[Intel-gfx] [RFC 11/21] drm/i915: Convert i915_wait_seqno to i915_wait_request
John.C.Harrison at Intel.com
John.C.Harrison at Intel.com
Mon Oct 6 16:15:15 CEST 2014
From: John Harrison <John.C.Harrison at Intel.com>
For: VIZ-4377
Signed-off-by: John.C.Harrison at Intel.com
---
drivers/gpu/drm/i915/i915_drv.h | 18 +-----------------
drivers/gpu/drm/i915/i915_gem.c | 30 +++++++++++++++---------------
drivers/gpu/drm/i915/intel_lrc.c | 6 ++----
drivers/gpu/drm/i915/intel_overlay.c | 9 +++------
drivers/gpu/drm/i915/intel_ringbuffer.c | 14 ++++++--------
5 files changed, 27 insertions(+), 50 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9504206..4ce4ae6 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2530,8 +2530,7 @@ int __i915_add_request(struct intel_engine_cs *ring,
u32 *seqno);
#define i915_add_request(ring, seqno) \
__i915_add_request(ring, NULL, NULL, seqno)
-int __must_check i915_wait_seqno(struct intel_engine_cs *ring,
- uint32_t seqno);
+int __must_check i915_wait_request(struct drm_i915_gem_request *req);
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
int __must_check
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
@@ -3020,19 +3019,4 @@ wait_remaining_ms_from_jiffies(unsigned long timestamp_jiffies, int to_wait_ms)
}
}
-/************************* Deprecated *************************/
-static inline int __must_check i915_gem_check_ols(struct intel_engine_cs *ring, u32 seqno)
-{
- int ret;
-
- BUG_ON(!mutex_is_locked(&ring->dev->struct_mutex));
-
- ret = 0;
- if (seqno == i915_gem_request_get_seqno(ring->outstanding_lazy_request))
- ret = i915_add_request(ring, NULL);
-
- return ret;
-}
-/************************* Deprecated *************************/
-
#endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2c7deca..30731d4 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1252,29 +1252,34 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
}
/**
- * Waits for a sequence number to be signaled, and cleans up the
+ * Waits for a request to be signaled, and cleans up the
* request and object lists appropriately for that event.
*/
int
-i915_wait_seqno(struct intel_engine_cs *ring, uint32_t seqno)
+i915_wait_request(struct drm_i915_gem_request *req)
{
- struct drm_device *dev = ring->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- bool interruptible = dev_priv->mm.interruptible;
+ struct drm_device *dev;
+ struct drm_i915_private *dev_priv;
+ bool interruptible;
int ret;
+ BUG_ON(req == NULL);
+
+ dev = req->ring->dev;
+ dev_priv = dev->dev_private;
+ interruptible = dev_priv->mm.interruptible;
+
BUG_ON(!mutex_is_locked(&dev->struct_mutex));
- BUG_ON(seqno == 0);
ret = i915_gem_check_wedge(&dev_priv->gpu_error, interruptible);
if (ret)
return ret;
- ret = i915_gem_check_ols(ring, seqno);
+ ret = i915_gem_check_olr(req);
if (ret)
return ret;
- return __wait_seqno(ring, seqno,
+ return __wait_seqno(req->ring, i915_gem_request_get_seqno(req),
atomic_read(&dev_priv->gpu_error.reset_counter),
interruptible, NULL, NULL);
}
@@ -1306,18 +1311,13 @@ i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
bool readonly)
{
struct drm_i915_gem_request *req;
- struct intel_engine_cs *ring = obj->ring;
- u32 seqno;
int ret;
req = readonly ? obj->last_write_req : obj->last_read_req;
if (!req)
return 0;
- seqno = i915_gem_request_get_seqno(req);
- BUG_ON(seqno == 0);
-
- ret = i915_wait_seqno(ring, seqno);
+ ret = i915_wait_request(req);
if (ret)
return ret;
@@ -3234,7 +3234,7 @@ static int
i915_gem_object_wait_fence(struct drm_i915_gem_object *obj)
{
if (obj->last_fenced_req) {
- int ret = i915_wait_seqno(obj->ring, i915_gem_request_get_seqno(obj->last_fenced_req));
+ int ret = i915_wait_request(obj->last_fenced_req);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7005745..0b68fc7 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -830,7 +830,6 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf,
{
struct intel_engine_cs *ring = ringbuf->ring;
struct drm_i915_gem_request *request;
- u32 seqno = 0;
int ret;
if (ringbuf->last_retired_head != -1) {
@@ -845,15 +844,14 @@ static int logical_ring_wait_request(struct intel_ringbuffer *ringbuf,
list_for_each_entry(request, &ring->request_list, list) {
if (__intel_ring_space(request->tail, ringbuf->tail,
ringbuf->size) >= bytes) {
- seqno = request->seqno;
break;
}
}
- if (seqno == 0)
+ if (&request->list == &ring->request_list)
return -ENOSPC;
- ret = i915_wait_seqno(ring, seqno);
+ ret = i915_wait_request(request);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index ccd5732..27ff4a2 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -222,7 +222,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
return ret;
overlay->flip_tail = tail;
- ret = i915_wait_seqno(ring, i915_gem_request_get_seqno(overlay->last_flip_req));
+ ret = i915_wait_request(overlay->last_flip_req);
if (ret)
return ret;
i915_gem_retire_requests(dev);
@@ -361,18 +361,15 @@ static int intel_overlay_off(struct intel_overlay *overlay)
* We have to be careful not to repeat work forever an make forward progess. */
static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_engine_cs *ring = &dev_priv->ring[RCS];
int ret;
if (overlay->last_flip_req == NULL)
return 0;
- ret = i915_wait_seqno(ring, i915_gem_request_get_seqno(overlay->last_flip_req));
+ ret = i915_wait_request(overlay->last_flip_req);
if (ret)
return ret;
- i915_gem_retire_requests(dev);
+ i915_gem_retire_requests(overlay->dev);
if (overlay->flip_tail)
overlay->flip_tail(overlay);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index dd59691..1be1934 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1868,7 +1868,6 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n)
{
struct intel_ringbuffer *ringbuf = ring->buffer;
struct drm_i915_gem_request *request;
- u32 seqno = 0;
int ret;
if (ringbuf->last_retired_head != -1) {
@@ -1883,15 +1882,14 @@ static int intel_ring_wait_request(struct intel_engine_cs *ring, int n)
list_for_each_entry(request, &ring->request_list, list) {
if (__intel_ring_space(request->tail, ringbuf->tail,
ringbuf->size) >= n) {
- seqno = request->seqno;
break;
}
}
- if (seqno == 0)
+ if (&request->list == &ring->request_list)
return -ENOSPC;
- ret = i915_wait_seqno(ring, seqno);
+ ret = i915_wait_request(request);
if (ret)
return ret;
@@ -1987,7 +1985,7 @@ static int intel_wrap_ring_buffer(struct intel_engine_cs *ring)
int intel_ring_idle(struct intel_engine_cs *ring)
{
- u32 seqno;
+ struct drm_i915_gem_request *req;
int ret;
/* We need to add any requests required to flush the objects and ring */
@@ -2001,11 +1999,11 @@ int intel_ring_idle(struct intel_engine_cs *ring)
if (list_empty(&ring->request_list))
return 0;
- seqno = list_entry(ring->request_list.prev,
+ req = list_entry(ring->request_list.prev,
struct drm_i915_gem_request,
- list)->seqno;
+ list);
- return i915_wait_seqno(ring, seqno);
+ return i915_wait_request(req);
}
static int
--
1.7.9.5
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