From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
This way in the following patch we can disconnect requests
from contexts.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/intel_lrc.c | 3 ++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index e6b51b95e4ee..69be3dcbcdcc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -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
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 1a4c7f6c648d..b4f718cca587 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -477,7 +477,7 @@ 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");
@@ -615,6 +615,7 @@ 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);
--
2.8.1
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