[PATCH 11/17] drm/vmwgfx: get rid of different types of fence_flags entirely

Maarten Lankhorst
2014-07-09T12:30:12Z

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>
---
drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 5 +--
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 1 -
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 14 ++-------
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c | 50 ++++++++++++-------------------
drivers/gpu/drm/vmwgfx/vmwgfx_fence.h | 8 +----
5 files changed, 26 insertions(+), 52 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 4a36bb1dc525..f15718cc631d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -792,15 +792,12 @@ static int vmw_sync_obj_flush(void *sync_obj)

static bool vmw_sync_obj_signaled(void *sync_obj)
{
- return vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj,
- DRM_VMW_FENCE_FLAG_EXEC);
-
+ return vmw_fence_obj_signaled((struct vmw_fence_obj *) sync_obj);
}

static int vmw_sync_obj_wait(void *sync_obj, bool lazy, bool interruptible)
{
return vmw_fence_obj_wait((struct vmw_fence_obj *) sync_obj,
- DRM_VMW_FENCE_FLAG_EXEC,
lazy, interruptible,
VMW_FENCE_WAIT_TIMEOUT);
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 6b252a887ae2..f217e9723b9e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -332,7 +332,6 @@ struct vmw_sw_context{
uint32_t *cmd_bounce;
uint32_t cmd_bounce_size;
struct list_head resource_list;
- uint32_t fence_flags;
struct ttm_buffer_object *cur_query_bo;
struct list_head res_relocations;
uint32_t *buf_start;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index f8b25bc4e634..db30b790ad24 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -350,8 +350,6 @@ static int vmw_bo_to_validate_list(struct vmw_sw_context *sw_context,
vval_buf->validate_as_mob = validate_as_mob;
}

- sw_context->fence_flags |= DRM_VMW_FENCE_FLAG_EXEC;
-
if (p_val_node)
*p_val_node = val_node;

@@ -2308,13 +2306,9 @@ int vmw_execbuf_fence_commands(struct drm_file *file_priv,

if (p_handle != NULL)
ret = vmw_user_fence_create(file_priv, dev_priv->fman,
- sequence,
- DRM_VMW_FENCE_FLAG_EXEC,
- p_fence, p_handle);
+ sequence, p_fence, p_handle);
else
- ret = vmw_fence_create(dev_priv->fman, sequence,
- DRM_VMW_FENCE_FLAG_EXEC,
- p_fence);
+ ret = vmw_fence_create(dev_priv->fman, sequence, p_fence);

if (unlikely(ret != 0 && !synced)) {
(void) vmw_fallback_wait(dev_priv, false, false,
@@ -2387,8 +2381,7 @@ vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
ttm_ref_object_base_unref(vmw_fp->tfile,
fence_handle, TTM_REF_USAGE);
DRM_ERROR("Fence copy error. Syncing.\n");
- (void) vmw_fence_obj_wait(fence, fence->signal_mask,
- false, false,
+ (void) vmw_fence_obj_wait(fence, false, false,
VMW_FENCE_WAIT_TIMEOUT);
}
}
@@ -2438,7 +2431,6 @@ int vmw_execbuf_process(struct drm_file *file_priv,
sw_context->fp = vmw_fpriv(file_priv);
sw_context->cur_reloc = 0;
sw_context->cur_val_buf = 0;
- sw_context->fence_flags = 0;
INIT_LIST_HEAD(&sw_context->resource_list);
sw_context->cur_query_bo = dev_priv->pinned_bo;
sw_context->last_query_ctx = NULL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 436b013b4231..05b9eea8e875 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -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);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
index faf2e7873860..8c18d32bd1c3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.h
@@ -56,7 +56,6 @@ struct vmw_fence_obj {
struct vmw_fence_manager *fman;
struct list_head head;
uint32_t signaled;
- uint32_t signal_mask;
struct list_head seq_passed_actions;
void (*destroy)(struct vmw_fence_obj *fence);
wait_queue_head_t queue;
@@ -74,10 +73,9 @@ vmw_fence_obj_reference(struct vmw_fence_obj *fence);

extern void vmw_fences_update(struct vmw_fence_manager *fman);

-extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence,
- uint32_t flags);
+extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence);

-extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence, uint32_t flags,
+extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
bool lazy,
bool interruptible, unsigned long timeout);

@@ -85,13 +83,11 @@ extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence);

extern int vmw_fence_create(struct vmw_fence_manager *fman,
uint32_t seqno,
- uint32_t mask,
struct vmw_fence_obj **p_fence);

extern int vmw_user_fence_create(struct drm_file *file_priv,
struct vmw_fence_manager *fman,
uint32_t sequence,
- uint32_t mask,
struct vmw_fence_obj **p_fence,
uint32_t *p_handle);