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drm/i915: Store LRC hardware id in the request

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This way in the following patch we can disconnect requests
from contexts.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1461833819-3991-23-git-send-email-chris@chris-wilson.co.uk
This commit is contained in:
Tvrtko Ursulin 2016-04-28 09:56:57 +01:00 committed by Chris Wilson
parent a16a405259
commit a3d127616e
2 changed files with 4 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
View file

@ -2352,6 +2352,8 @@ struct drm_i915_gem_request {
/** Execlists no. of times this request has been sent to the ELSP */
int elsp_submitted;
/** Execlists context hardware id. */
unsigned ctx_hw_id;
};
struct drm_i915_gem_request * __must_check

3
drivers/gpu/drm/i915/intel_lrc.c
View file

@ -481,7 +481,7 @@ execlists_check_remove_request(struct intel_engine_cs *engine, u32 request_id)
if (!head_req)
return 0;
if (unlikely(head_req->ctx->hw_id != request_id))
if (unlikely(head_req->ctx_hw_id != request_id))
return 0;
WARN(head_req->elsp_submitted == 0, "Never submitted head request\n");
@ -619,6 +619,7 @@ static void execlists_context_queue(struct drm_i915_gem_request *request)
}
list_add_tail(&request->execlist_link, &engine->execlist_queue);
request->ctx_hw_id = request->ctx->hw_id;
if (num_elements == 0)
execlists_context_unqueue(engine);