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Mon, 26 Feb 2024 15:11:16 -0600 From: Harry Wentland To: , CC: , Harry Wentland Subject: [RFC PATCH v4 18/42] drm/vkms: Add kunit tests for linear and sRGB LUTs Date: Mon, 26 Feb 2024 16:10:32 -0500 Message-ID: <20240226211100.100108-19-harry.wentland@amd.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240226211100.100108-1-harry.wentland@amd.com> References: <20240226211100.100108-1-harry.wentland@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Received-SPF: None (SATLEXMB04.amd.com: harry.wentland@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL02EPF0001A108:EE_|SJ2PR12MB8720:EE_ X-MS-Office365-Filtering-Correlation-Id: 653607db-e3a5-4efd-46a0-08dc370f7a5c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230031)(36860700004); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Feb 2024 21:11:19.6203 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 653607db-e3a5-4efd-46a0-08dc370f7a5c X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL02EPF0001A108.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR12MB8720 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Signed-off-by: Harry Wentland --- drivers/gpu/drm/vkms/tests/vkms_color_tests.c | 37 ++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/tests/vkms_color_tests.c b/drivers/gpu/drm/vkms/tests/vkms_color_tests.c index fc73e48aa57c..e6ac01dee830 100644 --- a/drivers/gpu/drm/vkms/tests/vkms_color_tests.c +++ b/drivers/gpu/drm/vkms/tests/vkms_color_tests.c @@ -31,7 +31,6 @@ const struct vkms_color_lut test_linear_lut = { .channel_value2index_ratio = 0xf000fll }; - static void vkms_color_test_get_lut_index(struct kunit *test) { int i; @@ -40,6 +39,19 @@ static void vkms_color_test_get_lut_index(struct kunit *test) for (i = 0; i < TEST_LUT_SIZE; i++) KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&test_linear_lut, test_linear_array[i].red)), i); + + KUNIT_EXPECT_EQ(test, drm_fixp2int(get_lut_index(&srgb_eotf, 0x0)), 0x0); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x0)), 0x0); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x101)), 0x1); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0x202)), 0x2); + + KUNIT_EXPECT_EQ(test, drm_fixp2int(get_lut_index(&srgb_inv_eotf, 0x0)), 0x0); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x0)), 0x0); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x101)), 0x1); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_inv_eotf, 0x202)), 0x2); + + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0xfefe)), 0xfe); + KUNIT_EXPECT_EQ(test, drm_fixp2int_ceil(get_lut_index(&srgb_eotf, 0xffff)), 0xff); } static void vkms_color_test_lerp(struct kunit *test) @@ -148,9 +160,32 @@ static void vkms_color_test_lerp(struct kunit *test) KUNIT_EXPECT_EQ(test, lerp_u16(0x0, 0x1, 0x80000000), 0x1); } +static void vkms_color_test_linear(struct kunit *test) +{ + for (int i = 0; i < LUT_SIZE; i++) { + int linear = apply_lut_to_channel_value(&linear_eotf, i * 0x101, LUT_RED); + KUNIT_EXPECT_EQ(test, DIV_ROUND_CLOSEST(linear, 0x101), i); + } +} + +static void vkms_color_srgb_inv_srgb(struct kunit *test) +{ + u16 srgb, final; + + for (int i = 0; i < LUT_SIZE; i++) { + srgb = apply_lut_to_channel_value(&srgb_eotf, i * 0x101, LUT_RED); + final = apply_lut_to_channel_value(&srgb_inv_eotf, srgb, LUT_RED); + + KUNIT_EXPECT_GE(test, final / 0x101, i-1); + KUNIT_EXPECT_LE(test, final / 0x101, i+1); + } +} + static struct kunit_case vkms_color_test_cases[] = { KUNIT_CASE(vkms_color_test_get_lut_index), KUNIT_CASE(vkms_color_test_lerp), + KUNIT_CASE(vkms_color_test_linear), + KUNIT_CASE(vkms_color_srgb_inv_srgb), {} }; -- 2.44.0