change back to spinlock_t/DEFINE_SPINLOCK

diff --git a/sys/dev/pci/drm/drm_linux.h b/sys/dev/pci/drm/drm_linux.h
index de79692..0f50754 100644 (file)
--- a/sys/dev/pci/drm/drm_linux.h
+++ b/sys/dev/pci/drm/drm_linux.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: drm_linux.h,v 1.18 2015/04/11 02:59:05 jsg Exp $      */
+/*     $OpenBSD: drm_linux.h,v 1.19 2015/04/11 05:10:13 jsg Exp $      */
 /*
  * Copyright (c) 2013, 2014 Mark Kettenis
  *
@@ -207,6 +207,7 @@ IS_ERR_OR_NULL(const void *ptr)
 #endif
 
 typedef struct mutex spinlock_t;
+#define DEFINE_SPINLOCK(x)     struct mutex x
 
 static inline void
 spin_lock_irqsave(struct mutex *mtxp, __unused unsigned long flags)

diff --git a/sys/dev/pci/drm/i915/i915_drv.h b/sys/dev/pci/drm/i915/i915_drv.h
index ed99209..2f24e01 100644 (file)
--- a/sys/dev/pci/drm/i915/i915_drv.h
+++ b/sys/dev/pci/drm/i915/i915_drv.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: i915_drv.h,v 1.59 2015/04/11 02:24:43 jsg Exp $ */
+/* $OpenBSD: i915_drv.h,v 1.60 2015/04/11 05:10:13 jsg Exp $ */
 /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
  */
 /*
@@ -608,7 +608,7 @@ struct intel_gen6_power_mgmt {
        u32 pm_iir;
        /* lock - irqsave spinlock that protectects the work_struct and
         * pm_iir. */
-       struct mutex lock;
+       spinlock_t lock;
 
        /* The below variables an all the rps hw state are protected by
         * dev->struct mutext. */

diff --git a/sys/dev/pci/drm/i915/i915_irq.c b/sys/dev/pci/drm/i915/i915_irq.c
index 536ad2c..368b08c 100644 (file)
--- a/sys/dev/pci/drm/i915/i915_irq.c
+++ b/sys/dev/pci/drm/i915/i915_irq.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: i915_irq.c,v 1.22 2015/04/06 05:35:29 jsg Exp $       */
+/*     $OpenBSD: i915_irq.c,v 1.23 2015/04/11 05:10:13 jsg Exp $       */
 /* i915_irq.c -- IRQ support for the I915 -*- linux-c -*-
  */
 /*
@@ -297,7 +297,7 @@ static void i915_hotplug_work_func(void *arg1)
 }
 
 /* defined intel_pm.c */
-extern struct mutex mchdev_lock;
+extern spinlock_t mchdev_lock;
 
 static void ironlake_handle_rps_change(struct drm_device *dev)
 {

diff --git a/sys/dev/pci/drm/i915/intel_pm.c b/sys/dev/pci/drm/i915/intel_pm.c
index e89070c..3b1561c 100644 (file)
--- a/sys/dev/pci/drm/i915/intel_pm.c
+++ b/sys/dev/pci/drm/i915/intel_pm.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: intel_pm.c,v 1.30 2015/04/08 04:24:40 jsg Exp $       */
+/*     $OpenBSD: intel_pm.c,v 1.31 2015/04/11 05:10:13 jsg Exp $       */
 /*
  * Copyright © 2012 Intel Corporation
  *
@@ -2315,7 +2315,7 @@ err_unref:
 /**
  * Lock protecting IPS related data structures
  */
-struct mutex mchdev_lock;
+DEFINE_SPINLOCK(mchdev_lock);
 
 /* Global for IPS driver to get at the current i915 device. Protected by
  * mchdev_lock. */

diff --git a/sys/dev/pci/drm/radeon/radeon.h b/sys/dev/pci/drm/radeon/radeon.h
index b74d7ff..e077633 100644 (file)
--- a/sys/dev/pci/drm/radeon/radeon.h
+++ b/sys/dev/pci/drm/radeon/radeon.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: radeon.h,v 1.12 2015/04/06 07:38:49 jsg Exp $ */
+/*     $OpenBSD: radeon.h,v 1.13 2015/04/11 05:10:13 jsg Exp $ */
 /*
  * Copyright 2008 Advanced Micro Devices, Inc.
  * Copyright 2008 Red Hat Inc.
@@ -597,7 +597,7 @@ union radeon_irq_stat_regs {
 
 struct radeon_irq {
        bool                            installed;
-       struct mutex                    lock;
+       spinlock_t                      lock;
        atomic_t                        ring_int[RADEON_NUM_RINGS];
        bool                            crtc_vblank_int[RADEON_MAX_CRTCS];
        atomic_t                        pflip[RADEON_MAX_CRTCS];
@@ -1604,7 +1604,7 @@ struct radeon_device {
        bus_addr_t                      rmmio_base;
        bus_size_t                      rmmio_size;
        /* protects concurrent MM_INDEX/DATA based register access */
-       struct mutex                    mmio_idx_lock;
+       spinlock_t mmio_idx_lock;
        bus_space_handle_t              rmmio;
        radeon_rreg_t                   mc_rreg;
        radeon_wreg_t                   mc_wreg;

diff --git a/sys/dev/pci/drm/ttm/ttm_bo_manager.c b/sys/dev/pci/drm/ttm/ttm_bo_manager.c
index 2a81118..d604b55 100644 (file)
--- a/sys/dev/pci/drm/ttm/ttm_bo_manager.c
+++ b/sys/dev/pci/drm/ttm/ttm_bo_manager.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ttm_bo_manager.c,v 1.3 2015/02/10 10:50:49 jsg Exp $  */
+/*     $OpenBSD: ttm_bo_manager.c,v 1.4 2015/04/11 05:10:13 jsg Exp $  */
 /**************************************************************************
  *
  * Copyright (c) 2007-2010 VMware, Inc., Palo Alto, CA., USA
@@ -42,7 +42,7 @@
 
 struct ttm_range_manager {
        struct drm_mm mm;
-       struct mutex lock;
+       spinlock_t lock;
 };
 
 static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,

diff --git a/sys/dev/pci/drm/ttm/ttm_object.c b/sys/dev/pci/drm/ttm/ttm_object.c
index 1f9b192..376fc70 100644 (file)
--- a/sys/dev/pci/drm/ttm/ttm_object.c
+++ b/sys/dev/pci/drm/ttm/ttm_object.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ttm_object.c,v 1.6 2015/02/12 06:52:11 jsg Exp $      */
+/*     $OpenBSD: ttm_object.c,v 1.7 2015/04/11 05:10:13 jsg Exp $      */
 /**************************************************************************
  *
  * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA
@@ -78,7 +78,7 @@ struct ttm_object_file {
  */
 
 struct ttm_object_device {
-       struct mutex object_lock;
+       spinlock_t object_lock;
        struct drm_open_hash object_hash;
        atomic_t object_count;
        struct ttm_mem_global *mem_glob;

diff --git a/sys/dev/pci/drm/ttm/ttm_page_alloc.c b/sys/dev/pci/drm/ttm/ttm_page_alloc.c
index b2cb2f3..48e4d7d 100644 (file)
--- a/sys/dev/pci/drm/ttm/ttm_page_alloc.c
+++ b/sys/dev/pci/drm/ttm/ttm_page_alloc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ttm_page_alloc.c,v 1.8 2015/02/11 07:01:37 jsg Exp $  */
+/*     $OpenBSD: ttm_page_alloc.c,v 1.9 2015/04/11 05:10:13 jsg Exp $  */
 /*
  * Copyright (c) Red Hat Inc.
 
@@ -63,7 +63,7 @@
  * @npages: Number of pages in pool.
  */
 struct ttm_page_pool {
-       struct mutex            lock;
+       spinlock_t              lock;
        bool                    fill_lock;
        struct pglist           list;
        int                     ttm_page_alloc_flags;