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drm/vmwgfx: get rid of different types of fence_flags entirely

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Only one type was ever used. This is needed to simplify the fence
support in the next commit.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst
2014-03-26 13:06:24 +01:00
parent 954605ca3f
commit c060a4e135
5 changed files with 26 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
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@@ -207,9 +207,7 @@ void vmw_fence_manager_takedown(struct vmw_fence_manager *fman)
}
static int vmw_fence_obj_init(struct vmw_fence_manager *fman,
struct vmw_fence_obj *fence,
u32 seqno,
uint32_t mask,
struct vmw_fence_obj *fence, u32 seqno,
void (*destroy) (struct vmw_fence_obj *fence))
{
unsigned long irq_flags;
@@ -220,7 +218,6 @@ static int vmw_fence_obj_init(struct vmw_fence_manager *fman,
INIT_LIST_HEAD(&fence->seq_passed_actions);
fence->fman = fman;
fence->signaled = 0;
fence->signal_mask = mask;
kref_init(&fence->kref);
fence->destroy = destroy;
init_waitqueue_head(&fence->queue);
@@ -356,7 +353,7 @@ static bool vmw_fence_goal_check_locked(struct vmw_fence_obj *fence)
u32 goal_seqno;
__le32 __iomem *fifo_mem;
if (fence->signaled & DRM_VMW_FENCE_FLAG_EXEC)
if (fence->signaled)
return false;
fifo_mem = fence->fman->dev_priv->mmio_virt;
@@ -386,7 +383,7 @@ rerun:
list_for_each_entry_safe(fence, next_fence, &fman->fence_list, head) {
if (seqno - fence->seqno < VMW_FENCE_WRAP) {
list_del_init(&fence->head);
fence->signaled |= DRM_VMW_FENCE_FLAG_EXEC;
fence->signaled = 1;
INIT_LIST_HEAD(&action_list);
list_splice_init(&fence->seq_passed_actions,
&action_list);
@@ -417,8 +414,7 @@ rerun:
}
}
bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence,
uint32_t flags)
bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence)
{
struct vmw_fence_manager *fman = fence->fman;
unsigned long irq_flags;
@@ -428,28 +424,25 @@ bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence,
signaled = fence->signaled;
spin_unlock_irqrestore(&fman->lock, irq_flags);
flags &= fence->signal_mask;
if ((signaled & flags) == flags)
if (signaled)
return 1;
if ((signaled & DRM_VMW_FENCE_FLAG_EXEC) == 0)
vmw_fences_update(fman);
vmw_fences_update(fman);
spin_lock_irqsave(&fman->lock, irq_flags);
signaled = fence->signaled;
spin_unlock_irqrestore(&fman->lock, irq_flags);
return ((signaled & flags) == flags);
return signaled;
}
int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
uint32_t flags, bool lazy,
int vmw_fence_obj_wait(struct vmw_fence_obj *fence, bool lazy,
bool interruptible, unsigned long timeout)
{
struct vmw_private *dev_priv = fence->fman->dev_priv;
long ret;
if (likely(vmw_fence_obj_signaled(fence, flags)))
if (likely(vmw_fence_obj_signaled(fence)))
return 0;
vmw_fifo_ping_host(dev_priv, SVGA_SYNC_GENERIC);
@@ -458,12 +451,12 @@ int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
if (interruptible)
ret = wait_event_interruptible_timeout
(fence->queue,
vmw_fence_obj_signaled(fence, flags),
vmw_fence_obj_signaled(fence),
timeout);
else
ret = wait_event_timeout
(fence->queue,
vmw_fence_obj_signaled(fence, flags),
vmw_fence_obj_signaled(fence),
timeout);
vmw_seqno_waiter_remove(dev_priv);
@@ -497,7 +490,6 @@ static void vmw_fence_destroy(struct vmw_fence_obj *fence)
int vmw_fence_create(struct vmw_fence_manager *fman,
uint32_t seqno,
uint32_t mask,
struct vmw_fence_obj **p_fence)
{
struct ttm_mem_global *mem_glob = vmw_mem_glob(fman->dev_priv);
@@ -515,7 +507,7 @@ int vmw_fence_create(struct vmw_fence_manager *fman,
goto out_no_object;
}
ret = vmw_fence_obj_init(fman, fence, seqno, mask,
ret = vmw_fence_obj_init(fman, fence, seqno,
vmw_fence_destroy);
if (unlikely(ret != 0))
goto out_err_init;
@@ -559,7 +551,6 @@ static void vmw_user_fence_base_release(struct ttm_base_object **p_base)
int vmw_user_fence_create(struct drm_file *file_priv,
struct vmw_fence_manager *fman,
uint32_t seqno,
uint32_t mask,
struct vmw_fence_obj **p_fence,
uint32_t *p_handle)
{
@@ -586,7 +577,7 @@ int vmw_user_fence_create(struct drm_file *file_priv,
}
ret = vmw_fence_obj_init(fman, &ufence->fence, seqno,
mask, vmw_user_fence_destroy);
vmw_user_fence_destroy);
if (unlikely(ret != 0)) {
kfree(ufence);
goto out_no_object;
@@ -647,13 +638,12 @@ void vmw_fence_fifo_down(struct vmw_fence_manager *fman)
kref_get(&fence->kref);
spin_unlock_irq(&fman->lock);
ret = vmw_fence_obj_wait(fence, fence->signal_mask,
false, false,
ret = vmw_fence_obj_wait(fence, false, false,
VMW_FENCE_WAIT_TIMEOUT);
if (unlikely(ret != 0)) {
list_del_init(&fence->head);
fence->signaled |= DRM_VMW_FENCE_FLAG_EXEC;
fence->signaled = 1;
INIT_LIST_HEAD(&action_list);
list_splice_init(&fence->seq_passed_actions,
&action_list);
@@ -716,14 +706,14 @@ int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data,
timeout = jiffies;
if (time_after_eq(timeout, (unsigned long)arg->kernel_cookie)) {
ret = ((vmw_fence_obj_signaled(fence, arg->flags)) ?
ret = ((vmw_fence_obj_signaled(fence)) ?
0 : -EBUSY);
goto out;
}
timeout = (unsigned long)arg->kernel_cookie - timeout;
ret = vmw_fence_obj_wait(fence, arg->flags, arg->lazy, true, timeout);
ret = vmw_fence_obj_wait(fence, arg->lazy, true, timeout);
out:
ttm_base_object_unref(&base);
@@ -760,10 +750,10 @@ int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
fence = &(container_of(base, struct vmw_user_fence, base)->fence);
fman = fence->fman;
arg->signaled = vmw_fence_obj_signaled(fence, arg->flags);
arg->signaled = vmw_fence_obj_signaled(fence);
spin_lock_irq(&fman->lock);
arg->signaled_flags = fence->signaled;
arg->signaled_flags = arg->flags;
arg->passed_seqno = dev_priv->last_read_seqno;
spin_unlock_irq(&fman->lock);
@@ -908,7 +898,7 @@ static void vmw_fence_obj_add_action(struct vmw_fence_obj *fence,
spin_lock_irqsave(&fman->lock, irq_flags);
fman->pending_actions[action->type]++;
if (fence->signaled & DRM_VMW_FENCE_FLAG_EXEC) {
if (fence->signaled) {
struct list_head action_list;
INIT_LIST_HEAD(&action_list);