// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_UNITTEST_CC_
#define UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_UNITTEST_CC_
#include "ui/ozone/platform/drm/gpu/drm_gpu_util.h"
#include "build/chromeos_buildflags.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/ozone/platform/drm/gpu/fake_drm_device.h"
#include "ui/ozone/platform/drm/gpu/fake_drm_device_generator.h"
namespace ui {
namespace {
using ::testing::AllOf;
using ::testing::Eq;
using ::testing::Field;
using ::testing::IsEmpty;
using ::testing::Matcher;
using ::testing::UnorderedElementsAre;
Matcher<const CrtcConnectorPair&> PairEq(const CrtcConnectorPair& value) {
return AllOf(Field(&CrtcConnectorPair::connector_id, Eq(value.connector_id)),
Field(&CrtcConnectorPair::crtc_id, Eq(value.crtc_id)));
}
FakeDrmDevice::ConnectorProperties& CreateConnectorWithPossibleCrtcs(
raw_ptr<FakeDrmDevice> drm,
uint32_t possible_crtcs) {
FakeDrmDevice::EncoderProperties& encoder = drm->AddEncoder();
encoder.possible_crtcs = possible_crtcs;
const uint32_t encoder_id = encoder.id;
FakeDrmDevice::ConnectorProperties& connector = drm->AddConnector();
connector.connection = true;
connector.encoders = std::vector<uint32_t>{encoder_id};
return connector;
}
} // namespace
class DrmGpuUtilTest : public testing::Test {
public:
DrmGpuUtilTest() {
fake_device_generator_ = std::make_unique<FakeDrmDeviceGenerator>();
device_ = fake_device_generator_->CreateDevice(
base::FilePath("/test/dri/card0"), base::ScopedFD(),
/*is_primary_device=*/true);
fake_drm_ = static_cast<FakeDrmDevice*>(device_.get());
}
ControllerConfigParams CreateFakeParamWithConnectorId(uint32_t connector_id) {
return ControllerConfigParams(/*display_id=*/0, device_, /*crtc=*/0,
connector_id, /*origin=*/gfx::Point(0, 0),
/*pmode=*/nullptr);
}
std::unique_ptr<DrmDeviceGenerator> fake_device_generator_;
scoped_refptr<DrmDevice> device_;
raw_ptr<FakeDrmDevice> fake_drm_;
};
// TODO(b/322831691): Deterministic failure.
#if BUILDFLAG(IS_CHROMEOS_ASH)
#define MAYBE_EmptyPossibleCrtcsForConnector \
DISABLED_EmptyPossibleCrtcsForConnector
#else
#define MAYBE_EmptyPossibleCrtcsForConnector EmptyPossibleCrtcsForConnector
#endif
TEST_F(DrmGpuUtilTest, MAYBE_EmptyPossibleCrtcsForConnector) {
EXPECT_DEATH_IF_SUPPORTED(GetAllCrtcConnectorPermutations(*fake_drm_, {}),
"No connectors specified");
}
TEST_F(DrmGpuUtilTest, EmptyPossibleCrtcs) {
fake_drm_->ResetStateWithAllProperties();
uint32_t connector_1 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0).id;
uint32_t connector_2 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0).id;
fake_drm_->InitializeState(/*use_atomic*/ true);
EXPECT_THAT(GetAllCrtcConnectorPermutations(
*fake_drm_, {CreateFakeParamWithConnectorId(connector_1),
CreateFakeParamWithConnectorId(connector_2)}),
IsEmpty());
}
TEST_F(DrmGpuUtilTest, ThreeConnectorsSameThreeCrtcs) {
fake_drm_->ResetStateWithAllProperties();
// Add 3 CRTCs
uint32_t crtc_1 = fake_drm_->AddCrtc().id;
uint32_t crtc_2 = fake_drm_->AddCrtc().id;
uint32_t crtc_3 = fake_drm_->AddCrtc().id;
// Add 3 encoders and connectors that can use all 3 CRTCs.
uint32_t connector_1 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
uint32_t connector_2 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
uint32_t connector_3 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
fake_drm_->InitializeState(/*use_atomic*/ true);
// 3! = 6 permutations
// {{crtc_1, connector_1}, {crtc_2, connector_2}, {crtc_3, connector_3}},
// {{crtc_1, connector_1}, {crtc_3, connector_2}, {crtc_2, connector_3}},
// {{crtc_2, connector_1}, {crtc_1, connector_2}, {crtc_3, connector_3}},
// {{crtc_2, connector_1}, {crtc_3, connector_2}, {crtc_1, connector_3}},
// {{crtc_3, connector_1}, {crtc_2, connector_2}, {crtc_1, connector_3}},
// {{crtc_3, connector_1}, {crtc_1, connector_2}, {crtc_2, connector_3}}
EXPECT_THAT(GetAllCrtcConnectorPermutations(
*fake_drm_, {CreateFakeParamWithConnectorId(connector_1),
CreateFakeParamWithConnectorId(connector_2),
CreateFakeParamWithConnectorId(connector_3)}),
UnorderedElementsAre(
UnorderedElementsAre(PairEq({crtc_1, connector_1}),
PairEq({crtc_2, connector_2}),
PairEq({crtc_3, connector_3})),
UnorderedElementsAre(PairEq({crtc_1, connector_1}),
PairEq({crtc_3, connector_2}),
PairEq({crtc_2, connector_3})),
UnorderedElementsAre(PairEq({crtc_2, connector_1}),
PairEq({crtc_1, connector_2}),
PairEq({crtc_3, connector_3})),
UnorderedElementsAre(PairEq({crtc_2, connector_1}),
PairEq({crtc_3, connector_2}),
PairEq({crtc_1, connector_3})),
UnorderedElementsAre(PairEq({crtc_3, connector_1}),
PairEq({crtc_2, connector_2}),
PairEq({crtc_1, connector_3})),
UnorderedElementsAre(PairEq({crtc_3, connector_1}),
PairEq({crtc_1, connector_2}),
PairEq({crtc_2, connector_3}))));
}
// GetAllCrtcConnectorPermutations() should filter out permutations where not
// all connectors are assigned a CRTC (But the inverse of not all CRTCs being
// assigned connectors is OK).
TEST_F(DrmGpuUtilTest, FilterConnectorWithoutCrtcPermutaitons) {
fake_drm_->ResetStateWithAllProperties();
// Add 2 CRTCs
fake_drm_->AddCrtc();
fake_drm_->AddCrtc();
// Add 3 encoders and connectors that can use all 2 CRTCs.
uint32_t connector_1 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b11).id;
uint32_t connector_2 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b11).id;
uint32_t connector_3 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b11).id;
fake_drm_->InitializeState(/*use_atomic*/ true);
EXPECT_THAT(GetAllCrtcConnectorPermutations(
*fake_drm_, {CreateFakeParamWithConnectorId(connector_1),
CreateFakeParamWithConnectorId(connector_2),
CreateFakeParamWithConnectorId(connector_3)}),
IsEmpty());
}
TEST_F(DrmGpuUtilTest, MoreCrtcsThanConnectors) {
fake_drm_->ResetStateWithAllProperties();
// Add 3 CRTCs
uint32_t crtc_1 = fake_drm_->AddCrtc().id;
uint32_t crtc_2 = fake_drm_->AddCrtc().id;
uint32_t crtc_3 = fake_drm_->AddCrtc().id;
// Add 2 encoders and connectors that can use all 3 CRTCs.
uint32_t connector_1 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
uint32_t connector_2 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
fake_drm_->InitializeState(/*use_atomic*/ true);
// 2 * 3 = 6 permutations
// {{crtc_1, connector_1}, {crtc_2, connector_2},
// {{crtc_1, connector_1}, {crtc_3, connector_2},
// {{crtc_2, connector_1}, {crtc_1, connector_2},
// {{crtc_2, connector_1}, {crtc_3, connector_2},
// {{crtc_3, connector_1}, {crtc_2, connector_2},
// {{crtc_3, connector_1}, {crtc_1, connector_2}
EXPECT_THAT(GetAllCrtcConnectorPermutations(
*fake_drm_, {CreateFakeParamWithConnectorId(connector_1),
CreateFakeParamWithConnectorId(connector_2)}),
UnorderedElementsAre(
UnorderedElementsAre(PairEq({crtc_1, connector_1}),
PairEq({crtc_2, connector_2})),
UnorderedElementsAre(PairEq({crtc_1, connector_1}),
PairEq({crtc_3, connector_2})),
UnorderedElementsAre(PairEq({crtc_2, connector_1}),
PairEq({crtc_3, connector_2})),
UnorderedElementsAre(PairEq({crtc_2, connector_1}),
PairEq({crtc_1, connector_2})),
UnorderedElementsAre(PairEq({crtc_3, connector_1}),
PairEq({crtc_1, connector_2})),
UnorderedElementsAre(PairEq({crtc_3, connector_1}),
PairEq({crtc_2, connector_2}))));
}
TEST_F(DrmGpuUtilTest, VaryingPossibleCrtcs) {
fake_drm_->ResetStateWithAllProperties();
// Add 3 CRTCs
uint32_t crtc_1 = fake_drm_->AddCrtc().id;
uint32_t crtc_2 = fake_drm_->AddCrtc().id;
uint32_t crtc_3 = fake_drm_->AddCrtc().id;
// Add 3 encoders and connectors that uses combination of the above 3 CRTCs.
uint32_t connector_1 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b111).id;
uint32_t connector_2 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b011).id;
uint32_t connector_3 =
CreateConnectorWithPossibleCrtcs(fake_drm_, /*possible_crtcs=*/0b101).id;
fake_drm_->InitializeState(/*use_atomic*/ true);
// {{crtc_1, connector_1}, {crtc_2, connector_2}, {crtc_3, connector_3}},
// {{crtc_2, connector_1}, {crtc_1, connector_2}, {crtc_3, connector_3}},
// {{crtc_3, connector_1}, {crtc_2, connector_2}, {crtc_1, connector_3}}
EXPECT_THAT(GetAllCrtcConnectorPermutations(
*fake_drm_, {CreateFakeParamWithConnectorId(connector_1),
CreateFakeParamWithConnectorId(connector_2),
CreateFakeParamWithConnectorId(connector_3)}),
UnorderedElementsAre(
UnorderedElementsAre(PairEq({crtc_1, connector_1}),
PairEq({crtc_2, connector_2}),
PairEq({crtc_3, connector_3})),
UnorderedElementsAre(PairEq({crtc_2, connector_1}),
PairEq({crtc_1, connector_2}),
PairEq({crtc_3, connector_3})),
UnorderedElementsAre(PairEq({crtc_3, connector_1}),
PairEq({crtc_2, connector_2}),
PairEq({crtc_1, connector_3}))));
}
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_DRM_GPU_UTIL_UNITTEST_CC_
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