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Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drm_bo.c118
1 files changed, 49 insertions, 69 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 70342ac9..368ec0c5 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -198,9 +198,8 @@ void drm_bo_usage_deref_unlocked(drm_device_t * dev, drm_buffer_object_t * bo)
}
}
-int drm_fence_buffer_objects(drm_file_t * priv,
- struct list_head *list,
- drm_fence_object_t *fence)
+int drm_fence_buffer_objects(drm_file_t * priv,
+ struct list_head *list, drm_fence_object_t * fence)
{
drm_device_t *dev = priv->head->dev;
drm_buffer_manager_t *bm = &dev->bm;
@@ -212,7 +211,7 @@ int drm_fence_buffer_objects(drm_file_t * priv,
struct list_head f_list, *l;
mutex_lock(&dev->struct_mutex);
-
+
list_for_each_entry(entry, list, head) {
BUG_ON(!(entry->priv_flags & _DRM_BO_FLAG_UNFENCED));
fence_flags |= entry->fence_flags;
@@ -256,7 +255,7 @@ int drm_fence_buffer_objects(drm_file_t * priv,
count = 0;
l = f_list.next;
- while(l != &f_list) {
+ while (l != &f_list) {
entry = list_entry(l, drm_buffer_object_t, head);
atomic_inc(&entry->usage);
mutex_unlock(&dev->struct_mutex);
@@ -265,10 +264,10 @@ int drm_fence_buffer_objects(drm_file_t * priv,
if (entry->priv_flags & _DRM_BO_FLAG_UNFENCED) {
count++;
- if (entry->fence)
+ if (entry->fence)
drm_fence_usage_deref_locked(dev, entry->fence);
entry->fence = fence;
- DRM_FLAG_MASKED(entry->priv_flags, 0,
+ DRM_FLAG_MASKED(entry->priv_flags, 0,
_DRM_BO_FLAG_UNFENCED);
DRM_WAKEUP(&entry->event_queue);
list_del_init(&entry->head);
@@ -294,7 +293,6 @@ int drm_fence_buffer_objects(drm_file_t * priv,
return ret;
}
-
/*
* Call bo->mutex locked.
* Wait until the buffer is idle.
@@ -468,7 +466,7 @@ static int drm_move_local_to_tt(drm_buffer_object_t * bo, int no_wait)
return 0;
}
-static int drm_bo_new_flags(drm_device_t *dev,
+static int drm_bo_new_flags(drm_device_t * dev,
uint32_t flags, uint32_t new_mask, uint32_t hint,
int init, uint32_t * n_flags, uint32_t * n_mask)
{
@@ -486,7 +484,6 @@ static int drm_bo_new_flags(drm_device_t *dev,
if (!bm->use_tt)
new_mask &= ~DRM_BO_FLAG_MEM_TT;
-
if (new_mask & DRM_BO_FLAG_BIND_CACHED) {
if (((new_mask & DRM_BO_FLAG_MEM_TT) && !driver->cached_tt) &&
((new_mask & DRM_BO_FLAG_MEM_VRAM)
@@ -604,12 +601,10 @@ drm_buffer_object_t *drm_lookup_buffer_object(drm_file_t * priv,
* Doesn't do any fence flushing as opposed to the drm_bo_busy function.
*/
-
-static int drm_bo_quick_busy(drm_buffer_object_t *bo)
+static int drm_bo_quick_busy(drm_buffer_object_t * bo)
{
drm_fence_object_t *fence = bo->fence;
-
BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED);
if (fence) {
drm_device_t *dev = bo->dev;
@@ -622,7 +617,6 @@ static int drm_bo_quick_busy(drm_buffer_object_t *bo)
}
return 0;
}
-
/*
* Call bo->mutex locked.
@@ -656,7 +650,6 @@ static int drm_bo_read_cached(drm_buffer_object_t * bo)
{
drm_device_t *dev = bo->dev;
drm_buffer_manager_t *bm = &dev->bm;
-
BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED);
DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_EVICTED,
@@ -673,9 +666,9 @@ static int drm_bo_read_cached(drm_buffer_object_t * bo)
* Wait until a buffer is unmapped.
*/
-static int drm_bo_wait_unmapped(drm_buffer_object_t *bo, int no_wait)
+static int drm_bo_wait_unmapped(drm_buffer_object_t * bo, int no_wait)
{
- int ret = 0;
+ int ret = 0;
if ((atomic_read(&bo->mapped) >= 0) && no_wait)
return -EBUSY;
@@ -685,11 +678,11 @@ static int drm_bo_wait_unmapped(drm_buffer_object_t *bo, int no_wait)
if (ret == -EINTR)
ret = -EAGAIN;
-
+
return ret;
}
-static int drm_bo_check_unfenced(drm_buffer_object_t *bo)
+static int drm_bo_check_unfenced(drm_buffer_object_t * bo)
{
int ret;
@@ -711,17 +704,17 @@ static int drm_bo_check_unfenced(drm_buffer_object_t *bo)
* the buffer "unfenced" after validating, but before fencing.
*/
-static int drm_bo_wait_unfenced(drm_buffer_object_t *bo, int no_wait,
+static int drm_bo_wait_unfenced(drm_buffer_object_t * bo, int no_wait,
int eagain_if_wait)
{
int ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED);
- unsigned long _end = jiffies + 3*DRM_HZ;
+ unsigned long _end = jiffies + 3 * DRM_HZ;
if (ret && no_wait)
return -EBUSY;
else if (!ret)
return 0;
-
+
do {
mutex_unlock(&bo->mutex);
DRM_WAIT_ON(ret, bo->event_queue, 3 * DRM_HZ,
@@ -730,7 +723,8 @@ static int drm_bo_wait_unfenced(drm_buffer_object_t *bo, int no_wait,
if (ret == -EINTR)
return -EAGAIN;
if (ret) {
- DRM_ERROR("Error waiting for buffer to become fenced\n");
+ DRM_ERROR
+ ("Error waiting for buffer to become fenced\n");
return ret;
}
ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED);
@@ -750,7 +744,6 @@ static int drm_bo_wait_unfenced(drm_buffer_object_t *bo, int no_wait,
* Bo locked.
*/
-
static void drm_bo_fill_rep_arg(drm_buffer_object_t * bo,
drm_bo_arg_reply_t * rep)
{
@@ -770,13 +763,12 @@ static void drm_bo_fill_rep_arg(drm_buffer_object_t * bo,
rep->fence_flags = bo->fence_flags;
rep->rep_flags = 0;
- if ((bo->priv_flags & _DRM_BO_FLAG_UNFENCED) ||
- drm_bo_quick_busy(bo)) {
- DRM_FLAG_MASKED(rep->rep_flags, DRM_BO_REP_BUSY, DRM_BO_REP_BUSY);
+ if ((bo->priv_flags & _DRM_BO_FLAG_UNFENCED) || drm_bo_quick_busy(bo)) {
+ DRM_FLAG_MASKED(rep->rep_flags, DRM_BO_REP_BUSY,
+ DRM_BO_REP_BUSY);
}
}
-
/*
* Wait for buffer idle and register that we've mapped the buffer.
* Mapping is registered as a drm_ref_object with type _DRM_REF_TYPE1,
@@ -786,7 +778,7 @@ static void drm_bo_fill_rep_arg(drm_buffer_object_t * bo,
static int drm_buffer_object_map(drm_file_t * priv, uint32_t handle,
uint32_t map_flags, int no_wait,
- drm_bo_arg_reply_t *rep)
+ drm_bo_arg_reply_t * rep)
{
drm_buffer_object_t *bo;
drm_device_t *dev = priv->head->dev;
@@ -827,12 +819,12 @@ static int drm_buffer_object_map(drm_file_t * priv, uint32_t handle,
} else if ((map_flags & DRM_BO_FLAG_READ) &&
(bo->flags & DRM_BO_FLAG_READ_CACHED) &&
(!(bo->flags & DRM_BO_FLAG_CACHED))) {
-
+
/*
* We are already mapped with different flags.
* need to wait for unmap.
*/
-
+
ret = drm_bo_wait_unmapped(bo, no_wait);
if (ret)
goto out;
@@ -849,7 +841,7 @@ static int drm_buffer_object_map(drm_file_t * priv, uint32_t handle,
if (atomic_add_negative(-1, &bo->mapped))
DRM_WAKEUP(&bo->event_queue);
- } else
+ } else
drm_bo_fill_rep_arg(bo, rep);
out:
mutex_unlock(&bo->mutex);
@@ -975,10 +967,8 @@ static int drm_buffer_object_validate(drm_buffer_object_t * bo,
DRM_ERROR("Cached binding not implemented yet\n");
return -EINVAL;
}
-
#ifdef BODEBUG
- DRM_ERROR("New flags 0x%08x, Old flags 0x%08x\n",
- new_flags, bo->flags);
+ DRM_ERROR("New flags 0x%08x, Old flags 0x%08x\n", new_flags, bo->flags);
#endif
ret = driver->fence_type(new_flags, &bo->fence_class, &bo->fence_flags);
if (ret) {
@@ -1029,7 +1019,7 @@ static int drm_buffer_object_validate(drm_buffer_object_t * bo,
static int drm_bo_handle_validate(drm_file_t * priv, uint32_t handle,
uint32_t flags, uint32_t mask, uint32_t hint,
- drm_bo_arg_reply_t *rep)
+ drm_bo_arg_reply_t * rep)
{
drm_buffer_object_t *bo;
drm_device_t *dev = priv->head->dev;
@@ -1048,42 +1038,43 @@ static int drm_bo_handle_validate(drm_file_t * priv, uint32_t handle,
if (ret)
goto out;
- ret = drm_bo_new_flags(dev, bo->flags,
+ ret = drm_bo_new_flags(dev, bo->flags,
(flags & mask) | (bo->mask & ~mask), hint,
0, &new_flags, &bo->mask);
if (ret)
goto out;
- ret = drm_buffer_object_validate(bo, new_flags, !(hint & DRM_BO_HINT_DONT_FENCE),
- no_wait);
+ ret =
+ drm_buffer_object_validate(bo, new_flags,
+ !(hint & DRM_BO_HINT_DONT_FENCE),
+ no_wait);
drm_bo_fill_rep_arg(bo, rep);
-
-out:
-
+
+ out:
+
mutex_unlock(&bo->mutex);
drm_bo_usage_deref_unlocked(dev, bo);
return ret;
}
static int drm_bo_handle_info(drm_file_t * priv, uint32_t handle,
- drm_bo_arg_reply_t *rep)
+ drm_bo_arg_reply_t * rep)
{
drm_buffer_object_t *bo;
bo = drm_lookup_buffer_object(priv, handle, 1);
if (!bo) {
return -EINVAL;
- }
+ }
mutex_lock(&bo->mutex);
- if (!(bo->priv_flags & _DRM_BO_FLAG_UNFENCED))
- (void) drm_bo_busy(bo);
+ if (!(bo->priv_flags & _DRM_BO_FLAG_UNFENCED))
+ (void)drm_bo_busy(bo);
drm_bo_fill_rep_arg(bo, rep);
mutex_unlock(&bo->mutex);
return 0;
}
-
/*
* Call bo->mutex locked.
*/
@@ -1143,10 +1134,6 @@ static int drm_bo_add_ttm(drm_file_t * priv, drm_buffer_object_t * bo,
return ret;
}
-
-
-
-
int drm_buffer_object_create(drm_file_t * priv,
unsigned long size,
drm_bo_type_t type,
@@ -1355,8 +1342,7 @@ int drm_bo_ioctl(DRM_IOCTL_ARGS)
rep.ret = drm_bo_lock_test(dev, filp);
if (rep.ret)
break;
- /**/
- break;
+ /**/ break;
case drm_bo_info:
rep.ret = drm_bo_handle_info(priv, req->handle, &rep);
break;
@@ -1381,12 +1367,10 @@ int drm_bo_ioctl(DRM_IOCTL_ARGS)
return 0;
}
-
/*
* dev->struct_sem locked.
*/
-
static void drm_bo_force_clean(drm_device_t * dev)
{
drm_buffer_manager_t *bm = &dev->bm;
@@ -1398,11 +1382,11 @@ static void drm_bo_force_clean(drm_device_t * dev)
list_for_each_entry_safe(entry, next, &bm->ddestroy, ddestroy) {
if (entry->fence) {
if (nice_mode) {
- unsigned long _end = jiffies + 3*DRM_HZ;
+ unsigned long _end = jiffies + 3 * DRM_HZ;
do {
ret = drm_bo_wait(entry, 0, 0);
- } while ((ret == -EINTR) &&
- !time_after_eq(jiffies, _end));
+ } while ((ret == -EINTR) &&
+ !time_after_eq(jiffies, _end));
} else {
drm_fence_usage_deref_locked(dev, entry->fence);
entry->fence = NULL;
@@ -1422,23 +1406,20 @@ static void drm_bo_force_clean(drm_device_t * dev)
}
}
-
-int drm_bo_clean_mm(drm_device_t *dev)
+int drm_bo_clean_mm(drm_device_t * dev)
{
drm_buffer_manager_t *bm = &dev->bm;
int ret = 0;
-
mutex_lock(&dev->struct_mutex);
if (!bm->initialized)
goto out;
-
drm_bo_force_clean(dev);
bm->use_vram = 0;
bm->use_tt = 0;
-
+
if (bm->has_vram) {
if (drm_mm_clean(&bm->vram_manager)) {
drm_mm_takedown(&bm->vram_manager);
@@ -1451,20 +1432,19 @@ int drm_bo_clean_mm(drm_device_t *dev)
if (drm_mm_clean(&bm->tt_manager)) {
drm_mm_takedown(&bm->tt_manager);
bm->has_tt = 0;
- } else
+ } else
ret = -EBUSY;
-
+
if (!ret)
bm->initialized = 0;
}
- out:
+ out:
mutex_unlock(&dev->struct_mutex);
return ret;
}
-
int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
@@ -1490,7 +1470,7 @@ int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
mutex_lock(&dev->struct_mutex);
bm->has_vram = 0;
bm->has_tt = 0;
-
+
if (arg.req.vr_p_size) {
ret = drm_mm_init(&bm->vram_manager,
arg.req.vr_p_offset,
@@ -1499,7 +1479,7 @@ int drm_mm_init_ioctl(DRM_IOCTL_ARGS)
/*
* VRAM not supported yet.
*/
-
+
bm->use_vram = 0;
if (ret)
break;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 12:34:38 +0000