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Align GPU VA to previous power of 2.

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Aligning to next power of 2 was excessive.
We really need previous power of 2.

Signed-off-by: Michal Mrozek <michal.mrozek@intel.com>
This commit is contained in:
Michal Mrozek
2022-11-10 14:23:45 +00:00
committed by Compute-Runtime-Automation
parent 1fb036a3b4
commit 508ad66313
2 changed files with 4 additions and 4 deletions
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6
shared/test/unit_test/os_interface/linux/drm_memory_manager_tests.cpp
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@@ -5088,7 +5088,7 @@ TEST_F(DrmMemoryManagerWithLocalMemoryAndExplicitExpectationsTest, givenOversize
memoryManager->freeGraphicsMemory(allocation);
}
TEST_F(DrmMemoryManagerWithLocalMemoryAndExplicitExpectationsTest, givenHeapExtendedWhenAllocationsAreMadeTheyAreAlignedToNextPowerOfTwo) {
TEST_F(DrmMemoryManagerWithLocalMemoryAndExplicitExpectationsTest, givenHeapExtendedWhenAllocationsAreMadeTheyAreAlignedToPreviousPowerOfTwo) {
if (!memoryManager->getGfxPartition(rootDeviceIndex)->getHeapLimit(HeapIndex::HEAP_EXTENDED)) {
GTEST_SKIP();
}
@@ -5107,14 +5107,14 @@ TEST_F(DrmMemoryManagerWithLocalMemoryAndExplicitExpectationsTest, givenHeapExte
EXPECT_EQ(allocData.size, static_cast<DrmAllocation *>(allocation)->getBO()->peekSize());
EXPECT_TRUE(allocation->getGpuAddress() % size == 0u);
size = 32 * MemoryConstants::megaByte;
size = 33 * MemoryConstants::megaByte;
allocData.size = size;
auto allocation2 = memoryManager->allocateGraphicsMemoryInDevicePool(allocData, status);
EXPECT_EQ(MemoryManager::AllocationStatus::Success, status);
ASSERT_NE(nullptr, allocation2);
EXPECT_EQ(allocData.size, allocation2->getUnderlyingBufferSize());
EXPECT_EQ(allocData.size, static_cast<DrmAllocation *>(allocation2)->getBO()->peekSize());
EXPECT_TRUE(allocation2->getGpuAddress() % size == 0u);
EXPECT_TRUE(allocation2->getGpuAddress() % Math::prevPowerOfTwo(size) == 0u);
memoryManager->freeGraphicsMemory(allocation);
memoryManager->freeGraphicsMemory(allocation2);