diff options
Diffstat (limited to 'drivers/gpu/drm/tests')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_plane_helper_test.c | 467 |
1 files changed, 269 insertions, 198 deletions
diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c index 4963f0c960d8..0f392146b233 100644 --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c @@ -12,233 +12,304 @@ #include <drm/drm_modes.h> #include <drm/drm_rect.h> -static void set_src(struct drm_plane_state *plane_state, - unsigned int src_x, unsigned int src_y, - unsigned int src_w, unsigned int src_h) +static const struct drm_crtc_state crtc_state = { + .crtc = ZERO_SIZE_PTR, + .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) + }, +}; + +struct drm_check_plane_state_test { + const char *name; + const char *msg; + struct { + unsigned int x; + unsigned int y; + unsigned int w; + unsigned int h; + } src, src_expected; + struct { + int x; + int y; + unsigned int w; + unsigned int h; + } crtc, crtc_expected; + unsigned int rotation; + int min_scale; + int max_scale; + bool can_position; +}; + +static int drm_plane_helper_init(struct kunit *test) { - plane_state->src_x = src_x; - plane_state->src_y = src_y; - plane_state->src_w = src_w; - plane_state->src_h = src_h; + const struct drm_check_plane_state_test *params = test->param_value; + struct drm_plane *plane; + struct drm_framebuffer *fb; + struct drm_plane_state *mock; + + plane = kunit_kzalloc(test, sizeof(*plane), GFP_KERNEL); + KUNIT_ASSERT_NOT_NULL(test, plane); + + fb = kunit_kzalloc(test, sizeof(*fb), GFP_KERNEL); + KUNIT_ASSERT_NOT_NULL(test, fb); + fb->width = 2048; + fb->height = 2048; + + mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL); + KUNIT_ASSERT_NOT_NULL(test, mock); + mock->plane = plane; + mock->crtc = ZERO_SIZE_PTR; + mock->fb = fb; + mock->rotation = params->rotation; + mock->src_x = params->src.x; + mock->src_y = params->src.y; + mock->src_w = params->src.w; + mock->src_h = params->src.h; + mock->crtc_x = params->crtc.x; + mock->crtc_y = params->crtc.y; + mock->crtc_w = params->crtc.w; + mock->crtc_h = params->crtc.h; + + test->priv = mock; + + return 0; } -static bool check_src_eq(struct kunit *test, struct drm_plane_state *plane_state, +static void check_src_eq(struct kunit *test, struct drm_plane_state *plane_state, unsigned int src_x, unsigned int src_y, unsigned int src_w, unsigned int src_h) { struct drm_rect expected = DRM_RECT_INIT(src_x, src_y, src_w, src_h); - if (plane_state->src.x1 < 0) { - kunit_err(test, - "src x coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT, - plane_state->src.x1, DRM_RECT_FP_ARG(&plane_state->src)); - return false; - } - if (plane_state->src.y1 < 0) { - kunit_err(test, - "src y coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT, - plane_state->src.y1, DRM_RECT_FP_ARG(&plane_state->src)); - return false; - } - - if (plane_state->src.x1 != expected.x1 || - plane_state->src.y1 != expected.y1 || - drm_rect_width(&plane_state->src) != drm_rect_width(&expected) || - drm_rect_height(&plane_state->src) != drm_rect_height(&expected)) { - kunit_err(test, "src: " DRM_RECT_FP_FMT ", expected: " DRM_RECT_FP_FMT, - DRM_RECT_FP_ARG(&plane_state->src), DRM_RECT_FP_ARG(&expected)); - - return false; - } - - return true; -} + KUNIT_ASSERT_GE_MSG(test, plane_state->src.x1, 0, + "src x coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT, + plane_state->src.x1, DRM_RECT_FP_ARG(&plane_state->src)); -static void set_crtc(struct drm_plane_state *plane_state, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h) -{ - plane_state->crtc_x = crtc_x; - plane_state->crtc_y = crtc_y; - plane_state->crtc_w = crtc_w; - plane_state->crtc_h = crtc_h; + KUNIT_ASSERT_GE_MSG(test, plane_state->src.y1, 0, + "src y coordinate %x should never be below 0, src: " DRM_RECT_FP_FMT, + plane_state->src.y1, DRM_RECT_FP_ARG(&plane_state->src)); + + KUNIT_EXPECT_TRUE_MSG(test, drm_rect_equals(&plane_state->src, &expected), + "dst: " DRM_RECT_FP_FMT ", expected: " DRM_RECT_FP_FMT, + DRM_RECT_FP_ARG(&plane_state->src), DRM_RECT_FP_ARG(&expected)); } -static bool check_crtc_eq(struct kunit *test, struct drm_plane_state *plane_state, +static void check_crtc_eq(struct kunit *test, struct drm_plane_state *plane_state, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h) { struct drm_rect expected = DRM_RECT_INIT(crtc_x, crtc_y, crtc_w, crtc_h); - if (plane_state->dst.x1 != expected.x1 || - plane_state->dst.y1 != expected.y1 || - drm_rect_width(&plane_state->dst) != drm_rect_width(&expected) || - drm_rect_height(&plane_state->dst) != drm_rect_height(&expected)) { - kunit_err(test, "dst: " DRM_RECT_FMT ", expected: " DRM_RECT_FMT, - DRM_RECT_ARG(&plane_state->dst), DRM_RECT_ARG(&expected)); + KUNIT_EXPECT_TRUE_MSG(test, drm_rect_equals(&plane_state->dst, &expected), + "dst: " DRM_RECT_FMT ", expected: " DRM_RECT_FMT, + DRM_RECT_ARG(&plane_state->dst), DRM_RECT_ARG(&expected)); +} + +static void drm_test_check_plane_state(struct kunit *test) +{ + const struct drm_check_plane_state_test *params = test->param_value; + struct drm_plane_state *plane_state = test->priv; - return false; - } + KUNIT_ASSERT_EQ_MSG(test, + drm_atomic_helper_check_plane_state(plane_state, &crtc_state, + params->min_scale, + params->max_scale, + params->can_position, false), + 0, params->msg); + KUNIT_EXPECT_TRUE(test, plane_state->visible); + check_src_eq(test, plane_state, params->src_expected.x, params->src_expected.y, + params->src_expected.w, params->src_expected.h); + check_crtc_eq(test, plane_state, params->crtc_expected.x, params->crtc_expected.y, + params->crtc_expected.w, params->crtc_expected.h); +} - return true; +static void drm_check_plane_state_desc(const struct drm_check_plane_state_test *t, + char *desc) +{ + sprintf(desc, "%s", t->name); } -static void drm_test_check_plane_state(struct kunit *test) +static const struct drm_check_plane_state_test drm_check_plane_state_tests[] = { + { + .name = "clipping_simple", + .msg = "Simple clipping check should pass", + .src = { 0, 0, + 2048 << 16, + 2048 << 16 }, + .crtc = { 0, 0, 2048, 2048 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + .src_expected = { 0, 0, 1024 << 16, 768 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, + { + .name = "clipping_rotate_reflect", + .msg = "Rotated clipping check should pass", + .src = { 0, 0, + 2048 << 16, + 2048 << 16 }, + .crtc = { 0, 0, 2048, 2048 }, + .rotation = DRM_MODE_ROTATE_90 | DRM_MODE_REFLECT_X, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + .src_expected = { 0, 0, 768 << 16, 1024 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, + { + .name = "positioning_simple", + .msg = "Simple positioning should work", + .src = { 0, 0, 1023 << 16, 767 << 16 }, + .crtc = { 0, 0, 1023, 767 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = true, + .src_expected = { 0, 0, 1023 << 16, 767 << 16 }, + .crtc_expected = { 0, 0, 1023, 767 }, + }, + { + .name = "upscaling", + .msg = "Upscaling exactly 2x should work", + .src = { 0, 0, 512 << 16, 384 << 16 }, + .crtc = { 0, 0, 1024, 768 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = 0x8000, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + .src_expected = { 0, 0, 512 << 16, 384 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, + { + .name = "downscaling", + .msg = "Should succeed with exact scaling limit", + .src = { 0, 0, 2048 << 16, 1536 << 16 }, + .crtc = { 0, 0, 1024, 768 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = 0x20000, + .can_position = false, + .src_expected = { 0, 0, 2048 << 16, 1536 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, + { + .name = "rounding1", + .msg = "Should succeed by clipping to exact multiple", + .src = { 0, 0, 0x40001, 0x40001 }, + .crtc = { 1022, 766, 4, 4 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = 0x10001, + .can_position = true, + .src_expected = { 0, 0, 2 << 16, 2 << 16 }, + .crtc_expected = { 1022, 766, 2, 2 }, + }, + { + .name = "rounding2", + .msg = "Should succeed by clipping to exact multiple", + .src = { 0x20001, 0x20001, 0x4040001, 0x3040001 }, + .crtc = { -2, -2, 1028, 772 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = 0x10001, + .can_position = false, + .src_expected = { 0x40002, 0x40002, 1024 << 16, 768 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, + { + .name = "rounding3", + .msg = "Should succeed by clipping to exact multiple", + .src = { 0, 0, 0x3ffff, 0x3ffff }, + .crtc = { 1022, 766, 4, 4 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = 0xffff, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = true, + /* Should not be rounded to 0x20001, which would be upscaling. */ + .src_expected = { 0, 0, 2 << 16, 2 << 16 }, + .crtc_expected = { 1022, 766, 2, 2 }, + }, + { + .name = "rounding4", + .msg = "Should succeed by clipping to exact multiple", + .src = { 0x1ffff, 0x1ffff, 0x403ffff, 0x303ffff }, + .crtc = { -2, -2, 1028, 772 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = 0xffff, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + .src_expected = { 0x3fffe, 0x3fffe, 1024 << 16, 768 << 16 }, + .crtc_expected = { 0, 0, 1024, 768 }, + }, +}; + +KUNIT_ARRAY_PARAM(drm_check_plane_state, drm_check_plane_state_tests, drm_check_plane_state_desc); + +static void drm_test_check_invalid_plane_state(struct kunit *test) { - int ret; - - static const struct drm_crtc_state crtc_state = { - .crtc = ZERO_SIZE_PTR, - .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) - }, - }; - static struct drm_plane plane = { - .dev = NULL - }; - static struct drm_framebuffer fb = { - .width = 2048, - .height = 2048 - }; - static struct drm_plane_state plane_state = { - .plane = &plane, - .crtc = ZERO_SIZE_PTR, - .fb = &fb, - .rotation = DRM_MODE_ROTATE_0 - }; - - /* Simple clipping, no scaling. */ - set_src(&plane_state, 0, 0, fb.width << 16, fb.height << 16); - set_crtc(&plane_state, 0, 0, fb.width, fb.height); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - DRM_PLANE_NO_SCALING, - DRM_PLANE_NO_SCALING, - false, false); - 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(test, &plane_state, 0, 0, 1024 << 16, 768 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768)); - - /* Rotated clipping + reflection, no scaling. */ - plane_state.rotation = DRM_MODE_ROTATE_90 | DRM_MODE_REFLECT_X; - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - DRM_PLANE_NO_SCALING, - DRM_PLANE_NO_SCALING, - false, false); - 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(test, &plane_state, 0, 0, 768 << 16, 1024 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768)); - plane_state.rotation = DRM_MODE_ROTATE_0; - - /* Check whether positioning works correctly. */ - set_src(&plane_state, 0, 0, 1023 << 16, 767 << 16); - set_crtc(&plane_state, 0, 0, 1023, 767); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - DRM_PLANE_NO_SCALING, - DRM_PLANE_NO_SCALING, - false, false); - 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_NO_SCALING, - DRM_PLANE_NO_SCALING, - true, false); - 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(test, &plane_state, 0, 0, 1023 << 16, 767 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1023, 767)); - - /* Simple scaling tests. */ - set_src(&plane_state, 0, 0, 512 << 16, 384 << 16); - set_crtc(&plane_state, 0, 0, 1024, 768); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - 0x8001, - DRM_PLANE_NO_SCALING, - false, false); - 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_NO_SCALING, - false, false); - 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(test, &plane_state, 0, 0, 512 << 16, 384 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &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_NO_SCALING, - 0x1ffff, false, false); - 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_NO_SCALING, - 0x20000, false, false); - 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(test, &plane_state, 0, 0, 2048 << 16, 1536 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768)); - - /* Testing rounding errors. */ - set_src(&plane_state, 0, 0, 0x40001, 0x40001); - set_crtc(&plane_state, 1022, 766, 4, 4); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - DRM_PLANE_NO_SCALING, - 0x10001, - true, false); - 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(test, &plane_state, 0, 0, 2 << 16, 2 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 1022, 766, 2, 2)); - - set_src(&plane_state, 0x20001, 0x20001, 0x4040001, 0x3040001); - set_crtc(&plane_state, -2, -2, 1028, 772); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - DRM_PLANE_NO_SCALING, - 0x10001, - false, false); - 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(test, &plane_state, 0x40002, 0x40002, - 1024 << 16, 768 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768)); - - set_src(&plane_state, 0, 0, 0x3ffff, 0x3ffff); - set_crtc(&plane_state, 1022, 766, 4, 4); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - 0xffff, - DRM_PLANE_NO_SCALING, - true, false); - 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. */ - KUNIT_EXPECT_TRUE(test, check_src_eq(test, &plane_state, 0, 0, 2 << 16, 2 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 1022, 766, 2, 2)); - - set_src(&plane_state, 0x1ffff, 0x1ffff, 0x403ffff, 0x303ffff); - set_crtc(&plane_state, -2, -2, 1028, 772); - ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, - 0xffff, - DRM_PLANE_NO_SCALING, - false, false); - 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(test, &plane_state, 0x3fffe, 0x3fffe, - 1024 << 16, 768 << 16)); - KUNIT_EXPECT_TRUE(test, check_crtc_eq(test, &plane_state, 0, 0, 1024, 768)); + const struct drm_check_plane_state_test *params = test->param_value; + struct drm_plane_state *plane_state = test->priv; + + KUNIT_ASSERT_LT_MSG(test, + drm_atomic_helper_check_plane_state(plane_state, &crtc_state, + params->min_scale, + params->max_scale, + params->can_position, false), + 0, params->msg); } +static const struct drm_check_plane_state_test drm_check_invalid_plane_state_tests[] = { + { + .name = "positioning_invalid", + .msg = "Should not be able to position on the crtc with can_position=false", + .src = { 0, 0, 1023 << 16, 767 << 16 }, + .crtc = { 0, 0, 1023, 767 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + }, + { + .name = "upscaling_invalid", + .msg = "Upscaling out of range should fail", + .src = { 0, 0, 512 << 16, 384 << 16 }, + .crtc = { 0, 0, 1024, 768 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = 0x8001, + .max_scale = DRM_PLANE_NO_SCALING, + .can_position = false, + }, + { + .name = "downscaling_invalid", + .msg = "Downscaling out of range should fail", + .src = { 0, 0, 2048 << 16, 1536 << 16 }, + .crtc = { 0, 0, 1024, 768 }, + .rotation = DRM_MODE_ROTATE_0, + .min_scale = DRM_PLANE_NO_SCALING, + .max_scale = 0x1ffff, + .can_position = false, + }, +}; + +KUNIT_ARRAY_PARAM(drm_check_invalid_plane_state, drm_check_invalid_plane_state_tests, + drm_check_plane_state_desc); + static struct kunit_case drm_plane_helper_test[] = { - KUNIT_CASE(drm_test_check_plane_state), + KUNIT_CASE_PARAM(drm_test_check_plane_state, drm_check_plane_state_gen_params), + KUNIT_CASE_PARAM(drm_test_check_invalid_plane_state, + drm_check_invalid_plane_state_gen_params), {} }; static struct kunit_suite drm_plane_helper_test_suite = { .name = "drm_plane_helper", + .init = drm_plane_helper_init, .test_cases = drm_plane_helper_test, }; |