From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
As a complement to inject_preempt_context(), follow up with the function
to handle its completion. This will be useful should we wish to extend
the duties of the preempt-context for execlists.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Jeff McGee <jeff.mcgee@xxxxxxxxx>
Cc: Michał Winiarski <michal.winiarski@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 53f1c009ed7b..0bfaeb56b8c7 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -531,8 +531,17 @@ static void inject_preempt_context(struct intel_engine_cs *engine)
if (execlists->ctrl_reg)
writel(EL_CTRL_LOAD, execlists->ctrl_reg);
- execlists_clear_active(&engine->execlists, EXECLISTS_ACTIVE_HWACK);
- execlists_set_active(&engine->execlists, EXECLISTS_ACTIVE_PREEMPT);
+ execlists_clear_active(execlists, EXECLISTS_ACTIVE_HWACK);
+ execlists_set_active(execlists, EXECLISTS_ACTIVE_PREEMPT);
+}
+
+static void complete_preempt_context(struct intel_engine_execlists *execlists)
+{
+ execlists_cancel_port_requests(execlists);
+ execlists_unwind_incomplete_requests(execlists);
+
+ GEM_BUG_ON(!execlists_is_active(execlists, EXECLISTS_ACTIVE_PREEMPT));
+ execlists_clear_active(execlists, EXECLISTS_ACTIVE_PREEMPT);
}
static void execlists_dequeue(struct intel_engine_cs *engine)
@@ -939,14 +948,7 @@ static void execlists_submission_tasklet(unsigned long data)
if (status & GEN8_CTX_STATUS_COMPLETE &&
buf[2*head + 1] == execlists->preempt_complete_status) {
GEM_TRACE("%s preempt-idle\n", engine->name);
-
- execlists_cancel_port_requests(execlists);
- execlists_unwind_incomplete_requests(execlists);
-
- GEM_BUG_ON(!execlists_is_active(execlists,
- EXECLISTS_ACTIVE_PREEMPT));
- execlists_clear_active(execlists,
- EXECLISTS_ACTIVE_PREEMPT);
+ complete_preempt_context(execlists);
continue;
}
--
2.16.2
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