diff options
Diffstat (limited to 'bsd/drm')
| -rw-r--r-- | bsd/drm/auth.c | 4 | ||||
| -rw-r--r-- | bsd/drm/lists.c | 20 | ||||
| -rw-r--r-- | bsd/drm/lock.c | 9 | ||||
| -rw-r--r-- | bsd/drm/memory.c | 4 |
4 files changed, 30 insertions, 7 deletions
diff --git a/bsd/drm/auth.c b/bsd/drm/auth.c index a2699011..37d17be5 100644 --- a/bsd/drm/auth.c +++ b/bsd/drm/auth.c @@ -135,12 +135,12 @@ int drm_getmagic(dev_t kdev, u_long cmd, caddr_t data, if (priv->magic) { auth.magic = priv->magic; } else { - simple_lock(&lock); do { + simple_lock(&lock); if (!sequence) ++sequence; /* reserve 0 */ auth.magic = sequence++; - } while (drm_find_file(dev, auth.magic)); simple_unlock(&lock); + } while (drm_find_file(dev, auth.magic)); priv->magic = auth.magic; drm_add_magic(dev, priv, auth.magic); } diff --git a/bsd/drm/lists.c b/bsd/drm/lists.c index 61becaa1..b9722973 100644 --- a/bsd/drm/lists.c +++ b/bsd/drm/lists.c @@ -121,6 +121,7 @@ int drm_freelist_create(drm_freelist_t *bl, int count) bl->low_mark = 0; bl->high_mark = 0; atomic_set(&bl->wfh, 0); +/* bl->lock = SPIN_LOCK_UNLOCKED; */ ++bl->initialized; return 0; } @@ -159,6 +160,7 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) drm_histogram_compute(dev, buf); #endif buf->list = DRM_LIST_FREE; +/* do { old = (unsigned long)bl->next; buf->next = (void *)old; @@ -169,6 +171,13 @@ int drm_freelist_put(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) return 1; } } while (failed); +*/ + + simple_lock(&bl->lock); + buf->next = bl->next; + bl->next = buf; + simple_unlock(&bl->lock); + atomic_inc(&bl->count); if (atomic_read(&bl->count) > dma->buf_count) { DRM_ERROR("%d of %d buffers free after addition of %d\n", @@ -195,6 +204,7 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) if (!bl) return NULL; /* Get buffer */ +/* do { old = (unsigned int)bl->next; if (!old) { @@ -210,6 +220,16 @@ static drm_buf_t *drm_freelist_try(drm_freelist_t *bl) atomic_dec(&bl->count); buf = (drm_buf_t *)old; +*/ + simple_lock(&bl->lock); + if(!bl->next){ + simple_unlock(&bl->lock); + return NULL; + } + buf = bl->next; + bl->next = bl->next->next; + simple_unlock(&bl->lock); + atomic_dec(&bl->count); buf->next = NULL; buf->list = DRM_LIST_NONE; DRM_DEBUG("%d, count = %d, wfh = %d, w%d, p%d\n", diff --git a/bsd/drm/lock.c b/bsd/drm/lock.c index 1affcd1d..ec295b2b 100644 --- a/bsd/drm/lock.c +++ b/bsd/drm/lock.c @@ -135,9 +135,12 @@ static int drm_flush_queue(drm_device_t *dev, int context) if (atomic_read(&q->use_count) > 1) { atomic_inc(&q->block_write); atomic_inc(&q->block_count); - error = tsleep(&q->flush_queue, PCATCH|PZERO, "drmfq", 0); - if (error) - return error; + for (;;) { + if (!DRM_BUFCOUNT(&q->waitlist)) break; + error = tsleep(&q->flush_queue, PCATCH|PZERO, "drmfq", 0); + if (error) + return error; + } atomic_dec(&q->block_count); } atomic_dec(&q->use_count); diff --git a/bsd/drm/memory.c b/bsd/drm/memory.c index 81c1b1a0..f60e2128 100644 --- a/bsd/drm/memory.c +++ b/bsd/drm/memory.c @@ -95,7 +95,7 @@ void drm_mem_init(void) /* drm_mem_info is called whenever a process reads /dev/drm/mem. */ -static int _drm_mem_info SYSCTL_HANDLER_ARGS +static int _drm_mem_info DRM_SYSCTL_HANDLER_ARGS { drm_mem_stats_t *pt; char buf[128]; @@ -127,7 +127,7 @@ static int _drm_mem_info SYSCTL_HANDLER_ARGS return 0; } -int drm_mem_info SYSCTL_HANDLER_ARGS +int drm_mem_info DRM_SYSCTL_HANDLER_ARGS { int ret; |