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-rw-r--r--drivers/gpu/drm/tests/Makefile23
-rw-r--r--drivers/gpu/drm/tests/drm_buddy_test.c6
-rw-r--r--drivers/gpu/drm/tests/drm_client_modeset_test.c200
-rw-r--r--drivers/gpu/drm/tests/drm_cmdline_parser_test.c68
-rw-r--r--drivers/gpu/drm/tests/drm_connector_test.c76
-rw-r--r--drivers/gpu/drm/tests/drm_dp_mst_helper_test.c445
-rw-r--r--drivers/gpu/drm/tests/drm_format_helper_test.c392
-rw-r--r--drivers/gpu/drm/tests/drm_kunit_helpers.c110
-rw-r--r--drivers/gpu/drm/tests/drm_managed_test.c71
-rw-r--r--drivers/gpu/drm/tests/drm_mm_test.c14
-rw-r--r--drivers/gpu/drm/tests/drm_modes_test.c158
-rw-r--r--drivers/gpu/drm/tests/drm_plane_helper_test.c467
-rw-r--r--drivers/gpu/drm/tests/drm_probe_helper_test.c218
13 files changed, 1875 insertions, 373 deletions
diff --git a/drivers/gpu/drm/tests/Makefile b/drivers/gpu/drm/tests/Makefile
index 91b70f7d2769..bca726a8f483 100644
--- a/drivers/gpu/drm/tests/Makefile
+++ b/drivers/gpu/drm/tests/Makefile
@@ -1,5 +1,22 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_DRM_KUNIT_TEST) += drm_format_helper_test.o drm_damage_helper_test.o \
- drm_cmdline_parser_test.o drm_rect_test.o drm_format_test.o drm_plane_helper_test.o \
- drm_dp_mst_helper_test.o drm_framebuffer_test.o drm_buddy_test.o drm_mm_test.o
+obj-$(CONFIG_DRM_KUNIT_TEST_HELPERS) += \
+ drm_kunit_helpers.o
+
+obj-$(CONFIG_DRM_KUNIT_TEST) += \
+ drm_buddy_test.o \
+ drm_cmdline_parser_test.o \
+ drm_connector_test.o \
+ drm_damage_helper_test.o \
+ drm_dp_mst_helper_test.o \
+ drm_format_helper_test.o \
+ drm_format_test.o \
+ drm_framebuffer_test.o \
+ drm_managed_test.o \
+ drm_mm_test.o \
+ drm_modes_test.o \
+ drm_plane_helper_test.o \
+ drm_probe_helper_test.o \
+ drm_rect_test.o
+
+CFLAGS_drm_mm_test.o := $(DISABLE_STRUCTLEAK_PLUGIN)
diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
index 62f69589a72d..f8ee714df396 100644
--- a/drivers/gpu/drm/tests/drm_buddy_test.c
+++ b/drivers/gpu/drm/tests/drm_buddy_test.c
@@ -726,11 +726,13 @@ static void drm_test_buddy_alloc_limit(struct kunit *test)
drm_buddy_fini(&mm);
}
-static int drm_buddy_init_test(struct kunit *test)
+static int drm_buddy_suite_init(struct kunit_suite *suite)
{
while (!random_seed)
random_seed = get_random_u32();
+ kunit_info(suite, "Testing DRM buddy manager, with random_seed=0x%x\n", random_seed);
+
return 0;
}
@@ -746,7 +748,7 @@ static struct kunit_case drm_buddy_tests[] = {
static struct kunit_suite drm_buddy_test_suite = {
.name = "drm_buddy",
- .init = drm_buddy_init_test,
+ .suite_init = drm_buddy_suite_init,
.test_cases = drm_buddy_tests,
};
diff --git a/drivers/gpu/drm/tests/drm_client_modeset_test.c b/drivers/gpu/drm/tests/drm_client_modeset_test.c
new file mode 100644
index 000000000000..416a279b6dae
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_client_modeset_test.c
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Maxime Ripard <[email protected]>
+ */
+
+#include <kunit/test.h>
+
+#include <drm/drm_connector.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_probe_helper.h>
+
+struct drm_client_modeset_test_priv {
+ struct drm_device *drm;
+ struct device *dev;
+ struct drm_connector connector;
+};
+
+static int drm_client_modeset_connector_get_modes(struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+ int count;
+
+ count = drm_add_modes_noedid(connector, 1920, 1200);
+
+ mode = drm_mode_analog_ntsc_480i(connector->dev);
+ if (!mode)
+ return count;
+
+ drm_mode_probed_add(connector, mode);
+ count += 1;
+
+ mode = drm_mode_analog_pal_576i(connector->dev);
+ if (!mode)
+ return count;
+
+ drm_mode_probed_add(connector, mode);
+ count += 1;
+
+ return count;
+}
+
+static const struct drm_connector_helper_funcs drm_client_modeset_connector_helper_funcs = {
+ .get_modes = drm_client_modeset_connector_get_modes,
+};
+
+static const struct drm_connector_funcs drm_client_modeset_connector_funcs = {
+};
+
+static int drm_client_modeset_test_init(struct kunit *test)
+{
+ struct drm_client_modeset_test_priv *priv;
+ int ret;
+
+ priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ test->priv = priv;
+
+ priv->dev = drm_kunit_helper_alloc_device(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->dev);
+
+ priv->drm = __drm_kunit_helper_alloc_drm_device(test, priv->dev,
+ sizeof(*priv->drm), 0,
+ DRIVER_MODESET);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm);
+
+ ret = drmm_connector_init(priv->drm, &priv->connector,
+ &drm_client_modeset_connector_funcs,
+ DRM_MODE_CONNECTOR_Unknown,
+ NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_connector_helper_add(&priv->connector, &drm_client_modeset_connector_helper_funcs);
+
+ priv->connector.interlace_allowed = true;
+ priv->connector.doublescan_allowed = true;
+
+ return 0;
+}
+
+static void drm_client_modeset_test_exit(struct kunit *test)
+{
+ struct drm_client_modeset_test_priv *priv = test->priv;
+
+ drm_kunit_helper_free_device(test, priv->dev);
+}
+
+static void drm_test_pick_cmdline_res_1920_1080_60(struct kunit *test)
+{
+ struct drm_client_modeset_test_priv *priv = test->priv;
+ struct drm_device *drm = priv->drm;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode;
+ struct drm_display_mode *expected_mode, *mode;
+ const char *cmdline = "1920x1080@60";
+ int ret;
+
+ expected_mode = drm_mode_find_dmt(priv->drm, 1920, 1080, 60, false);
+ KUNIT_ASSERT_NOT_NULL(test, expected_mode);
+
+ KUNIT_ASSERT_TRUE(test,
+ drm_mode_parse_command_line_for_connector(cmdline,
+ connector,
+ cmdline_mode));
+
+ mutex_lock(&drm->mode_config.mutex);
+ ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080);
+ mutex_unlock(&drm->mode_config.mutex);
+ KUNIT_ASSERT_GT(test, ret, 0);
+
+ mode = drm_connector_pick_cmdline_mode(connector);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode));
+}
+
+struct drm_connector_pick_cmdline_mode_test {
+ const char *cmdline;
+ struct drm_display_mode *(*func)(struct drm_device *drm);
+};
+
+#define TEST_CMDLINE(_cmdline, _fn) \
+ { \
+ .cmdline = _cmdline, \
+ .func = _fn, \
+ }
+
+static void drm_test_pick_cmdline_named(struct kunit *test)
+{
+ const struct drm_connector_pick_cmdline_mode_test *params = test->param_value;
+ struct drm_client_modeset_test_priv *priv = test->priv;
+ struct drm_device *drm = priv->drm;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_cmdline_mode *cmdline_mode = &connector->cmdline_mode;
+ const struct drm_display_mode *expected_mode, *mode;
+ const char *cmdline = params->cmdline;
+ int ret;
+
+ KUNIT_ASSERT_TRUE(test,
+ drm_mode_parse_command_line_for_connector(cmdline,
+ connector,
+ cmdline_mode));
+
+ mutex_lock(&drm->mode_config.mutex);
+ ret = drm_helper_probe_single_connector_modes(connector, 1920, 1080);
+ mutex_unlock(&drm->mode_config.mutex);
+ KUNIT_ASSERT_GT(test, ret, 0);
+
+ mode = drm_connector_pick_cmdline_mode(connector);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ expected_mode = params->func(drm);
+ KUNIT_ASSERT_NOT_NULL(test, expected_mode);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected_mode, mode));
+}
+
+static const
+struct drm_connector_pick_cmdline_mode_test drm_connector_pick_cmdline_mode_tests[] = {
+ TEST_CMDLINE("NTSC", drm_mode_analog_ntsc_480i),
+ TEST_CMDLINE("NTSC-J", drm_mode_analog_ntsc_480i),
+ TEST_CMDLINE("PAL", drm_mode_analog_pal_576i),
+ TEST_CMDLINE("PAL-M", drm_mode_analog_ntsc_480i),
+};
+
+static void
+drm_connector_pick_cmdline_mode_desc(const struct drm_connector_pick_cmdline_mode_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->cmdline);
+}
+
+KUNIT_ARRAY_PARAM(drm_connector_pick_cmdline_mode,
+ drm_connector_pick_cmdline_mode_tests,
+ drm_connector_pick_cmdline_mode_desc);
+
+static struct kunit_case drm_test_pick_cmdline_tests[] = {
+ KUNIT_CASE(drm_test_pick_cmdline_res_1920_1080_60),
+ KUNIT_CASE_PARAM(drm_test_pick_cmdline_named,
+ drm_connector_pick_cmdline_mode_gen_params),
+ {}
+};
+
+static struct kunit_suite drm_test_pick_cmdline_test_suite = {
+ .name = "drm_test_pick_cmdline",
+ .init = drm_client_modeset_test_init,
+ .exit = drm_client_modeset_test_exit,
+ .test_cases = drm_test_pick_cmdline_tests
+};
+
+kunit_test_suite(drm_test_pick_cmdline_test_suite);
+
+/*
+ * This file is included directly by drm_client_modeset.c so we can't
+ * use any MODULE_* macro here.
+ */
diff --git a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
index 34790e7a3760..88f7f518ffb3 100644
--- a/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
+++ b/drivers/gpu/drm/tests/drm_cmdline_parser_test.c
@@ -927,6 +927,14 @@ static const struct drm_cmdline_invalid_test drm_cmdline_invalid_tests[] = {
.name = "invalid_option",
.cmdline = "720x480,test=42",
},
+ {
+ .name = "invalid_tv_option",
+ .cmdline = "720x480i,tv_mode=invalid",
+ },
+ {
+ .name = "truncated_tv_option",
+ .cmdline = "720x480i,tv_mode=NTS",
+ },
};
static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t,
@@ -937,6 +945,65 @@ static void drm_cmdline_invalid_desc(const struct drm_cmdline_invalid_test *t,
KUNIT_ARRAY_PARAM(drm_cmdline_invalid, drm_cmdline_invalid_tests, drm_cmdline_invalid_desc);
+struct drm_cmdline_tv_option_test {
+ const char *name;
+ const char *cmdline;
+ struct drm_display_mode *(*mode_fn)(struct drm_device *dev);
+ enum drm_connector_tv_mode tv_mode;
+};
+
+static void drm_test_cmdline_tv_options(struct kunit *test)
+{
+ const struct drm_cmdline_tv_option_test *params = test->param_value;
+ const struct drm_display_mode *expected_mode = params->mode_fn(NULL);
+ struct drm_cmdline_mode mode = { };
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_parse_command_line_for_connector(params->cmdline,
+ &no_connector, &mode));
+ KUNIT_EXPECT_TRUE(test, mode.specified);
+ KUNIT_EXPECT_EQ(test, mode.xres, expected_mode->hdisplay);
+ KUNIT_EXPECT_EQ(test, mode.yres, expected_mode->vdisplay);
+ KUNIT_EXPECT_EQ(test, mode.tv_mode, params->tv_mode);
+
+ KUNIT_EXPECT_FALSE(test, mode.refresh_specified);
+
+ KUNIT_EXPECT_FALSE(test, mode.bpp_specified);
+
+ KUNIT_EXPECT_FALSE(test, mode.rb);
+ KUNIT_EXPECT_FALSE(test, mode.cvt);
+ KUNIT_EXPECT_EQ(test, mode.interlace, !!(expected_mode->flags & DRM_MODE_FLAG_INTERLACE));
+ KUNIT_EXPECT_FALSE(test, mode.margins);
+ KUNIT_EXPECT_EQ(test, mode.force, DRM_FORCE_UNSPECIFIED);
+}
+
+#define TV_OPT_TEST(_opt, _cmdline, _mode_fn) \
+ { \
+ .name = #_opt, \
+ .cmdline = _cmdline, \
+ .mode_fn = _mode_fn, \
+ .tv_mode = DRM_MODE_TV_MODE_ ## _opt, \
+ }
+
+static const struct drm_cmdline_tv_option_test drm_cmdline_tv_option_tests[] = {
+ TV_OPT_TEST(NTSC, "720x480i,tv_mode=NTSC", drm_mode_analog_ntsc_480i),
+ TV_OPT_TEST(NTSC_443, "720x480i,tv_mode=NTSC-443", drm_mode_analog_ntsc_480i),
+ TV_OPT_TEST(NTSC_J, "720x480i,tv_mode=NTSC-J", drm_mode_analog_ntsc_480i),
+ TV_OPT_TEST(PAL, "720x576i,tv_mode=PAL", drm_mode_analog_pal_576i),
+ TV_OPT_TEST(PAL_M, "720x480i,tv_mode=PAL-M", drm_mode_analog_ntsc_480i),
+ TV_OPT_TEST(PAL_N, "720x576i,tv_mode=PAL-N", drm_mode_analog_pal_576i),
+ TV_OPT_TEST(SECAM, "720x576i,tv_mode=SECAM", drm_mode_analog_pal_576i),
+};
+
+static void drm_cmdline_tv_option_desc(const struct drm_cmdline_tv_option_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->name);
+}
+
+KUNIT_ARRAY_PARAM(drm_cmdline_tv_option,
+ drm_cmdline_tv_option_tests,
+ drm_cmdline_tv_option_desc);
+
static struct kunit_case drm_cmdline_parser_tests[] = {
KUNIT_CASE(drm_test_cmdline_force_d_only),
KUNIT_CASE(drm_test_cmdline_force_D_only_dvi),
@@ -977,6 +1044,7 @@ static struct kunit_case drm_cmdline_parser_tests[] = {
KUNIT_CASE(drm_test_cmdline_freestanding_force_e_and_options),
KUNIT_CASE(drm_test_cmdline_panel_orientation),
KUNIT_CASE_PARAM(drm_test_cmdline_invalid, drm_cmdline_invalid_gen_params),
+ KUNIT_CASE_PARAM(drm_test_cmdline_tv_options, drm_cmdline_tv_option_gen_params),
{}
};
diff --git a/drivers/gpu/drm/tests/drm_connector_test.c b/drivers/gpu/drm/tests/drm_connector_test.c
new file mode 100644
index 000000000000..c66aa2dc8d9d
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_connector_test.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Kunit test for drm_modes functions
+ */
+
+#include <drm/drm_connector.h>
+
+#include <kunit/test.h>
+
+struct drm_get_tv_mode_from_name_test {
+ const char *name;
+ enum drm_connector_tv_mode expected_mode;
+};
+
+#define TV_MODE_NAME(_name, _mode) \
+ { \
+ .name = _name, \
+ .expected_mode = _mode, \
+ }
+
+static void drm_test_get_tv_mode_from_name_valid(struct kunit *test)
+{
+ const struct drm_get_tv_mode_from_name_test *params = test->param_value;
+
+ KUNIT_EXPECT_EQ(test,
+ drm_get_tv_mode_from_name(params->name, strlen(params->name)),
+ params->expected_mode);
+}
+
+static const
+struct drm_get_tv_mode_from_name_test drm_get_tv_mode_from_name_valid_tests[] = {
+ TV_MODE_NAME("NTSC", DRM_MODE_TV_MODE_NTSC),
+ TV_MODE_NAME("NTSC-443", DRM_MODE_TV_MODE_NTSC_443),
+ TV_MODE_NAME("NTSC-J", DRM_MODE_TV_MODE_NTSC_J),
+ TV_MODE_NAME("PAL", DRM_MODE_TV_MODE_PAL),
+ TV_MODE_NAME("PAL-M", DRM_MODE_TV_MODE_PAL_M),
+ TV_MODE_NAME("PAL-N", DRM_MODE_TV_MODE_PAL_N),
+ TV_MODE_NAME("SECAM", DRM_MODE_TV_MODE_SECAM),
+};
+
+static void
+drm_get_tv_mode_from_name_valid_desc(const struct drm_get_tv_mode_from_name_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->name);
+}
+
+KUNIT_ARRAY_PARAM(drm_get_tv_mode_from_name_valid,
+ drm_get_tv_mode_from_name_valid_tests,
+ drm_get_tv_mode_from_name_valid_desc);
+
+static void drm_test_get_tv_mode_from_name_truncated(struct kunit *test)
+{
+ const char *name = "NTS";
+ int ret;
+
+ ret = drm_get_tv_mode_from_name(name, strlen(name));
+ KUNIT_EXPECT_LT(test, ret, 0);
+};
+
+static struct kunit_case drm_get_tv_mode_from_name_tests[] = {
+ KUNIT_CASE_PARAM(drm_test_get_tv_mode_from_name_valid,
+ drm_get_tv_mode_from_name_valid_gen_params),
+ KUNIT_CASE(drm_test_get_tv_mode_from_name_truncated),
+ { }
+};
+
+static struct kunit_suite drm_get_tv_mode_from_name_test_suite = {
+ .name = "drm_get_tv_mode_from_name",
+ .test_cases = drm_get_tv_mode_from_name_tests,
+};
+
+kunit_test_suite(drm_get_tv_mode_from_name_test_suite);
+
+MODULE_AUTHOR("Maxime Ripard <[email protected]>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
index 65c9d225b558..545beea33e8c 100644
--- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
@@ -5,44 +5,280 @@
* Copyright (c) 2022 Maíra Canal <[email protected]>
*/
-#define PREFIX_STR "[drm_dp_mst_helper]"
-
#include <kunit/test.h>
-#include <linux/random.h>
-
#include <drm/display/drm_dp_mst_helper.h>
#include <drm/drm_print.h>
#include "../display/drm_dp_mst_topology_internal.h"
+struct drm_dp_mst_calc_pbn_mode_test {
+ const int clock;
+ const int bpp;
+ const bool dsc;
+ const int expected;
+};
+
+static const struct drm_dp_mst_calc_pbn_mode_test drm_dp_mst_calc_pbn_mode_cases[] = {
+ {
+ .clock = 154000,
+ .bpp = 30,
+ .dsc = false,
+ .expected = 689
+ },
+ {
+ .clock = 234000,
+ .bpp = 30,
+ .dsc = false,
+ .expected = 1047
+ },
+ {
+ .clock = 297000,
+ .bpp = 24,
+ .dsc = false,
+ .expected = 1063
+ },
+ {
+ .clock = 332880,
+ .bpp = 24,
+ .dsc = true,
+ .expected = 50
+ },
+ {
+ .clock = 324540,
+ .bpp = 24,
+ .dsc = true,
+ .expected = 49
+ },
+};
+
static void drm_test_dp_mst_calc_pbn_mode(struct kunit *test)
{
- int pbn, i;
- const struct {
- int rate;
- int bpp;
- int expected;
- bool dsc;
- } test_params[] = {
- { 154000, 30, 689, false },
- { 234000, 30, 1047, false },
- { 297000, 24, 1063, false },
- { 332880, 24, 50, true },
- { 324540, 24, 49, true },
- };
+ const struct drm_dp_mst_calc_pbn_mode_test *params = test->param_value;
- for (i = 0; i < ARRAY_SIZE(test_params); i++) {
- pbn = drm_dp_calc_pbn_mode(test_params[i].rate,
- test_params[i].bpp,
- test_params[i].dsc);
- KUNIT_EXPECT_EQ_MSG(test, pbn, test_params[i].expected,
- "Expected PBN %d for clock %d bpp %d, got %d\n",
- test_params[i].expected, test_params[i].rate,
- test_params[i].bpp, pbn);
- }
+ KUNIT_EXPECT_EQ(test, drm_dp_calc_pbn_mode(params->clock, params->bpp, params->dsc),
+ params->expected);
}
+static void dp_mst_calc_pbn_mode_desc(const struct drm_dp_mst_calc_pbn_mode_test *t, char *desc)
+{
+ sprintf(desc, "Clock %d BPP %d DSC %s", t->clock, t->bpp, t->dsc ? "enabled" : "disabled");
+}
+
+KUNIT_ARRAY_PARAM(drm_dp_mst_calc_pbn_mode, drm_dp_mst_calc_pbn_mode_cases,
+ dp_mst_calc_pbn_mode_desc);
+
+static u8 data[] = { 0xff, 0x00, 0xdd };
+
+struct drm_dp_mst_sideband_msg_req_test {
+ const char *desc;
+ const struct drm_dp_sideband_msg_req_body in;
+};
+
+static const struct drm_dp_mst_sideband_msg_req_test drm_dp_mst_sideband_msg_req_cases[] = {
+ {
+ .desc = "DP_ENUM_PATH_RESOURCES with port number",
+ .in = {
+ .req_type = DP_ENUM_PATH_RESOURCES,
+ .u.port_num.port_number = 5,
+ },
+ },
+ {
+ .desc = "DP_POWER_UP_PHY with port number",
+ .in = {
+ .req_type = DP_POWER_UP_PHY,
+ .u.port_num.port_number = 5,
+ },
+ },
+ {
+ .desc = "DP_POWER_DOWN_PHY with port number",
+ .in = {
+ .req_type = DP_POWER_DOWN_PHY,
+ .u.port_num.port_number = 5,
+ },
+ },
+ {
+ .desc = "DP_ALLOCATE_PAYLOAD with SDP stream sinks",
+ .in = {
+ .req_type = DP_ALLOCATE_PAYLOAD,
+ .u.allocate_payload.number_sdp_streams = 3,
+ .u.allocate_payload.sdp_stream_sink = { 1, 2, 3 },
+ },
+ },
+ {
+ .desc = "DP_ALLOCATE_PAYLOAD with port number",
+ .in = {
+ .req_type = DP_ALLOCATE_PAYLOAD,
+ .u.allocate_payload.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_ALLOCATE_PAYLOAD with VCPI",
+ .in = {
+ .req_type = DP_ALLOCATE_PAYLOAD,
+ .u.allocate_payload.vcpi = 0x7f,
+ },
+ },
+ {
+ .desc = "DP_ALLOCATE_PAYLOAD with PBN",
+ .in = {
+ .req_type = DP_ALLOCATE_PAYLOAD,
+ .u.allocate_payload.pbn = U16_MAX,
+ },
+ },
+ {
+ .desc = "DP_QUERY_PAYLOAD with port number",
+ .in = {
+ .req_type = DP_QUERY_PAYLOAD,
+ .u.query_payload.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_QUERY_PAYLOAD with VCPI",
+ .in = {
+ .req_type = DP_QUERY_PAYLOAD,
+ .u.query_payload.vcpi = 0x7f,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_READ with port number",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_READ,
+ .u.dpcd_read.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_READ with DPCD address",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_READ,
+ .u.dpcd_read.dpcd_address = 0xfedcb,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_READ with max number of bytes",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_READ,
+ .u.dpcd_read.num_bytes = U8_MAX,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_WRITE with port number",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_WRITE,
+ .u.dpcd_write.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_WRITE with DPCD address",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_WRITE,
+ .u.dpcd_write.dpcd_address = 0xfedcb,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_DPCD_WRITE with data array",
+ .in = {
+ .req_type = DP_REMOTE_DPCD_WRITE,
+ .u.dpcd_write.num_bytes = ARRAY_SIZE(data),
+ .u.dpcd_write.bytes = data,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_READ with port number",
+ .in = {
+ .req_type = DP_REMOTE_I2C_READ,
+ .u.i2c_read.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_READ with I2C device ID",
+ .in = {
+ .req_type = DP_REMOTE_I2C_READ,
+ .u.i2c_read.read_i2c_device_id = 0x7f,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_READ with transactions array",
+ .in = {
+ .req_type = DP_REMOTE_I2C_READ,
+ .u.i2c_read.num_transactions = 3,
+ .u.i2c_read.num_bytes_read = ARRAY_SIZE(data) * 3,
+ .u.i2c_read.transactions = {
+ { .bytes = data, .num_bytes = ARRAY_SIZE(data), .i2c_dev_id = 0x7f,
+ .i2c_transaction_delay = 0xf, },
+ { .bytes = data, .num_bytes = ARRAY_SIZE(data), .i2c_dev_id = 0x7e,
+ .i2c_transaction_delay = 0xe, },
+ { .bytes = data, .num_bytes = ARRAY_SIZE(data), .i2c_dev_id = 0x7d,
+ .i2c_transaction_delay = 0xd, },
+ },
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_WRITE with port number",
+ .in = {
+ .req_type = DP_REMOTE_I2C_WRITE,
+ .u.i2c_write.port_number = 0xf,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_WRITE with I2C device ID",
+ .in = {
+ .req_type = DP_REMOTE_I2C_WRITE,
+ .u.i2c_write.write_i2c_device_id = 0x7f,
+ },
+ },
+ {
+ .desc = "DP_REMOTE_I2C_WRITE with data array",
+ .in = {
+ .req_type = DP_REMOTE_I2C_WRITE,
+ .u.i2c_write.num_bytes = ARRAY_SIZE(data),
+ .u.i2c_write.bytes = data,
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with stream ID",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.stream_id = 1,
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with client ID",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.client_id = { 0x4f, 0x7f, 0xb4, 0x00, 0x8c, 0x0d, 0x67 },
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with stream event",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.stream_event = 3,
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with valid stream event",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.valid_stream_event = 0,
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with stream behavior",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.stream_behavior = 3,
+ },
+ },
+ {
+ .desc = "DP_QUERY_STREAM_ENC_STATUS with a valid stream behavior",
+ .in = {
+ .req_type = DP_QUERY_STREAM_ENC_STATUS,
+ .u.enc_status.valid_stream_behavior = 1,
+ }
+ },
+};
+
static bool
sideband_msg_req_equal(const struct drm_dp_sideband_msg_req_body *in,
const struct drm_dp_sideband_msg_req_body *out)
@@ -118,41 +354,41 @@ sideband_msg_req_equal(const struct drm_dp_sideband_msg_req_body *in,
return true;
}
-static bool
-sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
+static void drm_test_dp_mst_msg_printf(struct drm_printer *p, struct va_format *vaf)
{
+ struct kunit *test = p->arg;
+
+ kunit_err(test, "%pV", vaf);
+}
+
+static void drm_test_dp_mst_sideband_msg_req_decode(struct kunit *test)
+{
+ const struct drm_dp_mst_sideband_msg_req_test *params = test->param_value;
+ const struct drm_dp_sideband_msg_req_body *in = &params->in;
struct drm_dp_sideband_msg_req_body *out;
- struct drm_printer p = drm_err_printer(PREFIX_STR);
struct drm_dp_sideband_msg_tx *txmsg;
- int i, ret;
- bool result = true;
+ struct drm_printer p = {
+ .printfn = drm_test_dp_mst_msg_printf,
+ .arg = test
+ };
+ int i;
- out = kzalloc(sizeof(*out), GFP_KERNEL);
- if (!out)
- return false;
+ out = kunit_kzalloc(test, sizeof(*out), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, out);
- txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
- if (!txmsg) {
- kfree(out);
- return false;
- }
+ txmsg = kunit_kzalloc(test, sizeof(*txmsg), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, txmsg);
drm_dp_encode_sideband_req(in, txmsg);
- ret = drm_dp_decode_sideband_req(txmsg, out);
- if (ret < 0) {
- drm_printf(&p, "Failed to decode sideband request: %d\n",
- ret);
- result = false;
- goto out;
- }
+ KUNIT_EXPECT_GE_MSG(test, drm_dp_decode_sideband_req(txmsg, out), 0,
+ "Failed to decode sideband request");
if (!sideband_msg_req_equal(in, out)) {
- drm_printf(&p, "Encode/decode failed, expected:\n");
+ KUNIT_FAIL(test, "Encode/decode failed");
+ kunit_err(test, "Expected:");
drm_dp_dump_sideband_msg_req_body(in, 1, &p);
- drm_printf(&p, "Got:\n");
+ kunit_err(test, "Got:");
drm_dp_dump_sideband_msg_req_body(out, 1, &p);
- result = false;
- goto out;
}
switch (in->req_type) {
@@ -167,112 +403,21 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
kfree(out->u.i2c_write.bytes);
break;
}
-
- /* Clear everything but the req_type for the input */
- memset(&in->u, 0, sizeof(in->u));
-
-out:
- kfree(out);
- kfree(txmsg);
- return result;
}
-static void drm_test_dp_mst_sideband_msg_req_decode(struct kunit *test)
+static void
+drm_dp_mst_sideband_msg_req_desc(const struct drm_dp_mst_sideband_msg_req_test *t, char *desc)
{
- struct drm_dp_sideband_msg_req_body in = { 0 };
- u8 data[] = { 0xff, 0x0, 0xdd };
- int i;
-
- in.req_type = DP_ENUM_PATH_RESOURCES;
- in.u.port_num.port_number = 5;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_POWER_UP_PHY;
- in.u.port_num.port_number = 5;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_POWER_DOWN_PHY;
- in.u.port_num.port_number = 5;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_ALLOCATE_PAYLOAD;
- in.u.allocate_payload.number_sdp_streams = 3;
- for (i = 0; i < in.u.allocate_payload.number_sdp_streams; i++)
- in.u.allocate_payload.sdp_stream_sink[i] = i + 1;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.allocate_payload.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.allocate_payload.vcpi = 0x7f;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.allocate_payload.pbn = U16_MAX;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_QUERY_PAYLOAD;
- in.u.query_payload.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.query_payload.vcpi = 0x7f;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_REMOTE_DPCD_READ;
- in.u.dpcd_read.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.dpcd_read.dpcd_address = 0xfedcb;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.dpcd_read.num_bytes = U8_MAX;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_REMOTE_DPCD_WRITE;
- in.u.dpcd_write.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.dpcd_write.dpcd_address = 0xfedcb;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.dpcd_write.num_bytes = ARRAY_SIZE(data);
- in.u.dpcd_write.bytes = data;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_REMOTE_I2C_READ;
- in.u.i2c_read.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.i2c_read.read_i2c_device_id = 0x7f;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.i2c_read.num_transactions = 3;
- in.u.i2c_read.num_bytes_read = ARRAY_SIZE(data) * 3;
- for (i = 0; i < in.u.i2c_read.num_transactions; i++) {
- in.u.i2c_read.transactions[i].bytes = data;
- in.u.i2c_read.transactions[i].num_bytes = ARRAY_SIZE(data);
- in.u.i2c_read.transactions[i].i2c_dev_id = 0x7f & ~i;
- in.u.i2c_read.transactions[i].i2c_transaction_delay = 0xf & ~i;
- }
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_REMOTE_I2C_WRITE;
- in.u.i2c_write.port_number = 0xf;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.i2c_write.write_i2c_device_id = 0x7f;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.i2c_write.num_bytes = ARRAY_SIZE(data);
- in.u.i2c_write.bytes = data;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
-
- in.req_type = DP_QUERY_STREAM_ENC_STATUS;
- in.u.enc_status.stream_id = 1;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- get_random_bytes(in.u.enc_status.client_id,
- sizeof(in.u.enc_status.client_id));
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.enc_status.stream_event = 3;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.enc_status.valid_stream_event = 0;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.enc_status.stream_behavior = 3;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
- in.u.enc_status.valid_stream_behavior = 1;
- KUNIT_EXPECT_TRUE(test, sideband_msg_req_encode_decode(&in));
+ strcpy(desc, t->desc);
}
+KUNIT_ARRAY_PARAM(drm_dp_mst_sideband_msg_req, drm_dp_mst_sideband_msg_req_cases,
+ drm_dp_mst_sideband_msg_req_desc);
+
static struct kunit_case drm_dp_mst_helper_tests[] = {
- KUNIT_CASE(drm_test_dp_mst_calc_pbn_mode),
- KUNIT_CASE(drm_test_dp_mst_sideband_msg_req_decode),
+ KUNIT_CASE_PARAM(drm_test_dp_mst_calc_pbn_mode, drm_dp_mst_calc_pbn_mode_gen_params),
+ KUNIT_CASE_PARAM(drm_test_dp_mst_sideband_msg_req_decode,
+ drm_dp_mst_sideband_msg_req_gen_params),
{ }
};
diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
index 2191e57f2297..34e80eb6d96e 100644
--- a/drivers/gpu/drm/tests/drm_format_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
@@ -32,16 +32,41 @@ struct convert_to_rgb565_result {
const u16 expected_swab[TEST_BUF_SIZE];
};
+struct convert_to_xrgb1555_result {
+ unsigned int dst_pitch;
+ const u16 expected[TEST_BUF_SIZE];
+};
+
+struct convert_to_argb1555_result {
+ unsigned int dst_pitch;
+ const u16 expected[TEST_BUF_SIZE];
+};
+
+struct convert_to_rgba5551_result {
+ unsigned int dst_pitch;
+ const u16 expected[TEST_BUF_SIZE];
+};
+
struct convert_to_rgb888_result {
unsigned int dst_pitch;
const u8 expected[TEST_BUF_SIZE];
};
+struct convert_to_argb8888_result {
+ unsigned int dst_pitch;
+ const u32 expected[TEST_BUF_SIZE];
+};
+
struct convert_to_xrgb2101010_result {
unsigned int dst_pitch;
const u32 expected[TEST_BUF_SIZE];
};
+struct convert_to_argb2101010_result {
+ unsigned int dst_pitch;
+ const u32 expected[TEST_BUF_SIZE];
+};
+
struct convert_xrgb8888_case {
const char *name;
unsigned int pitch;
@@ -50,8 +75,13 @@ struct convert_xrgb8888_case {
struct convert_to_gray8_result gray8_result;
struct convert_to_rgb332_result rgb332_result;
struct convert_to_rgb565_result rgb565_result;
+ struct convert_to_xrgb1555_result xrgb1555_result;
+ struct convert_to_argb1555_result argb1555_result;
+ struct convert_to_rgba5551_result rgba5551_result;
struct convert_to_rgb888_result rgb888_result;
+ struct convert_to_argb8888_result argb8888_result;
struct convert_to_xrgb2101010_result xrgb2101010_result;
+ struct convert_to_argb2101010_result argb2101010_result;
};
static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
@@ -73,14 +103,34 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.expected = { 0xF800 },
.expected_swab = { 0x00F8 },
},
+ .xrgb1555_result = {
+ .dst_pitch = 0,
+ .expected = { 0x7C00 },
+ },
+ .argb1555_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFC00 },
+ },
+ .rgba5551_result = {
+ .dst_pitch = 0,
+ .expected = { 0xF801 },
+ },
.rgb888_result = {
.dst_pitch = 0,
.expected = { 0x00, 0x00, 0xFF },
},
+ .argb8888_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFFFF0000 },
+ },
.xrgb2101010_result = {
.dst_pitch = 0,
.expected = { 0x3FF00000 },
},
+ .argb2101010_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFFF00000 },
+ },
},
{
.name = "single_pixel_clip_rectangle",
@@ -103,14 +153,34 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.expected = { 0xF800 },
.expected_swab = { 0x00F8 },
},
+ .xrgb1555_result = {
+ .dst_pitch = 0,
+ .expected = { 0x7C00 },
+ },
+ .argb1555_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFC00 },
+ },
+ .rgba5551_result = {
+ .dst_pitch = 0,
+ .expected = { 0xF801 },
+ },
.rgb888_result = {
.dst_pitch = 0,
.expected = { 0x00, 0x00, 0xFF },
},
+ .argb8888_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFFFF0000 },
+ },
.xrgb2101010_result = {
.dst_pitch = 0,
.expected = { 0x3FF00000 },
},
+ .argb2101010_result = {
+ .dst_pitch = 0,
+ .expected = { 0xFFF00000 },
+ },
},
{
/* Well known colors: White, black, red, green, blue, magenta,
@@ -160,6 +230,33 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0xE0FF, 0xFF07,
},
},
+ .xrgb1555_result = {
+ .dst_pitch = 0,
+ .expected = {
+ 0x7FFF, 0x0000,
+ 0x7C00, 0x03E0,
+ 0x001F, 0x7C1F,
+ 0x7FE0, 0x03FF,
+ },
+ },
+ .argb1555_result = {
+ .dst_pitch = 0,
+ .expected = {
+ 0xFFFF, 0x8000,
+ 0xFC00, 0x83E0,
+ 0x801F, 0xFC1F,
+ 0xFFE0, 0x83FF,
+ },
+ },
+ .rgba5551_result = {
+ .dst_pitch = 0,
+ .expected = {
+ 0xFFFF, 0x0001,
+ 0xF801, 0x07C1,
+ 0x003F, 0xF83F,
+ 0xFFC1, 0x07FF,
+ },
+ },
.rgb888_result = {
.dst_pitch = 0,
.expected = {
@@ -169,6 +266,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
},
},
+ .argb8888_result = {
+ .dst_pitch = 0,
+ .expected = {
+ 0xFFFFFFFF, 0xFF000000,
+ 0xFFFF0000, 0xFF00FF00,
+ 0xFF0000FF, 0xFFFF00FF,
+ 0xFFFFFF00, 0xFF00FFFF,
+ },
+ },
.xrgb2101010_result = {
.dst_pitch = 0,
.expected = {
@@ -178,6 +284,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0x3FFFFC00, 0x000FFFFF,
},
},
+ .argb2101010_result = {
+ .dst_pitch = 0,
+ .expected = {
+ 0xFFFFFFFF, 0xC0000000,
+ 0xFFF00000, 0xC00FFC00,
+ 0xC00003FF, 0xFFF003FF,
+ 0xFFFFFC00, 0xC00FFFFF,
+ },
+ },
},
{
/* Randomly picked colors. Full buffer within the clip area. */
@@ -218,6 +333,30 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0x00A8, 0x8E6B, 0x330A, 0x0000, 0x0000,
},
},
+ .xrgb1555_result = {
+ .dst_pitch = 10,
+ .expected = {
+ 0x0513, 0x0920, 0x5400, 0x0000, 0x0000,
+ 0x35CE, 0x0513, 0x0920, 0x0000, 0x0000,
+ 0x5400, 0x35CE, 0x0513, 0x0000, 0x0000,
+ },
+ },
+ .argb1555_result = {
+ .dst_pitch = 10,
+ .expected = {
+ 0x8513, 0x8920, 0xD400, 0x0000, 0x0000,
+ 0xB5CE, 0x8513, 0x8920, 0x0000, 0x0000,
+ 0xD400, 0xB5CE, 0x8513, 0x0000, 0x0000,
+ },
+ },
+ .rgba5551_result = {
+ .dst_pitch = 10,
+ .expected = {
+ 0x0A27, 0x1241, 0xA801, 0x0000, 0x0000,
+ 0x6B9D, 0x0A27, 0x1241, 0x0000, 0x0000,
+ 0xA801, 0x6B9D, 0x0A27, 0x0000, 0x0000,
+ },
+ },
.rgb888_result = {
.dst_pitch = 15,
.expected = {
@@ -229,6 +368,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
},
+ .argb8888_result = {
+ .dst_pitch = 20,
+ .expected = {
+ 0xFF0E449C, 0xFF114D05, 0xFFA80303, 0x00000000, 0x00000000,
+ 0xFF6C7073, 0xFF0E449C, 0xFF114D05, 0x00000000, 0x00000000,
+ 0xFFA80303, 0xFF6C7073, 0xFF0E449C, 0x00000000, 0x00000000,
+ },
+ },
.xrgb2101010_result = {
.dst_pitch = 20,
.expected = {
@@ -237,6 +384,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0x2A20300C, 0x1B1705CD, 0x03844672, 0x00000000, 0x00000000,
},
},
+ .argb2101010_result = {
+ .dst_pitch = 20,
+ .expected = {
+ 0xC3844672, 0xC444D414, 0xEA20300C, 0x00000000, 0x00000000,
+ 0xDB1705CD, 0xC3844672, 0xC444D414, 0x00000000, 0x00000000,
+ 0xEA20300C, 0xDB1705CD, 0xC3844672, 0x00000000, 0x00000000,
+ },
+ },
},
};
@@ -264,7 +419,22 @@ static size_t conversion_buf_size(u32 dst_format, unsigned int dst_pitch,
return dst_pitch * drm_rect_height(clip);
}
-static u32 *le32buf_to_cpu(struct kunit *test, const u32 *buf, size_t buf_size)
+static u16 *le16buf_to_cpu(struct kunit *test, const __le16 *buf, size_t buf_size)
+{
+ u16 *dst = NULL;
+ int n;
+
+ dst = kunit_kzalloc(test, sizeof(*dst) * buf_size, GFP_KERNEL);
+ if (!dst)
+ return NULL;
+
+ for (n = 0; n < buf_size; n++)
+ dst[n] = le16_to_cpu(buf[n]);
+
+ return dst;
+}
+
+static u32 *le32buf_to_cpu(struct kunit *test, const __le32 *buf, size_t buf_size)
{
u32 *dst = NULL;
int n;
@@ -279,6 +449,21 @@ static u32 *le32buf_to_cpu(struct kunit *test, const u32 *buf, size_t buf_size)
return dst;
}
+static __le32 *cpubuf_to_le32(struct kunit *test, const u32 *buf, size_t buf_size)
+{
+ __le32 *dst = NULL;
+ int n;
+
+ dst = kunit_kzalloc(test, sizeof(*dst) * buf_size, GFP_KERNEL);
+ if (!dst)
+ return NULL;
+
+ for (n = 0; n < buf_size; n++)
+ dst[n] = cpu_to_le32(buf[n]);
+
+ return dst;
+}
+
static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
char *desc)
{
@@ -293,8 +478,8 @@ static void drm_test_fb_xrgb8888_to_gray8(struct kunit *test)
const struct convert_xrgb8888_case *params = test->param_value;
const struct convert_to_gray8_result *result = &params->gray8_result;
size_t dst_size;
- __u8 *buf = NULL;
- __u32 *xrgb8888 = NULL;
+ u8 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
struct iosys_map dst, src;
struct drm_framebuffer fb = {
@@ -310,12 +495,12 @@ static void drm_test_fb_xrgb8888_to_gray8(struct kunit *test)
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
iosys_map_set_vaddr(&dst, buf);
- xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
iosys_map_set_vaddr(&src, xrgb8888);
drm_fb_xrgb8888_to_gray8(&dst, &result->dst_pitch, &src, &fb, &params->clip);
- KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
}
static void drm_test_fb_xrgb8888_to_rgb332(struct kunit *test)
@@ -323,8 +508,8 @@ static void drm_test_fb_xrgb8888_to_rgb332(struct kunit *test)
const struct convert_xrgb8888_case *params = test->param_value;
const struct convert_to_rgb332_result *result = &params->rgb332_result;
size_t dst_size;
- __u8 *buf = NULL;
- __u32 *xrgb8888 = NULL;
+ u8 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
struct iosys_map dst, src;
struct drm_framebuffer fb = {
@@ -340,12 +525,12 @@ static void drm_test_fb_xrgb8888_to_rgb332(struct kunit *test)
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
iosys_map_set_vaddr(&dst, buf);
- xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
iosys_map_set_vaddr(&src, xrgb8888);
drm_fb_xrgb8888_to_rgb332(&dst, &result->dst_pitch, &src, &fb, &params->clip);
- KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
}
static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test)
@@ -353,8 +538,8 @@ static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test)
const struct convert_xrgb8888_case *params = test->param_value;
const struct convert_to_rgb565_result *result = &params->rgb565_result;
size_t dst_size;
- __u16 *buf = NULL;
- __u32 *xrgb8888 = NULL;
+ u16 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
struct iosys_map dst, src;
struct drm_framebuffer fb = {
@@ -370,15 +555,111 @@ static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test)
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
iosys_map_set_vaddr(&dst, buf);
- xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
iosys_map_set_vaddr(&src, xrgb8888);
drm_fb_xrgb8888_to_rgb565(&dst, &result->dst_pitch, &src, &fb, &params->clip, false);
- KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
+ buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
+ buf = dst.vaddr; /* restore original value of buf */
drm_fb_xrgb8888_to_rgb565(&dst, &result->dst_pitch, &src, &fb, &params->clip, true);
- KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected_swab, dst_size), 0);
+ buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected_swab, dst_size);
+}
+
+static void drm_test_fb_xrgb8888_to_xrgb1555(struct kunit *test)
+{
+ const struct convert_xrgb8888_case *params = test->param_value;
+ const struct convert_to_xrgb1555_result *result = &params->xrgb1555_result;
+ size_t dst_size;
+ u16 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
+ struct iosys_map dst, src;
+
+ struct drm_framebuffer fb = {
+ .format = drm_format_info(DRM_FORMAT_XRGB8888),
+ .pitches = { params->pitch, 0, 0 },
+ };
+
+ dst_size = conversion_buf_size(DRM_FORMAT_XRGB1555, result->dst_pitch,
+ &params->clip);
+ KUNIT_ASSERT_GT(test, dst_size, 0);
+
+ buf = kunit_kzalloc(test, dst_size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
+ iosys_map_set_vaddr(&dst, buf);
+
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
+ iosys_map_set_vaddr(&src, xrgb8888);
+
+ drm_fb_xrgb8888_to_xrgb1555(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
+ KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
+}
+
+static void drm_test_fb_xrgb8888_to_argb1555(struct kunit *test)
+{
+ const struct convert_xrgb8888_case *params = test->param_value;
+ const struct convert_to_argb1555_result *result = &params->argb1555_result;
+ size_t dst_size;
+ u16 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
+ struct iosys_map dst, src;
+
+ struct drm_framebuffer fb = {
+ .format = drm_format_info(DRM_FORMAT_XRGB8888),
+ .pitches = { params->pitch, 0, 0 },
+ };
+
+ dst_size = conversion_buf_size(DRM_FORMAT_ARGB1555, result->dst_pitch,
+ &params->clip);
+ KUNIT_ASSERT_GT(test, dst_size, 0);
+
+ buf = kunit_kzalloc(test, dst_size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
+ iosys_map_set_vaddr(&dst, buf);
+
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
+ iosys_map_set_vaddr(&src, xrgb8888);
+
+ drm_fb_xrgb8888_to_argb1555(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
+ KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
+}
+
+static void drm_test_fb_xrgb8888_to_rgba5551(struct kunit *test)
+{
+ const struct convert_xrgb8888_case *params = test->param_value;
+ const struct convert_to_rgba5551_result *result = &params->rgba5551_result;
+ size_t dst_size;
+ u16 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
+ struct iosys_map dst, src;
+
+ struct drm_framebuffer fb = {
+ .format = drm_format_info(DRM_FORMAT_XRGB8888),
+ .pitches = { params->pitch, 0, 0 },
+ };
+
+ dst_size = conversion_buf_size(DRM_FORMAT_RGBA5551, result->dst_pitch,
+ &params->clip);
+ KUNIT_ASSERT_GT(test, dst_size, 0);
+
+ buf = kunit_kzalloc(test, dst_size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
+ iosys_map_set_vaddr(&dst, buf);
+
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
+ iosys_map_set_vaddr(&src, xrgb8888);
+
+ drm_fb_xrgb8888_to_rgba5551(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
+ KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
}
static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)
@@ -386,8 +667,8 @@ static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)
const struct convert_xrgb8888_case *params = test->param_value;
const struct convert_to_rgb888_result *result = &params->rgb888_result;
size_t dst_size;
- __u8 *buf = NULL;
- __u32 *xrgb8888 = NULL;
+ u8 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
struct iosys_map dst, src;
struct drm_framebuffer fb = {
@@ -403,11 +684,46 @@ static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
iosys_map_set_vaddr(&dst, buf);
- xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
iosys_map_set_vaddr(&src, xrgb8888);
+ /*
+ * RGB888 expected results are already in little-endian
+ * order, so there's no need to convert the test output.
+ */
drm_fb_xrgb8888_to_rgb888(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
+}
+
+static void drm_test_fb_xrgb8888_to_argb8888(struct kunit *test)
+{
+ const struct convert_xrgb8888_case *params = test->param_value;
+ const struct convert_to_argb8888_result *result = &params->argb8888_result;
+ size_t dst_size;
+ u32 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
+ struct iosys_map dst, src;
+
+ struct drm_framebuffer fb = {
+ .format = drm_format_info(DRM_FORMAT_XRGB8888),
+ .pitches = { params->pitch, 0, 0 },
+ };
+
+ dst_size = conversion_buf_size(DRM_FORMAT_ARGB8888,
+ result->dst_pitch, &params->clip);
+ KUNIT_ASSERT_GT(test, dst_size, 0);
+
+ buf = kunit_kzalloc(test, dst_size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
+ iosys_map_set_vaddr(&dst, buf);
+
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
+ iosys_map_set_vaddr(&src, xrgb8888);
+
+ drm_fb_xrgb8888_to_argb8888(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
}
@@ -416,8 +732,8 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
const struct convert_xrgb8888_case *params = test->param_value;
const struct convert_to_xrgb2101010_result *result = &params->xrgb2101010_result;
size_t dst_size;
- __u32 *buf = NULL;
- __u32 *xrgb8888 = NULL;
+ u32 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
struct iosys_map dst, src;
struct drm_framebuffer fb = {
@@ -433,12 +749,43 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
iosys_map_set_vaddr(&dst, buf);
- xrgb8888 = le32buf_to_cpu(test, params->xrgb8888, TEST_BUF_SIZE);
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
iosys_map_set_vaddr(&src, xrgb8888);
drm_fb_xrgb8888_to_xrgb2101010(&dst, &result->dst_pitch, &src, &fb, &params->clip);
buf = le32buf_to_cpu(test, buf, dst_size / sizeof(u32));
+ KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
+}
+
+static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test)
+{
+ const struct convert_xrgb8888_case *params = test->param_value;
+ const struct convert_to_argb2101010_result *result = &params->argb2101010_result;
+ size_t dst_size;
+ u32 *buf = NULL;
+ __le32 *xrgb8888 = NULL;
+ struct iosys_map dst, src;
+
+ struct drm_framebuffer fb = {
+ .format = drm_format_info(DRM_FORMAT_XRGB8888),
+ .pitches = { params->pitch, 0, 0 },
+ };
+
+ dst_size = conversion_buf_size(DRM_FORMAT_ARGB2101010,
+ result->dst_pitch, &params->clip);
+ KUNIT_ASSERT_GT(test, dst_size, 0);
+
+ buf = kunit_kzalloc(test, dst_size, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);
+ iosys_map_set_vaddr(&dst, buf);
+
+ xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888);
+ iosys_map_set_vaddr(&src, xrgb8888);
+
+ drm_fb_xrgb8888_to_argb2101010(&dst, &result->dst_pitch, &src, &fb, &params->clip);
+ buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
}
@@ -446,8 +793,13 @@ static struct kunit_case drm_format_helper_test_cases[] = {
KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8, convert_xrgb8888_gen_params),
KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_params),
KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb565, convert_xrgb8888_gen_params),
+ KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb1555, convert_xrgb8888_gen_params),
+ KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb1555, convert_xrgb8888_gen_params),
+ KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgba5551, convert_xrgb8888_gen_params),
KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb888, convert_xrgb8888_gen_params),
+ KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb8888, convert_xrgb8888_gen_params),
KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params),
+ KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb2101010, convert_xrgb8888_gen_params),
{}
};
diff --git a/drivers/gpu/drm/tests/drm_kunit_helpers.c b/drivers/gpu/drm/tests/drm_kunit_helpers.c
new file mode 100644
index 000000000000..e98b4150f556
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_kunit_helpers.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_managed.h>
+
+#include <kunit/resource.h>
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
+#define KUNIT_DEVICE_NAME "drm-kunit-mock-device"
+
+static const struct drm_mode_config_funcs drm_mode_config_funcs = {
+};
+
+static int fake_probe(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static int fake_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static struct platform_driver fake_platform_driver = {
+ .probe = fake_probe,
+ .remove = fake_remove,
+ .driver = {
+ .name = KUNIT_DEVICE_NAME,
+ },
+};
+
+/**
+ * drm_kunit_helper_alloc_device - Allocate a mock device for a KUnit test
+ * @test: The test context object
+ *
+ * This allocates a fake struct &device to create a mock for a KUnit
+ * test. The device will also be bound to a fake driver. It will thus be
+ * able to leverage the usual infrastructure and most notably the
+ * device-managed resources just like a "real" device.
+ *
+ * Callers need to make sure drm_kunit_helper_free_device() on the
+ * device when done.
+ *
+ * Returns:
+ * A pointer to the new device, or an ERR_PTR() otherwise.
+ */
+struct device *drm_kunit_helper_alloc_device(struct kunit *test)
+{
+ struct platform_device *pdev;
+ int ret;
+
+ ret = platform_driver_register(&fake_platform_driver);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ pdev = platform_device_alloc(KUNIT_DEVICE_NAME, PLATFORM_DEVID_NONE);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev);
+
+ ret = platform_device_add(pdev);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ return &pdev->dev;
+}
+EXPORT_SYMBOL_GPL(drm_kunit_helper_alloc_device);
+
+/**
+ * drm_kunit_helper_free_device - Frees a mock device
+ * @test: The test context object
+ * @dev: The device to free
+ *
+ * Frees a device allocated with drm_kunit_helper_alloc_device().
+ */
+void drm_kunit_helper_free_device(struct kunit *test, struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+
+ platform_device_unregister(pdev);
+ platform_driver_unregister(&fake_platform_driver);
+}
+EXPORT_SYMBOL_GPL(drm_kunit_helper_free_device);
+
+struct drm_device *
+__drm_kunit_helper_alloc_drm_device_with_driver(struct kunit *test,
+ struct device *dev,
+ size_t size, size_t offset,
+ const struct drm_driver *driver)
+{
+ struct drm_device *drm;
+ void *container;
+ int ret;
+
+ container = __devm_drm_dev_alloc(dev, driver, size, offset);
+ if (IS_ERR(container))
+ return ERR_CAST(container);
+
+ drm = container + offset;
+ drm->mode_config.funcs = &drm_mode_config_funcs;
+
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ERR_PTR(ret);
+
+ return drm;
+}
+EXPORT_SYMBOL_GPL(__drm_kunit_helper_alloc_drm_device_with_driver);
+
+MODULE_AUTHOR("Maxime Ripard <[email protected]>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/tests/drm_managed_test.c b/drivers/gpu/drm/tests/drm_managed_test.c
new file mode 100644
index 000000000000..1652dca11d30
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_managed_test.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_managed.h>
+
+#include <kunit/resource.h>
+
+#include <linux/device.h>
+
+/* Ought to be enough for anybody */
+#define TEST_TIMEOUT_MS 100
+
+struct managed_test_priv {
+ bool action_done;
+ wait_queue_head_t action_wq;
+};
+
+static void drm_action(struct drm_device *drm, void *ptr)
+{
+ struct managed_test_priv *priv = ptr;
+
+ priv->action_done = true;
+ wake_up_interruptible(&priv->action_wq);
+}
+
+static void drm_test_managed_run_action(struct kunit *test)
+{
+ struct managed_test_priv *priv;
+ struct drm_device *drm;
+ struct device *dev;
+ int ret;
+
+ priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv);
+ init_waitqueue_head(&priv->action_wq);
+
+ dev = drm_kunit_helper_alloc_device(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dev);
+
+ drm = __drm_kunit_helper_alloc_drm_device(test, dev, sizeof(*drm), 0, DRIVER_MODESET);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, drm);
+
+ ret = drmm_add_action_or_reset(drm, drm_action, priv);
+ KUNIT_EXPECT_EQ(test, ret, 0);
+
+ ret = drm_dev_register(drm, 0);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_dev_unregister(drm);
+ drm_kunit_helper_free_device(test, dev);
+
+ ret = wait_event_interruptible_timeout(priv->action_wq, priv->action_done,
+ msecs_to_jiffies(TEST_TIMEOUT_MS));
+ KUNIT_EXPECT_GT(test, ret, 0);
+}
+
+static struct kunit_case drm_managed_tests[] = {
+ KUNIT_CASE(drm_test_managed_run_action),
+ {}
+};
+
+static struct kunit_suite drm_managed_test_suite = {
+ .name = "drm-test-managed",
+ .test_cases = drm_managed_tests
+};
+
+kunit_test_suite(drm_managed_test_suite);
+
+MODULE_AUTHOR("Maxime Ripard <[email protected]>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
index c4b66eeae203..186b28dc7038 100644
--- a/drivers/gpu/drm/tests/drm_mm_test.c
+++ b/drivers/gpu/drm/tests/drm_mm_test.c
@@ -298,9 +298,9 @@ static bool expect_reserve_fail(struct kunit *test, struct drm_mm *mm, struct dr
return false;
}
-static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
- unsigned int count,
- u64 size)
+static bool noinline_for_stack check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
+ unsigned int count,
+ u64 size)
{
const struct boundary {
u64 start, size;
@@ -2209,11 +2209,15 @@ err_nodes:
vfree(nodes);
}
-static int drm_mm_init_test(struct kunit *test)
+static int drm_mm_suite_init(struct kunit_suite *suite)
{
while (!random_seed)
random_seed = get_random_u32();
+ kunit_info(suite,
+ "Testing DRM range manager, with random_seed=0x%x max_iterations=%u max_prime=%u\n",
+ random_seed, max_iterations, max_prime);
+
return 0;
}
@@ -2246,7 +2250,7 @@ static struct kunit_case drm_mm_tests[] = {
static struct kunit_suite drm_mm_test_suite = {
.name = "drm_mm",
- .init = drm_mm_init_test,
+ .suite_init = drm_mm_suite_init,
.test_cases = drm_mm_tests,
};
diff --git a/drivers/gpu/drm/tests/drm_modes_test.c b/drivers/gpu/drm/tests/drm_modes_test.c
new file mode 100644
index 000000000000..bc4aa2ce78be
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_modes_test.c
@@ -0,0 +1,158 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Kunit test for drm_modes functions
+ */
+
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_modes.h>
+
+#include <kunit/test.h>
+
+#include <linux/units.h>
+
+struct drm_test_modes_priv {
+ struct drm_device *drm;
+ struct device *dev;
+};
+
+static int drm_test_modes_init(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv;
+
+ priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+
+ priv->dev = drm_kunit_helper_alloc_device(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->dev);
+
+ priv->drm = __drm_kunit_helper_alloc_drm_device(test, priv->dev,
+ sizeof(*priv->drm), 0,
+ DRIVER_MODESET);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm);
+
+ test->priv = priv;
+
+ return 0;
+}
+
+static void drm_test_modes_exit(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv = test->priv;
+
+ drm_kunit_helper_free_device(test, priv->dev);
+}
+
+static void drm_test_modes_analog_tv_ntsc_480i(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv = test->priv;
+ struct drm_display_mode *mode;
+
+ mode = drm_analog_tv_mode(priv->drm,
+ DRM_MODE_TV_MODE_NTSC,
+ 13500 * HZ_PER_KHZ, 720, 480,
+ true);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ KUNIT_EXPECT_EQ(test, drm_mode_vrefresh(mode), 60);
+ KUNIT_EXPECT_EQ(test, mode->hdisplay, 720);
+
+ /* BT.601 defines hsync_start at 736 for 480i */
+ KUNIT_EXPECT_EQ(test, mode->hsync_start, 736);
+
+ /*
+ * The NTSC standard expects a line to take 63.556us. With a
+ * pixel clock of 13.5 MHz, a pixel takes around 74ns, so we
+ * need to have 63556ns / 74ns = 858.
+ *
+ * This is also mandated by BT.601.
+ */
+ KUNIT_EXPECT_EQ(test, mode->htotal, 858);
+
+ KUNIT_EXPECT_EQ(test, mode->vdisplay, 480);
+ KUNIT_EXPECT_EQ(test, mode->vtotal, 525);
+}
+
+static void drm_test_modes_analog_tv_ntsc_480i_inlined(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv = test->priv;
+ struct drm_display_mode *expected, *mode;
+
+ expected = drm_analog_tv_mode(priv->drm,
+ DRM_MODE_TV_MODE_NTSC,
+ 13500 * HZ_PER_KHZ, 720, 480,
+ true);
+ KUNIT_ASSERT_NOT_NULL(test, expected);
+
+ mode = drm_mode_analog_ntsc_480i(priv->drm);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected, mode));
+}
+
+static void drm_test_modes_analog_tv_pal_576i(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv = test->priv;
+ struct drm_display_mode *mode;
+
+ mode = drm_analog_tv_mode(priv->drm,
+ DRM_MODE_TV_MODE_PAL,
+ 13500 * HZ_PER_KHZ, 720, 576,
+ true);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ KUNIT_EXPECT_EQ(test, drm_mode_vrefresh(mode), 50);
+ KUNIT_EXPECT_EQ(test, mode->hdisplay, 720);
+
+ /* BT.601 defines hsync_start at 732 for 576i */
+ KUNIT_EXPECT_EQ(test, mode->hsync_start, 732);
+
+ /*
+ * The PAL standard expects a line to take 64us. With a pixel
+ * clock of 13.5 MHz, a pixel takes around 74ns, so we need to
+ * have 64000ns / 74ns = 864.
+ *
+ * This is also mandated by BT.601.
+ */
+ KUNIT_EXPECT_EQ(test, mode->htotal, 864);
+
+ KUNIT_EXPECT_EQ(test, mode->vdisplay, 576);
+ KUNIT_EXPECT_EQ(test, mode->vtotal, 625);
+}
+
+static void drm_test_modes_analog_tv_pal_576i_inlined(struct kunit *test)
+{
+ struct drm_test_modes_priv *priv = test->priv;
+ struct drm_display_mode *expected, *mode;
+
+ expected = drm_analog_tv_mode(priv->drm,
+ DRM_MODE_TV_MODE_PAL,
+ 13500 * HZ_PER_KHZ, 720, 576,
+ true);
+ KUNIT_ASSERT_NOT_NULL(test, expected);
+
+ mode = drm_mode_analog_pal_576i(priv->drm);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(expected, mode));
+}
+
+static struct kunit_case drm_modes_analog_tv_tests[] = {
+ KUNIT_CASE(drm_test_modes_analog_tv_ntsc_480i),
+ KUNIT_CASE(drm_test_modes_analog_tv_ntsc_480i_inlined),
+ KUNIT_CASE(drm_test_modes_analog_tv_pal_576i),
+ KUNIT_CASE(drm_test_modes_analog_tv_pal_576i_inlined),
+ { }
+};
+
+static struct kunit_suite drm_modes_analog_tv_test_suite = {
+ .name = "drm_modes_analog_tv",
+ .init = drm_test_modes_init,
+ .exit = drm_test_modes_exit,
+ .test_cases = drm_modes_analog_tv_tests,
+};
+
+kunit_test_suite(drm_modes_analog_tv_test_suite);
+
+MODULE_AUTHOR("Maxime Ripard <[email protected]>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
index ec71af791f1f..0f392146b233 100644
--- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
@@ -10,225 +10,306 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_framebuffer.h>
#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 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)
{
- if (plane_state->src.x1 < 0) {
- pr_err("src x coordinate %x should never be below 0.\n", plane_state->src.x1);
- drm_rect_debug_print("src: ", &plane_state->src, true);
- return false;
- }
- if (plane_state->src.y1 < 0) {
- pr_err("src y coordinate %x should never be below 0.\n", plane_state->src.y1);
- drm_rect_debug_print("src: ", &plane_state->src, true);
- return false;
- }
-
- if (plane_state->src.x1 != src_x ||
- plane_state->src.y1 != src_y ||
- drm_rect_width(&plane_state->src) != src_w ||
- drm_rect_height(&plane_state->src) != src_h) {
- drm_rect_debug_print("src: ", &plane_state->src, true);
- return false;
- }
-
- return true;
-}
+ struct drm_rect expected = DRM_RECT_INIT(src_x, src_y, src_w, src_h);
-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.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));
+
+ 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 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)
{
- if (plane_state->dst.x1 != crtc_x ||
- plane_state->dst.y1 != crtc_y ||
- drm_rect_width(&plane_state->dst) != crtc_w ||
- drm_rect_height(&plane_state->dst) != crtc_h) {
- drm_rect_debug_print("dst: ", &plane_state->dst, false);
-
- return false;
- }
+ struct drm_rect expected = DRM_RECT_INIT(crtc_x, crtc_y, crtc_w, crtc_h);
- return true;
+ 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)
{
- 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(&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;
- 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(&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. */
- 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(&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);
- 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(&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_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(&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);
- 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(&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);
- 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(&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);
- 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(&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);
- 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(&plane_state, 0x3fffe, 0x3fffe,
- 1024 << 16, 768 << 16));
- KUNIT_EXPECT_TRUE(test, check_crtc_eq(&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_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);
+}
+
+static void drm_check_plane_state_desc(const struct drm_check_plane_state_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->name);
+}
+
+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)
+{
+ 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,
};
diff --git a/drivers/gpu/drm/tests/drm_probe_helper_test.c b/drivers/gpu/drm/tests/drm_probe_helper_test.c
new file mode 100644
index 000000000000..0ee65828623e
--- /dev/null
+++ b/drivers/gpu/drm/tests/drm_probe_helper_test.c
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Kunit test for drm_probe_helper functions
+ */
+
+#include <drm/drm_atomic_state_helper.h>
+#include <drm/drm_connector.h>
+#include <drm/drm_device.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_kunit_helpers.h>
+#include <drm/drm_mode.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_modeset_helper_vtables.h>
+#include <drm/drm_probe_helper.h>
+
+#include <kunit/test.h>
+
+struct drm_probe_helper_test_priv {
+ struct drm_device *drm;
+ struct device *dev;
+ struct drm_connector connector;
+};
+
+static const struct drm_connector_helper_funcs drm_probe_helper_connector_helper_funcs = {
+};
+
+static const struct drm_connector_funcs drm_probe_helper_connector_funcs = {
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .reset = drm_atomic_helper_connector_reset,
+};
+
+static int drm_probe_helper_test_init(struct kunit *test)
+{
+ struct drm_probe_helper_test_priv *priv;
+ struct drm_connector *connector;
+ int ret;
+
+ priv = kunit_kzalloc(test, sizeof(*priv), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, priv);
+ test->priv = priv;
+
+ priv->dev = drm_kunit_helper_alloc_device(test);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->dev);
+
+ priv->drm = __drm_kunit_helper_alloc_drm_device(test, priv->dev,
+ sizeof(*priv->drm), 0,
+ DRIVER_MODESET | DRIVER_ATOMIC);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, priv->drm);
+
+ connector = &priv->connector;
+ ret = drmm_connector_init(priv->drm, connector,
+ &drm_probe_helper_connector_funcs,
+ DRM_MODE_CONNECTOR_Unknown,
+ NULL);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_connector_helper_add(connector, &drm_probe_helper_connector_helper_funcs);
+
+ return 0;
+}
+
+static void drm_probe_helper_test_exit(struct kunit *test)
+{
+ struct drm_probe_helper_test_priv *priv = test->priv;
+
+ drm_kunit_helper_free_device(test, priv->dev);
+}
+
+typedef struct drm_display_mode *(*expected_mode_func_t)(struct drm_device *);
+
+struct drm_connector_helper_tv_get_modes_test {
+ const char *name;
+ unsigned int supported_tv_modes;
+ enum drm_connector_tv_mode default_mode;
+ bool cmdline;
+ enum drm_connector_tv_mode cmdline_mode;
+ expected_mode_func_t *expected_modes;
+ unsigned int num_expected_modes;
+};
+
+#define _TV_MODE_TEST(_name, _supported, _default, _cmdline, _cmdline_mode, ...) \
+ { \
+ .name = _name, \
+ .supported_tv_modes = _supported, \
+ .default_mode = _default, \
+ .cmdline = _cmdline, \
+ .cmdline_mode = _cmdline_mode, \
+ .expected_modes = (expected_mode_func_t[]) { __VA_ARGS__ }, \
+ .num_expected_modes = sizeof((expected_mode_func_t[]) { __VA_ARGS__ }) / \
+ (sizeof(expected_mode_func_t)), \
+ }
+
+#define TV_MODE_TEST(_name, _supported, _default, ...) \
+ _TV_MODE_TEST(_name, _supported, _default, false, 0, __VA_ARGS__)
+
+#define TV_MODE_TEST_CMDLINE(_name, _supported, _default, _cmdline, ...) \
+ _TV_MODE_TEST(_name, _supported, _default, true, _cmdline, __VA_ARGS__)
+
+static void
+drm_test_connector_helper_tv_get_modes_check(struct kunit *test)
+{
+ const struct drm_connector_helper_tv_get_modes_test *params = test->param_value;
+ struct drm_probe_helper_test_priv *priv = test->priv;
+ struct drm_connector *connector = &priv->connector;
+ struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
+ struct drm_display_mode *mode;
+ const struct drm_display_mode *expected;
+ size_t len;
+ int ret;
+
+ if (params->cmdline) {
+ cmdline->tv_mode_specified = true;
+ cmdline->tv_mode = params->cmdline_mode;
+ }
+
+ ret = drm_mode_create_tv_properties(priv->drm, params->supported_tv_modes);
+ KUNIT_ASSERT_EQ(test, ret, 0);
+
+ drm_object_attach_property(&connector->base,
+ priv->drm->mode_config.tv_mode_property,
+ params->default_mode);
+
+ mutex_lock(&priv->drm->mode_config.mutex);
+
+ ret = drm_connector_helper_tv_get_modes(connector);
+ KUNIT_EXPECT_EQ(test, ret, params->num_expected_modes);
+
+ len = 0;
+ list_for_each_entry(mode, &connector->probed_modes, head)
+ len++;
+ KUNIT_EXPECT_EQ(test, len, params->num_expected_modes);
+
+ if (params->num_expected_modes >= 1) {
+ mode = list_first_entry_or_null(&connector->probed_modes,
+ struct drm_display_mode, head);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ expected = params->expected_modes[0](priv->drm);
+ KUNIT_ASSERT_NOT_NULL(test, expected);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(mode, expected));
+ KUNIT_EXPECT_TRUE(test, mode->type & DRM_MODE_TYPE_PREFERRED);
+ }
+
+ if (params->num_expected_modes >= 2) {
+ mode = list_next_entry(mode, head);
+ KUNIT_ASSERT_NOT_NULL(test, mode);
+
+ expected = params->expected_modes[1](priv->drm);
+ KUNIT_ASSERT_NOT_NULL(test, expected);
+
+ KUNIT_EXPECT_TRUE(test, drm_mode_equal(mode, expected));
+ KUNIT_EXPECT_FALSE(test, mode->type & DRM_MODE_TYPE_PREFERRED);
+ }
+
+ mutex_unlock(&priv->drm->mode_config.mutex);
+}
+
+static const
+struct drm_connector_helper_tv_get_modes_test drm_connector_helper_tv_get_modes_tests[] = {
+ { .name = "None" },
+ TV_MODE_TEST("PAL",
+ BIT(DRM_MODE_TV_MODE_PAL),
+ DRM_MODE_TV_MODE_PAL,
+ drm_mode_analog_pal_576i),
+ TV_MODE_TEST("NTSC",
+ BIT(DRM_MODE_TV_MODE_NTSC),
+ DRM_MODE_TV_MODE_NTSC,
+ drm_mode_analog_ntsc_480i),
+ TV_MODE_TEST("Both, NTSC Default",
+ BIT(DRM_MODE_TV_MODE_NTSC) | BIT(DRM_MODE_TV_MODE_PAL),
+ DRM_MODE_TV_MODE_NTSC,
+ drm_mode_analog_ntsc_480i, drm_mode_analog_pal_576i),
+ TV_MODE_TEST("Both, PAL Default",
+ BIT(DRM_MODE_TV_MODE_NTSC) | BIT(DRM_MODE_TV_MODE_PAL),
+ DRM_MODE_TV_MODE_PAL,
+ drm_mode_analog_pal_576i, drm_mode_analog_ntsc_480i),
+ TV_MODE_TEST_CMDLINE("Both, NTSC Default, with PAL on command-line",
+ BIT(DRM_MODE_TV_MODE_NTSC) | BIT(DRM_MODE_TV_MODE_PAL),
+ DRM_MODE_TV_MODE_NTSC,
+ DRM_MODE_TV_MODE_PAL,
+ drm_mode_analog_pal_576i, drm_mode_analog_ntsc_480i),
+ TV_MODE_TEST_CMDLINE("Both, PAL Default, with NTSC on command-line",
+ BIT(DRM_MODE_TV_MODE_NTSC) | BIT(DRM_MODE_TV_MODE_PAL),
+ DRM_MODE_TV_MODE_PAL,
+ DRM_MODE_TV_MODE_NTSC,
+ drm_mode_analog_ntsc_480i, drm_mode_analog_pal_576i),
+};
+
+static void
+drm_connector_helper_tv_get_modes_desc(const struct drm_connector_helper_tv_get_modes_test *t,
+ char *desc)
+{
+ sprintf(desc, "%s", t->name);
+}
+
+KUNIT_ARRAY_PARAM(drm_connector_helper_tv_get_modes,
+ drm_connector_helper_tv_get_modes_tests,
+ drm_connector_helper_tv_get_modes_desc);
+
+static struct kunit_case drm_test_connector_helper_tv_get_modes_tests[] = {
+ KUNIT_CASE_PARAM(drm_test_connector_helper_tv_get_modes_check,
+ drm_connector_helper_tv_get_modes_gen_params),
+ { }
+};
+
+static struct kunit_suite drm_test_connector_helper_tv_get_modes_suite = {
+ .name = "drm_connector_helper_tv_get_modes",
+ .init = drm_probe_helper_test_init,
+ .exit = drm_probe_helper_test_exit,
+ .test_cases = drm_test_connector_helper_tv_get_modes_tests,
+};
+
+kunit_test_suite(drm_test_connector_helper_tv_get_modes_suite);
+
+MODULE_AUTHOR("Maxime Ripard <[email protected]>");
+MODULE_LICENSE("GPL");
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