// SPDX-License-Identifier: GPL-2.0
/*
* Test case for drm_damage_helper functions
*
* Copyright (c) 2022 Maíra Canal <[email protected]>
*/
#include <kunit/test.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_plane.h>
#include <drm/drm_drv.h>
struct drm_damage_mock {
struct drm_driver driver;
struct drm_device device;
struct drm_object_properties obj_props;
struct drm_plane plane;
struct drm_property prop;
struct drm_framebuffer fb;
struct drm_plane_state state;
struct drm_plane_state old_state;
};
static int drm_damage_helper_init(struct kunit *test)
{
struct drm_damage_mock *mock;
mock = kunit_kzalloc(test, sizeof(*mock), GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, mock);
mock->fb.width = 2048;
mock->fb.height = 2048;
mock->state.crtc = ZERO_SIZE_PTR;
mock->state.fb = &mock->fb;
mock->state.visible = true;
mock->old_state.plane = &mock->plane;
mock->state.plane = &mock->plane;
/* just enough so that drm_plane_enable_fb_damage_clips() works */
mock->device.driver = &mock->driver;
mock->device.mode_config.prop_fb_damage_clips = &mock->prop;
mock->plane.dev = &mock->device;
mock->obj_props.count = 0;
mock->plane.base.properties = &mock->obj_props;
mock->prop.base.id = 1; /* 0 is an invalid id */
mock->prop.dev = &mock->device;
drm_plane_enable_fb_damage_clips(&mock->plane);
test->priv = mock;
return 0;
}
static void set_plane_src(struct drm_plane_state *state, int x1, int y1, int x2,
int y2)
{
state->src_x = x1;
state->src_y = y1;
state->src_w = x2 - x1;
state->src_h = y2 - y1;
state->src.x1 = x1;
state->src.y1 = y1;
state->src.x2 = x2;
state->src.y2 = y2;
}
static void set_damage_clip(struct drm_mode_rect *r, int x1, int y1, int x2,
int y2)
{
r->x1 = x1;
r->y1 = y1;
r->x2 = x2;
r->y2 = y2;
}
static void set_damage_blob(struct drm_property_blob *damage_blob,
struct drm_mode_rect *r, u32 size)
{
damage_blob->length = size;
damage_blob->data = r;
}
static void set_plane_damage(struct drm_plane_state *state,
struct drm_property_blob *damage_blob)
{
state->fb_damage_clips = damage_blob;
}
static void check_damage_clip(struct kunit *test, struct drm_rect *r,
int x1, int y1, int x2, int y2)
{
struct drm_damage_mock *mock = test->priv;
struct drm_plane_state state = mock->state;
/*
* Round down x1/y1 and round up x2/y2. This is because damage is not in
* 16.16 fixed point so to catch all pixels.
*/
int src_x1 = state.src.x1 >> 16;
int src_y1 = state.src.y1 >> 16;
int src_x2 = (state.src.x2 >> 16) + !!(state.src.x2 & 0xFFFF);
int src_y2 = (state.src.y2 >> 16) + !!(state.src.y2 & 0xFFFF);
if (x1 >= x2 || y1 >= y2)
KUNIT_FAIL(test, "Cannot have damage clip with no dimension.");
if (x1 < src_x1 || y1 < src_y1 || x2 > src_x2 || y2 > src_y2)
KUNIT_FAIL(test, "Damage cannot be outside rounded plane src.");
if (r->x1 != x1 || r->y1 != y1 || r->x2 != x2 || r->y2 != y2)
KUNIT_FAIL(test, "Damage = %d %d %d %d, want = %d %d %d %d",
r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
}
static void drm_test_damage_iter_no_damage(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src same as fb size. */
set_plane_src(&mock->old_state, 0, 0, mock->fb.width << 16, mock->fb.height << 16);
set_plane_src(&mock->state, 0, 0, mock->fb.width << 16, mock->fb.height << 16);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage.");
check_damage_clip(test, &clip, 0, 0, 2048, 2048);
}
static void drm_test_damage_iter_no_damage_fractional_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src has fractional part. */
set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
set_plane_src(&mock->state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1,
"Should return rounded off plane src as damage.");
check_damage_clip(test, &clip, 3, 3, 1028, 772);
}
static void drm_test_damage_iter_no_damage_src_moved(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src moved since old plane state. */
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 10 << 16, 10 << 16,
(10 + 1024) << 16, (10 + 768) << 16);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage.");
check_damage_clip(test, &clip, 10, 10, 1034, 778);
}
static void drm_test_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src has fractional part and it moved since old plane state. */
set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return plane src as damage.");
check_damage_clip(test, &clip, 4, 4, 1029, 773);
}
static void drm_test_damage_iter_no_damage_not_visible(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
mock->state.visible = false;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
}
static void drm_test_damage_iter_no_damage_no_crtc(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
mock->state.crtc = NULL;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
}
static void drm_test_damage_iter_no_damage_no_fb(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
u32 num_hits = 0;
mock->state.fb = NULL;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
}
static void drm_test_damage_iter_simple_damage(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
/* Damage set to plane src */
set_damage_clip(&damage, 0, 0, 1024, 768);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set.");
check_damage_clip(test, &clip, 0, 0, 1024, 768);
}
static void drm_test_damage_iter_single_damage(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
set_damage_clip(&damage, 256, 192, 768, 576);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set.");
check_damage_clip(test, &clip, 256, 192, 768, 576);
}
static void drm_test_damage_iter_single_damage_intersect_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
/* Damage intersect with plane src. */
set_damage_clip(&damage, 256, 192, 1360, 768);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage clipped to src.");
check_damage_clip(test, &clip, 256, 192, 1024, 768);
}
static void drm_test_damage_iter_single_damage_outside_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
/* Damage clip outside plane src */
set_damage_clip(&damage, 1360, 1360, 1380, 1380);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
}
static void drm_test_damage_iter_single_damage_fractional_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src has fractional part. */
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_damage_clip(&damage, 10, 10, 256, 330);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set.");
check_damage_clip(test, &clip, 10, 10, 256, 330);
}
static void drm_test_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src has fractional part. */
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
/* Damage intersect with plane src. */
set_damage_clip(&damage, 10, 1, 1360, 330);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1,
"Should return damage clipped to rounded off src.");
check_damage_clip(test, &clip, 10, 4, 1029, 330);
}
static void drm_test_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src has fractional part. */
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
/* Damage clip outside plane src */
set_damage_clip(&damage, 1360, 1360, 1380, 1380);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
}
static void drm_test_damage_iter_single_damage_src_moved(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src moved since old plane state. */
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 10 << 16, 10 << 16,
(10 + 1024) << 16, (10 + 768) << 16);
set_damage_clip(&damage, 20, 30, 256, 256);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1,
"Should return plane src as damage.");
check_damage_clip(test, &clip, 10, 10, 1034, 778);
}
static void drm_test_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage;
struct drm_rect clip;
u32 num_hits = 0;
/* Plane src with fractional part moved since old plane state. */
set_plane_src(&mock->old_state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
/* Damage intersect with plane src. */
set_damage_clip(&damage, 20, 30, 1360, 256);
set_damage_blob(&damage_blob, &damage, sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1,
"Should return rounded off plane as damage.");
check_damage_clip(test, &clip, 4, 4, 1029, 773);
}
static void drm_test_damage_iter_damage(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage[2];
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
/* 2 damage clips. */
set_damage_clip(&damage[0], 20, 30, 200, 180);
set_damage_clip(&damage[1], 240, 200, 280, 250);
set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip) {
if (num_hits == 0)
check_damage_clip(test, &clip, 20, 30, 200, 180);
if (num_hits == 1)
check_damage_clip(test, &clip, 240, 200, 280, 250);
num_hits++;
}
KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
}
static void drm_test_damage_iter_damage_one_intersect(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage[2];
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
/* 2 damage clips, one intersect plane src. */
set_damage_clip(&damage[0], 20, 30, 200, 180);
set_damage_clip(&damage[1], 2, 2, 1360, 1360);
set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip) {
if (num_hits == 0)
check_damage_clip(test, &clip, 20, 30, 200, 180);
if (num_hits == 1)
check_damage_clip(test, &clip, 4, 4, 1029, 773);
num_hits++;
}
KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
}
static void drm_test_damage_iter_damage_one_outside(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage[2];
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0, 0, 1024 << 16, 768 << 16);
set_plane_src(&mock->state, 0, 0, 1024 << 16, 768 << 16);
/* 2 damage clips, one outside plane src. */
set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
set_damage_clip(&damage[1], 240, 200, 280, 250);
set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1, "Should return damage when set.");
check_damage_clip(test, &clip, 240, 200, 280, 250);
}
static void drm_test_damage_iter_damage_src_moved(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage[2];
struct drm_rect clip;
u32 num_hits = 0;
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
/* 2 damage clips, one outside plane src. */
set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
set_damage_clip(&damage[1], 240, 200, 280, 250);
set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 1,
"Should return round off plane src as damage.");
check_damage_clip(test, &clip, 3, 3, 1028, 772);
}
static void drm_test_damage_iter_damage_not_visible(struct kunit *test)
{
struct drm_damage_mock *mock = test->priv;
struct drm_atomic_helper_damage_iter iter;
struct drm_property_blob damage_blob;
struct drm_mode_rect damage[2];
struct drm_rect clip;
u32 num_hits = 0;
mock->state.visible = false;
set_plane_src(&mock->old_state, 0x40002, 0x40002,
0x40002 + (1024 << 16), 0x40002 + (768 << 16));
set_plane_src(&mock->state, 0x3fffe, 0x3fffe,
0x3fffe + (1024 << 16), 0x3fffe + (768 << 16));
/* 2 damage clips, one outside plane src. */
set_damage_clip(&damage[0], 1360, 1360, 1380, 1380);
set_damage_clip(&damage[1], 240, 200, 280, 250);
set_damage_blob(&damage_blob, &damage[0], sizeof(damage));
set_plane_damage(&mock->state, &damage_blob);
drm_atomic_helper_damage_iter_init(&iter, &mock->old_state, &mock->state);
drm_atomic_for_each_plane_damage(&iter, &clip)
num_hits++;
KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should not return any damage.");
}
static struct kunit_case drm_damage_helper_tests[] = {
KUNIT_CASE(drm_test_damage_iter_no_damage),
KUNIT_CASE(drm_test_damage_iter_no_damage_fractional_src),
KUNIT_CASE(drm_test_damage_iter_no_damage_src_moved),
KUNIT_CASE(drm_test_damage_iter_no_damage_fractional_src_moved),
KUNIT_CASE(drm_test_damage_iter_no_damage_not_visible),
KUNIT_CASE(drm_test_damage_iter_no_damage_no_crtc),
KUNIT_CASE(drm_test_damage_iter_no_damage_no_fb),
KUNIT_CASE(drm_test_damage_iter_simple_damage),
KUNIT_CASE(drm_test_damage_iter_single_damage),
KUNIT_CASE(drm_test_damage_iter_single_damage_intersect_src),
KUNIT_CASE(drm_test_damage_iter_single_damage_outside_src),
KUNIT_CASE(drm_test_damage_iter_single_damage_fractional_src),
KUNIT_CASE(drm_test_damage_iter_single_damage_intersect_fractional_src),
KUNIT_CASE(drm_test_damage_iter_single_damage_outside_fractional_src),
KUNIT_CASE(drm_test_damage_iter_single_damage_src_moved),
KUNIT_CASE(drm_test_damage_iter_single_damage_fractional_src_moved),
KUNIT_CASE(drm_test_damage_iter_damage),
KUNIT_CASE(drm_test_damage_iter_damage_one_intersect),
KUNIT_CASE(drm_test_damage_iter_damage_one_outside),
KUNIT_CASE(drm_test_damage_iter_damage_src_moved),
KUNIT_CASE(drm_test_damage_iter_damage_not_visible),
{ }
};
static struct kunit_suite drm_damage_helper_test_suite = {
.name = "drm_damage_helper",
.init = drm_damage_helper_init,
.test_cases = drm_damage_helper_tests,
};
kunit_test_suite(drm_damage_helper_test_suite);
MODULE_DESCRIPTION("Test case for drm_damage_helper functions");
MODULE_LICENSE("GPL");
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