.c,v 1.16 2019/09/23 05:54:31 mrg Exp $      */
+/*     $NetBSD: drm_module.c,v 1.17 2020/01/03 21:01:16 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_module.c,v 1.16 2019/09/23 05:54:31 mrg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_module.c,v 1.17 2020/01/03 21:01:16 jmcneill Exp $");
 
 #include <sys/types.h>
 #include <sys/condvar.h>
@@ -48,6 +48,7 @@
 #include <drm/drm_encoder_slave.h>
 #include <drm/drm_internal.h>
 #include <drm/drm_sysctl.h>
+#include <drm/drm_panel.h>
 
 /*
  * XXX This is stupid.
@@ -122,6 +123,8 @@
        linux_mutex_init(&drm_global_mutex);
        drm_connector_ida_init();
        drm_global_init();
+       drm_panel_init_lock();
+       drm_bridge_init_lock();
        drm_sysctl_init(&drm_def);
        drm_i2c_encoders_init();
 
@@ -146,6 +149,8 @@
 
        drm_i2c_encoders_fini();
        drm_sysctl_fini(&drm_def);
+       drm_bridge_fini_lock();
+       drm_panel_fini_lock();
        drm_global_release();
        drm_connector_ida_destroy();
        linux_mutex_destroy(&drm_global_mutex);