diff mbox

[46/55] drm/i915: Move the special case wait-request handling to its one caller

Message ID 1469467954-3920-47-git-send-email-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson July 25, 2016, 5:32 p.m. UTC 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem_request.c | 25 -------------------------
 drivers/gpu/drm/i915/i915_gem_request.h |  4 ----
 drivers/gpu/drm/i915/intel_ringbuffer.c | 18 +++++++++++++-----
 3 files changed, 13 insertions(+), 34 deletions(-)

Comments

Joonas Lahtinen July 26, 2016, 12:39 p.m. UTC | #1 
On ma, 2016-07-25 at 18:32 +0100, Chris Wilson wrote:
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gem_request.c | 25 -------------------------
>  drivers/gpu/drm/i915/i915_gem_request.h |  4 ----
>  drivers/gpu/drm/i915/intel_ringbuffer.c | 18 +++++++++++++-----
>  3 files changed, 13 insertions(+), 34 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
> index f1c37b7891cb..2c0c6a37f46a 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.c
> +++ b/drivers/gpu/drm/i915/i915_gem_request.c
> @@ -716,28 +716,3 @@ complete:
>  
>  	return ret;
>  }
> -
> -/**
> - * Waits for a request to be signaled, and cleans up the
> - * request and object lists appropriately for that event.
> - */
> -int i915_wait_request(struct drm_i915_gem_request *req)
> -{
> -	int ret;
> -
> -	lockdep_assert_held(&req->i915->drm.struct_mutex);
> -	GEM_BUG_ON(list_empty(&req->link));
> -
> -	ret = __i915_wait_request(req,
> -				  req->i915->mm.interruptible,
> -				  NULL,
> -				  NULL);
> -	if (ret)
> -		return ret;
> -
> -	/* If the GPU hung, we want to keep the requests to find the guilty. */
> -	if (!i915_reset_in_progress(&req->i915->gpu_error))
> -		i915_gem_request_retire_upto(req);
> -
> -	return 0;
> -}
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
> index b1ee37896feb..f4aab8e60c9e 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.h
> +++ b/drivers/gpu/drm/i915/i915_gem_request.h
> @@ -220,10 +220,6 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
>  			struct intel_rps_client *rps)
>  	__attribute__((nonnull(1)));
>  
> -int __must_check
> -i915_wait_request(struct drm_i915_gem_request *req)
> -	__attribute__((nonnull));
> -
>  static inline u32 intel_engine_get_seqno(struct intel_engine_cs *engine);
>  
>  /**
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
> index af76869c8db2..507576ef8077 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.c
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
> @@ -2284,6 +2284,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
>  {
>  	struct intel_ring *ring = req->ring;
>  	struct drm_i915_gem_request *target;
> +	int ret;
>  
>  	intel_ring_update_space(ring);
>  	if (ring->space >= bytes)
> @@ -2313,7 +2314,18 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
>  	if (WARN_ON(&target->ring_link == &ring->request_list))
>  		return -ENOSPC;
>  
> -	return i915_wait_request(target);
> +	ret = __i915_wait_request(target, true, NULL, NULL);
> +	if (ret)
> +		return ret;
> +
> +	if (i915_reset_in_progress(&target->i915->gpu_error))
> +		return -EAGAIN;
> +
> +	i915_gem_request_retire_upto(target);
> +
> +	intel_ring_update_space(ring);
> +	GEM_BUG_ON(ring->space < bytes);
> +	return 0;
>  }
>  
>  int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
> @@ -2351,10 +2363,6 @@ int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
>  		int ret = wait_for_space(req, wait_bytes);
>  		if (unlikely(ret))
>  			return ret;
> -
> -		intel_ring_update_space(ring);
> -		if (unlikely(ring->space < wait_bytes))
> -			return -EAGAIN;
>  	}
>  
>  	if (unlikely(need_wrap)) {
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index f1c37b7891cb..2c0c6a37f46a 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -716,28 +716,3 @@  complete:
 
 	return ret;
 }
-
-/**
- * Waits for a request to be signaled, and cleans up the
- * request and object lists appropriately for that event.
- */
-int i915_wait_request(struct drm_i915_gem_request *req)
-{
-	int ret;
-
-	lockdep_assert_held(&req->i915->drm.struct_mutex);
-	GEM_BUG_ON(list_empty(&req->link));
-
-	ret = __i915_wait_request(req,
-				  req->i915->mm.interruptible,
-				  NULL,
-				  NULL);
-	if (ret)
-		return ret;
-
-	/* If the GPU hung, we want to keep the requests to find the guilty. */
-	if (!i915_reset_in_progress(&req->i915->gpu_error))
-		i915_gem_request_retire_upto(req);
-
-	return 0;
-}
diff --git a/drivers/gpu/drm/i915/i915_gem_request.h b/drivers/gpu/drm/i915/i915_gem_request.h
index b1ee37896feb..f4aab8e60c9e 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.h
+++ b/drivers/gpu/drm/i915/i915_gem_request.h
@@ -220,10 +220,6 @@  int __i915_wait_request(struct drm_i915_gem_request *req,
 			struct intel_rps_client *rps)
 	__attribute__((nonnull(1)));
 
-int __must_check
-i915_wait_request(struct drm_i915_gem_request *req)
-	__attribute__((nonnull));
-
 static inline u32 intel_engine_get_seqno(struct intel_engine_cs *engine);
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index af76869c8db2..507576ef8077 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -2284,6 +2284,7 @@  static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
 {
 	struct intel_ring *ring = req->ring;
 	struct drm_i915_gem_request *target;
+	int ret;
 
 	intel_ring_update_space(ring);
 	if (ring->space >= bytes)
@@ -2313,7 +2314,18 @@  static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
 	if (WARN_ON(&target->ring_link == &ring->request_list))
 		return -ENOSPC;
 
-	return i915_wait_request(target);
+	ret = __i915_wait_request(target, true, NULL, NULL);
+	if (ret)
+		return ret;
+
+	if (i915_reset_in_progress(&target->i915->gpu_error))
+		return -EAGAIN;
+
+	i915_gem_request_retire_upto(target);
+
+	intel_ring_update_space(ring);
+	GEM_BUG_ON(ring->space < bytes);
+	return 0;
 }
 
 int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
@@ -2351,10 +2363,6 @@  int intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords)
 		int ret = wait_for_space(req, wait_bytes);
 		if (unlikely(ret))
 			return ret;
-
-		intel_ring_update_space(ring);
-		if (unlikely(ring->space < wait_bytes))
-			return -EAGAIN;
 	}
 
 	if (unlikely(need_wrap)) {