GVT request needs a manual mmio load/restore. Before GuC submit
a request, send notification to gvt for mmio loading. And after
the GuC finished this GVT request, notify gvt again for mmio
restore. This follows the usage when using execlists submission.
Cc: xiao.zheng@xxxxxxxxx
Cc: kevin.tian@xxxxxxxxx
Cc: joonas.lahtinen@xxxxxxxxxxxxxxx
Cc: chris@xxxxxxxxxxxxxxxxxx
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_guc_submission.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 862f4fd..2f3bb16 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -606,6 +606,8 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq)
unsigned long flags;
int b_ret;
+ intel_gvt_notify_context_status(rq, INTEL_CONTEXT_SCHEDULE_IN);
+
/* WA to flush out the pending GMADR writes to ring buffer. */
if (i915_vma_is_map_and_fenceable(rq->ring->vma))
POSTING_READ_FW(GUC_STATUS);
@@ -712,6 +714,8 @@ static void i915_guc_irq_handler(unsigned long data)
rq = port[0].request;
while (rq && i915_gem_request_completed(rq)) {
trace_i915_gem_request_out(rq);
+ intel_gvt_notify_context_status(rq,
+ INTEL_CONTEXT_SCHEDULE_OUT);
i915_gem_request_put(rq);
port[0].request = port[1].request;
port[1].request = NULL;
--
2.7.4
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