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kfdtest: A+A: CP writes to NC mem need flush

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Refer to commit "Mark buffers accessed by CP as UC"

A+A buffers are mapped as NC. CP (PM4Writes) need ReleaseMem function to
ensure the write go through to the memory

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Change-Id: I4ee55a6e40fba078f5950d95c8fee7ee076260bf
This commit is contained in:
Harish Kasiviswanathan
2020-12-27 11:05:19 -05:00
committed by Kent Russell
parent 0e8500b886
commit 57f46b53ec
4 changed files with 48 additions and 15 deletions
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tests/kfdtest/src/KFDPMTest.cpp
+6 -2
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@@ -78,8 +78,11 @@ TEST_F(KFDPMTest, SuspendWithIdleQueueAfterWork) {
ASSERT_SUCCESS(queue.Create(defaultGPUNode));
HsaEvent *event;
ASSERT_SUCCESS(CreateQueueTypeEvent(false, false, defaultGPUNode, &event));
queue.PlaceAndSubmitPacket(PM4WriteDataPacket(destBuffer.As<unsigned int*>(), 0x1, 0x2));
queue.Wait4PacketConsumption();
queue.Wait4PacketConsumption(event);
WaitOnValue(&(destBuffer.As<unsigned int*>()[0]), 0x1);
WaitOnValue(&(destBuffer.As<unsigned int*>()[1]), 0x2);
@@ -88,7 +91,7 @@ TEST_F(KFDPMTest, SuspendWithIdleQueueAfterWork) {
EXPECT_EQ(true, SuspendAndWakeUp());
queue.PlaceAndSubmitPacket(PM4WriteDataPacket(&(destBuffer.As<unsigned int*>()[2]), 0x3, 0x4));
queue.Wait4PacketConsumption();
queue.Wait4PacketConsumption(event);
EXPECT_EQ(destBuffer.As<unsigned int*>()[0], 0);
EXPECT_EQ(destBuffer.As<unsigned int*>()[1], 0);
@@ -96,6 +99,7 @@ TEST_F(KFDPMTest, SuspendWithIdleQueueAfterWork) {
WaitOnValue(&(destBuffer.As<unsigned int*>()[2]), 0x3);
WaitOnValue(&(destBuffer.As<unsigned int*>()[3]), 0x4);
hsaKmtDestroyEvent(event);
EXPECT_SUCCESS(queue.Destroy());
TEST_END