diff mbox

[v2,03/14] drm/i915: Add ourselves to the gpu error waitqueue for the entire wait

Message ID 20170214095413.26452-4-chris@chris-wilson.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

Chris Wilson Feb. 14, 2017, 9:54 a.m. UTC
Add ourselves to the gpu error waitqueue earllier on, even before we
determine we have to wait on the seqno. This is so that we can then
share the waitqueue between stages in subsequent patches.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem_request.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

Comments

Tvrtko Ursulin Feb. 15, 2017, 5:11 p.m. UTC | #1
On 14/02/2017 09:54, Chris Wilson wrote:
> Add ourselves to the gpu error waitqueue earllier on, even before we
> determine we have to wait on the seqno. This is so that we can then
> share the waitqueue between stages in subsequent patches.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/i915_gem_request.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
> index f7ff3736797f..dcc0a7ab95dc 100644
> --- a/drivers/gpu/drm/i915/i915_gem_request.c
> +++ b/drivers/gpu/drm/i915/i915_gem_request.c
> @@ -1081,6 +1081,9 @@ long i915_wait_request(struct drm_i915_gem_request *req,
>
>  	trace_i915_gem_request_wait_begin(req);
>
> +	if (flags & I915_WAIT_LOCKED)
> +		add_wait_queue(errq, &reset);
> +
>  	if (!i915_sw_fence_done(&req->execute)) {
>  		timeout = __i915_request_wait_for_execute(req, flags, timeout);
>  		if (timeout < 0)
> @@ -1096,9 +1099,6 @@ long i915_wait_request(struct drm_i915_gem_request *req,
>  		goto complete;
>
>  	set_current_state(state);
> -	if (flags & I915_WAIT_LOCKED)
> -		add_wait_queue(errq, &reset);
> -
>  	intel_wait_init(&wait, req->global_seqno);
>  	if (intel_engine_add_wait(req->engine, &wait))
>  		/* In order to check that we haven't missed the interrupt
> @@ -1158,11 +1158,11 @@ long i915_wait_request(struct drm_i915_gem_request *req,
>  	}
>
>  	intel_engine_remove_wait(req->engine, &wait);
> -	if (flags & I915_WAIT_LOCKED)
> -		remove_wait_queue(errq, &reset);
>  	__set_current_state(TASK_RUNNING);
>
>  complete:
> +	if (flags & I915_WAIT_LOCKED)
> +		remove_wait_queue(errq, &reset);
>  	trace_i915_gem_request_wait_end(req);
>
>  	return timeout;
>

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index f7ff3736797f..dcc0a7ab95dc 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -1081,6 +1081,9 @@  long i915_wait_request(struct drm_i915_gem_request *req,
 
 	trace_i915_gem_request_wait_begin(req);
 
+	if (flags & I915_WAIT_LOCKED)
+		add_wait_queue(errq, &reset);
+
 	if (!i915_sw_fence_done(&req->execute)) {
 		timeout = __i915_request_wait_for_execute(req, flags, timeout);
 		if (timeout < 0)
@@ -1096,9 +1099,6 @@  long i915_wait_request(struct drm_i915_gem_request *req,
 		goto complete;
 
 	set_current_state(state);
-	if (flags & I915_WAIT_LOCKED)
-		add_wait_queue(errq, &reset);
-
 	intel_wait_init(&wait, req->global_seqno);
 	if (intel_engine_add_wait(req->engine, &wait))
 		/* In order to check that we haven't missed the interrupt
@@ -1158,11 +1158,11 @@  long i915_wait_request(struct drm_i915_gem_request *req,
 	}
 
 	intel_engine_remove_wait(req->engine, &wait);
-	if (flags & I915_WAIT_LOCKED)
-		remove_wait_queue(errq, &reset);
 	__set_current_state(TASK_RUNNING);
 
 complete:
+	if (flags & I915_WAIT_LOCKED)
+		remove_wait_queue(errq, &reset);
 	trace_i915_gem_request_wait_end(req);
 
 	return timeout;