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Date: Fri, 8 Jul 2022 17:30:48 -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,
siqueirajordao@...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: kunit-dev@...glegroups.com, linux-kselftest@...r.kernel.org,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Maíra Canal <maira.canal@....br>,
"Djakson C . G . Filho" <djakson.filho@...il.com>,
Anderson Fraga <aaafraga@...il.com>
Subject: [PATCH v5 5/9] 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>
Tested-by: David Gow <davidgow@...gle.com>
Acked-by: Daniel Latypov <dlatypov@...gle.com>
Reviewed-by: Javier Martinez Canillas <javierm@...hat.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/Makefile | 2 +-
.../drm_plane_helper_test.c} | 122 ++++++++++--------
5 files changed, 71 insertions(+), 59 deletions(-)
rename drivers/gpu/drm/{selftests/test-drm_plane_helper.c => tests/drm_plane_helper_test.c} (57%)
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-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o \
test-drm_buddy.o
diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
index 63061ef55eff..22e467f6465a 100644
--- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h
+++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h
@@ -6,7 +6,6 @@
*
* Tests are executed in order by igt/drm_selftests_helper
*/
-selftest(check_plane_state, igt_check_plane_state)
selftest(check_drm_framebuffer_create, igt_check_drm_framebuffer_create)
selftest(dp_mst_calc_pbn_mode, igt_dp_mst_calc_pbn_mode)
selftest(dp_mst_sideband_msg_req_decode, igt_dp_mst_sideband_msg_req_decode)
diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
index 5709d967a5c4..790f3cf31f0d 100644
--- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h
+++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
@@ -16,7 +16,6 @@
#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
-int igt_check_plane_state(void *ignored);
int igt_check_drm_framebuffer_create(void *ignored);
int igt_dp_mst_calc_pbn_mode(void *ignored);
int igt_dp_mst_sideband_msg_req_decode(void *ignored);
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index 1aa1627cb5e6..4d44006a4f23 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_DRM_KUNIT_TEST) += drm_format_helper_test.o drm_damage_helper_test.o \
- drm_cmdline_parser_test.o drm_rect_test.o drm_format_test.o
+ drm_cmdline_parser_test.o drm_rect_test.o drm_format_test.o drm_plane_helper_test.o
diff --git a/drivers/gpu/drm/selftests/test-drm_plane_helper.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
similarity index 57%
rename from drivers/gpu/drm/selftests/test-drm_plane_helper.c
rename to drivers/gpu/drm/tests/drm_plane_helper_test.c
index 64e8938ab194..e298766cd41f 100644
--- a/drivers/gpu/drm/selftests/test-drm_plane_helper.c
+++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
@@ -1,20 +1,20 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Test cases for the drm_plane_helper functions
+ *
+ * Copyright (c) 2022 Maíra Canal <mairacanal@...eup.net>
*/
-#define pr_fmt(fmt) "drm_plane_helper: " fmt
+#include <kunit/test.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_framebuffer.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)
+ unsigned int src_x, unsigned int src_y,
+ unsigned int src_w, unsigned int src_h)
{
plane_state->src_x = src_x;
plane_state->src_y = src_y;
@@ -23,8 +23,8 @@ static void set_src(struct drm_plane_state *plane_state,
}
static bool check_src_eq(struct drm_plane_state *plane_state,
- unsigned src_x, unsigned src_y,
- unsigned src_w, unsigned src_h)
+ unsigned int src_x, unsigned int src_y,
+ unsigned int src_w, unsigned int src_h)
{
if (plane_state->src.x1 < 0) {
pr_err("src x coordinate %x should never be below 0.\n", plane_state->src.x1);
@@ -50,7 +50,7 @@ static bool check_src_eq(struct drm_plane_state *plane_state,
static void set_crtc(struct drm_plane_state *plane_state,
int crtc_x, int crtc_y,
- unsigned crtc_w, unsigned crtc_h)
+ unsigned int crtc_w, unsigned int crtc_h)
{
plane_state->crtc_x = crtc_x;
plane_state->crtc_y = crtc_y;
@@ -60,7 +60,7 @@ static void set_crtc(struct drm_plane_state *plane_state,
static bool check_crtc_eq(struct drm_plane_state *plane_state,
int crtc_x, int crtc_y,
- unsigned crtc_w, unsigned crtc_h)
+ unsigned int crtc_w, unsigned int crtc_h)
{
if (plane_state->dst.x1 != crtc_x ||
plane_state->dst.y1 != crtc_y ||
@@ -74,7 +74,7 @@ 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;
@@ -83,9 +83,8 @@ int igt_check_plane_state(void *ignored)
.enable = true,
.active = true,
.mode = {
- DRM_MODE("1024x768", 0, 65000, 1024, 1048,
- 1184, 1344, 0, 768, 771, 777, 806, 0,
- DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)
+ DRM_MODE("1024x768", 0, 65000, 1024, 1048, 1184, 1344, 0, 768, 771,
+ 777, 806, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC)
},
};
static struct drm_plane plane = {
@@ -109,10 +108,10 @@ 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;
@@ -120,10 +119,10 @@ 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. */
@@ -133,16 +132,17 @@ 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);
@@ -151,28 +151,28 @@ 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);
@@ -181,10 +181,10 @@ 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);
@@ -192,10 +192,11 @@ 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);
@@ -203,11 +204,11 @@ 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);
@@ -215,10 +216,23 @@ 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_cases = drm_plane_helper_test,
+};
+
+kunit_test_suite(drm_plane_helper_test_suite);
+
+MODULE_LICENSE("GPL");
--
2.35.3
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