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Message-Id: <20220615135824.15522-7-maira.canal@usp.br>
Date: Wed, 15 Jun 2022 10:58:20 -0300
From: Maíra Canal <maira.canal@....br>
To: Isabella Basso <isabbasso@...eup.net>, magalilemes00@...il.com,
tales.aparecida@...il.com, mwen@...lia.com, andrealmeid@...eup.net,
Trevor Woerner <twoerner@...il.com>,
leandro.ribeiro@...labora.com, n@...aprado.net,
Daniel Vetter <daniel@...ll.ch>,
Shuah Khan <skhan@...uxfoundation.org>,
David Airlie <airlied@...ux.ie>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
michal.winiarski@...el.com,
Javier Martinez Canillas <javierm@...hat.com>,
José Expósito <jose.exposito89@...il.com>,
David Gow <davidgow@...gle.com>,
Daniel Latypov <dlatypov@...gle.com>, brendanhiggins@...gle.com
Cc: dri-devel@...ts.freedesktop.org, linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org, kunit-dev@...glegroups.com,
Maíra Canal <maira.canal@....br>,
"Djakson C . G . Filho" <djakson.filho@...il.com>,
Anderson Fraga <aaafraga@...il.com>
Subject: [PATCH 06/10] drm: selftest: convert drm_plane_helper selftest to KUnit
Considering the current adoption of the KUnit framework, convert the
DRM plane helper selftest to the KUnit API.
Co-developed-by: Djakson C. G. Filho <djakson.filho@...il.com>
Signed-off-by: Djakson C. G. Filho <djakson.filho@...il.com>
Co-developed-by: Anderson Fraga <aaafraga@...il.com>
Signed-off-by: Anderson Fraga <aaafraga@...il.com>
Signed-off-by: Maíra Canal <maira.canal@....br>
---
drivers/gpu/drm/selftests/Makefile | 4 +-
.../gpu/drm/selftests/drm_modeset_selftests.h | 1 -
.../drm/selftests/test-drm_modeset_common.h | 1 -
drivers/gpu/drm/tests/Kconfig | 12 +++
drivers/gpu/drm/tests/Makefile | 1 +
.../test-drm_plane_helper.c | 101 ++++++++++--------
6 files changed, 70 insertions(+), 50 deletions(-)
rename drivers/gpu/drm/{selftests => tests}/test-drm_plane_helper.c (62%)
diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile
index b7f252d886d0..9e0ccb482841 100644
--- a/drivers/gpu/drm/selftests/Makefile
+++ b/drivers/gpu/drm/selftests/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
-test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o \
- test-drm_framebuffer.o test-drm_dp_mst_helper.o
+test-drm_modeset-y := test-drm_modeset_common.o test-drm_framebuffer.o \
+ test-drm_dp_mst_helper.o
obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o \
test-drm_buddy.o
diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
index 63061ef55eff..22e467f6465a 100644
--- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h
+++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
@@ -6,7 +6,6 @@
*
* Tests are executed in order by igt/drm_selftests_helper
*/
-selftest(check_plane_state, igt_check_plane_state)
selftest(check_drm_framebuffer_create, igt_check_drm_framebuffer_create)
selftest(dp_mst_calc_pbn_mode, igt_dp_mst_calc_pbn_mode)
selftest(dp_mst_sideband_msg_req_decode, igt_dp_mst_sideband_msg_req_decode)
diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
index 5709d967a5c4..790f3cf31f0d 100644
--- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h
+++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
@@ -16,7 +16,6 @@
#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
-int igt_check_plane_state(void *ignored);
int igt_check_drm_framebuffer_create(void *ignored);
int igt_dp_mst_calc_pbn_mode(void *ignored);
int igt_dp_mst_sideband_msg_req_decode(void *ignored);
diff --git a/drivers/gpu/drm/tests/Kconfig b/drivers/gpu/drm/tests/Kconfig
index 7c4f76560152..5aa8ac2dd28e 100644
--- a/drivers/gpu/drm/tests/Kconfig
+++ b/drivers/gpu/drm/tests/Kconfig
@@ -61,4 +61,16 @@ config DRM_FORMAT_KUNIT_TEST
If in doubt, say "N".
+config DRM_PLANE_HELPER_KUNIT_TEST
+ tristate "KUnit tests for DRM plane helper" if !DRM_KUNIT_TEST
+ select DRM_KMS_HELPER
+ default y if DRM_KUNIT_TEST
+ help
+ This option provides KUnit modules that can be used to run
+ various selftests on parts of the DRM plane helper API. This
+ option is not useful for distributions or general kernels, but only
+ for kernel developers working on DRM and associated drivers.
+
+ If in doubt, say "N".
+
endmenu
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index 95d1f67f609d..6e3a10806cd8 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -3,3 +3,4 @@ obj-$(CONFIG_DRM_DAMAGE_HELPER_KUNIT_TEST) += test-drm_damage_helper.o
obj-$(CONFIG_DRM_CMDLINE_PARSER_KUNIT_TEST) += test-drm_cmdline_parser.o
obj-$(CONFIG_DRM_RECT_KUNIT_TEST) += test-drm_rect.o
obj-$(CONFIG_DRM_FORMAT_KUNIT_TEST) += test-drm_format.o
+obj-$(CONFIG_DRM_PLANE_HELPER_KUNIT_TEST) += test-drm_plane_helper.o
diff --git a/drivers/gpu/drm/selftests/test-drm_plane_helper.c b/drivers/gpu/drm/tests/test-drm_plane_helper.c
similarity index 62%
rename from drivers/gpu/drm/selftests/test-drm_plane_helper.c
rename to drivers/gpu/drm/tests/test-drm_plane_helper.c
index b61273e9c403..354c2c8d9f1c 100644
--- a/drivers/gpu/drm/selftests/test-drm_plane_helper.c
+++ b/drivers/gpu/drm/tests/test-drm_plane_helper.c
@@ -3,14 +3,11 @@
* Test cases for the drm_plane_helper functions
*/
-#define pr_fmt(fmt) "drm_plane_helper: " fmt
-
+#include <kunit/test.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_modes.h>
-#include "test-drm_modeset_common.h"
-
static void set_src(struct drm_plane_state *plane_state,
unsigned src_x, unsigned src_y,
unsigned src_w, unsigned src_h)
@@ -73,7 +70,7 @@ static bool check_crtc_eq(struct drm_plane_state *plane_state,
return true;
}
-int igt_check_plane_state(void *ignored)
+static void igt_check_plane_state(struct kunit *test)
{
int ret;
@@ -108,10 +105,10 @@ int igt_check_plane_state(void *ignored)
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(ret < 0, "Simple clipping check should pass\n");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 1024 << 16, 768 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple clipping check should pass\n");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1024 << 16, 768 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
/* Rotated clipping + reflection, no scaling. */
plane_state.rotation = DRM_MODE_ROTATE_90 | DRM_MODE_REFLECT_X;
@@ -119,10 +116,10 @@ int igt_check_plane_state(void *ignored)
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(ret < 0, "Rotated clipping check should pass\n");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 768 << 16, 1024 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Rotated clipping check should pass\n");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 768 << 16, 1024 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
plane_state.rotation = DRM_MODE_ROTATE_0;
/* Check whether positioning works correctly. */
@@ -132,16 +129,17 @@ int igt_check_plane_state(void *ignored)
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(!ret, "Should not be able to position on the crtc with can_position=false\n");
+ KUNIT_EXPECT_TRUE_MSG(test, ret,
+ "Should not be able to position on the crtc with can_position=false\n");
ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
DRM_PLANE_HELPER_NO_SCALING,
true, false);
- FAIL(ret < 0, "Simple positioning should work\n");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 1023 << 16, 767 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1023, 767));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple positioning should work\n");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1023 << 16, 767 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1023, 767));
/* Simple scaling tests. */
set_src(&plane_state, 0, 0, 512 << 16, 384 << 16);
@@ -150,28 +148,28 @@ int igt_check_plane_state(void *ignored)
0x8001,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(!ret, "Upscaling out of range should fail.\n");
+ KUNIT_EXPECT_TRUE_MSG(test, ret, "Upscaling out of range should fail.\n");
ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
0x8000,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(ret < 0, "Upscaling exactly 2x should work\n");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 512 << 16, 384 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Upscaling exactly 2x should work\n");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 512 << 16, 384 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
set_src(&plane_state, 0, 0, 2048 << 16, 1536 << 16);
ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
0x1ffff, false, false);
- FAIL(!ret, "Downscaling out of range should fail.\n");
+ KUNIT_EXPECT_TRUE_MSG(test, ret, "Downscaling out of range should fail.\n");
ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
DRM_PLANE_HELPER_NO_SCALING,
0x20000, false, false);
- FAIL(ret < 0, "Should succeed with exact scaling limit\n");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 2048 << 16, 1536 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed with exact scaling limit\n");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2048 << 16, 1536 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
/* Testing rounding errors. */
set_src(&plane_state, 0, 0, 0x40001, 0x40001);
@@ -180,10 +178,10 @@ int igt_check_plane_state(void *ignored)
DRM_PLANE_HELPER_NO_SCALING,
0x10001,
true, false);
- FAIL(ret < 0, "Should succeed by clipping to exact multiple");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 1022, 766, 2, 2));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2));
set_src(&plane_state, 0x20001, 0x20001, 0x4040001, 0x3040001);
set_crtc(&plane_state, -2, -2, 1028, 772);
@@ -191,10 +189,10 @@ int igt_check_plane_state(void *ignored)
DRM_PLANE_HELPER_NO_SCALING,
0x10001,
false, false);
- FAIL(ret < 0, "Should succeed by clipping to exact multiple");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0x40002, 0x40002, 1024 << 16, 768 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x40002, 0x40002, 1024 << 16, 768 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
set_src(&plane_state, 0, 0, 0x3ffff, 0x3ffff);
set_crtc(&plane_state, 1022, 766, 4, 4);
@@ -202,11 +200,11 @@ int igt_check_plane_state(void *ignored)
0xffff,
DRM_PLANE_HELPER_NO_SCALING,
true, false);
- FAIL(ret < 0, "Should succeed by clipping to exact multiple");
- FAIL_ON(!plane_state.visible);
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
/* Should not be rounded to 0x20001, which would be upscaling. */
- FAIL_ON(!check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 1022, 766, 2, 2));
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2));
set_src(&plane_state, 0x1ffff, 0x1ffff, 0x403ffff, 0x303ffff);
set_crtc(&plane_state, -2, -2, 1028, 772);
@@ -214,10 +212,21 @@ int igt_check_plane_state(void *ignored)
0xffff,
DRM_PLANE_HELPER_NO_SCALING,
false, false);
- FAIL(ret < 0, "Should succeed by clipping to exact multiple");
- FAIL_ON(!plane_state.visible);
- FAIL_ON(!check_src_eq(&plane_state, 0x3fffe, 0x3fffe, 1024 << 16, 768 << 16));
- FAIL_ON(!check_crtc_eq(&plane_state, 0, 0, 1024, 768));
-
- return 0;
+ KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple");
+ KUNIT_EXPECT_TRUE(test, plane_state.visible);
+ KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x3fffe, 0x3fffe,
+ 1024 << 16, 768 << 16));
+ KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768));
}
+
+static struct kunit_case drm_plane_helper_test[] = {
+ KUNIT_CASE(igt_check_plane_state),
+ {}
+};
+
+static struct kunit_suite drm_plane_helper_test_suite = {
+ .name = "drm_plane_helper_test",
+ .test_cases = drm_plane_helper_test,
+};
+
+kunit_test_suite(drm_plane_helper_test_suite);
--
2.36.1
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