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Message-Id: <20250126145448.930220-8-sashal@kernel.org>
Date: Sun, 26 Jan 2025 09:54:24 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Maxime Ripard <mripard@...nel.org>,
	Sasha Levin <sashal@...nel.org>,
	maarten.lankhorst@...ux.intel.com,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	dave.stevenson@...pberrypi.com,
	quic_jjohnson@...cinc.com,
	victor.liu@....com,
	ruanjinjie@...wei.com,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.12 08/31] drm/tests: hdmi: return meaningful value from set_connector_edid()

From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

[ Upstream commit a8403be6eea91e4f5d8ad5dbc463dd08339eaece ]

The set_connector_edid() function returns a bogus 0, performing the
check on the connector->funcs->fill_modes() result internally. Make the
function pass the fill_modes()'s return value to the caller and move
corresponding checks to the caller site.

Reviewed-by: Maxime Ripard <mripard@...nel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241130-hdmi-mode-valid-v5-3-742644ec3b1f@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 .../drm/tests/drm_hdmi_state_helper_test.c    | 31 +++++++++----------
 1 file changed, 15 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
index 1e77689af6549..4ba869e0e794c 100644
--- a/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c
@@ -105,9 +105,8 @@ static int set_connector_edid(struct kunit *test, struct drm_connector *connecto
 	mutex_lock(&drm->mode_config.mutex);
 	ret = connector->funcs->fill_modes(connector, 4096, 4096);
 	mutex_unlock(&drm->mode_config.mutex);
-	KUNIT_ASSERT_GT(test, ret, 0);
 
-	return 0;
+	return ret;
 }
 
 static const struct drm_connector_hdmi_funcs dummy_connector_hdmi_funcs = {
@@ -223,7 +222,7 @@ drm_atomic_helper_connector_hdmi_init(struct kunit *test,
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	return priv;
 }
@@ -728,7 +727,7 @@ static void drm_test_check_output_bpc_crtc_mode_changed(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -802,7 +801,7 @@ static void drm_test_check_output_bpc_crtc_mode_not_changed(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -873,7 +872,7 @@ static void drm_test_check_output_bpc_dvi(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_dvi_1080p,
 				 ARRAY_SIZE(test_edid_dvi_1080p));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_FALSE(test, info->is_hdmi);
@@ -920,7 +919,7 @@ static void drm_test_check_tmds_char_rate_rgb_8bpc(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -967,7 +966,7 @@ static void drm_test_check_tmds_char_rate_rgb_10bpc(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -1014,7 +1013,7 @@ static void drm_test_check_tmds_char_rate_rgb_12bpc(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	ctx = drm_kunit_helper_acquire_ctx_alloc(test);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);
@@ -1121,7 +1120,7 @@ static void drm_test_check_max_tmds_rate_bpc_fallback(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1190,7 +1189,7 @@ static void drm_test_check_max_tmds_rate_format_fallback(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1254,7 +1253,7 @@ static void drm_test_check_output_bpc_format_vic_1(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1314,7 +1313,7 @@ static void drm_test_check_output_bpc_format_driver_rgb_only(struct kunit *test)
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1381,7 +1380,7 @@ static void drm_test_check_output_bpc_format_display_rgb_only(struct kunit *test
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_max_200mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_200mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1447,7 +1446,7 @@ static void drm_test_check_output_bpc_format_driver_8bpc_only(struct kunit *test
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_yuv_dc_max_340mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
@@ -1507,7 +1506,7 @@ static void drm_test_check_output_bpc_format_display_8bpc_only(struct kunit *tes
 	ret = set_connector_edid(test, conn,
 				 test_edid_hdmi_1080p_rgb_max_340mhz,
 				 ARRAY_SIZE(test_edid_hdmi_1080p_rgb_max_340mhz));
-	KUNIT_ASSERT_EQ(test, ret, 0);
+	KUNIT_ASSERT_GT(test, ret, 0);
 
 	info = &conn->display_info;
 	KUNIT_ASSERT_TRUE(test, info->is_hdmi);
-- 
2.39.5


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