From patchwork Sun Sep 25 22:27:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ma=C3=ADra_Canal?= X-Patchwork-Id: 12988143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CBB93C04A95 for ; Sun, 25 Sep 2022 22:31:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8E7E810E461; Sun, 25 Sep 2022 22:31:23 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine.igalia.com [178.60.130.6]) by gabe.freedesktop.org (Postfix) with ESMTPS id 46C2910E082 for ; Sun, 25 Sep 2022 22:31:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=vRsNOKCZLAwYgoti4qQiXscdBfoEDPjv/FY10PWzEqk=; b=JhgD0Cq5GtG9CVwLznNQmi1Szf a5jrPrOFmcEZPFY3VxCn2QFgj4dlmctz2ugM3AkHFsXedhkhwxPPUu1IHxmDFyJv46hkaXd2cI7xM QokPPRas/DtjR9ShgKsKH/5yp0EXOKo6Xs3mx4TsyOgYrTwCmHSH6diquyHFeeszqnkJD6njj1PDi qHXvQ9TcZw1ddVyMInI8KqtLAtINzV4BDJ3jldbkocBKpNcRRQW+sGqcrYPLqhVBtbX+bw+r1sFF8 +f4wmpvtlz3BK2TOldZhZUyvkI4DTK1Jbp8KvEXYxHLalylAkoYm1N1fMQWZtgdgVcEUuW7aJaTTq wliJmm7Q==; Received: from [177.34.169.227] (helo=bowie..) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1oca9A-008M6i-15; Mon, 26 Sep 2022 00:30:48 +0200 From: =?utf-8?q?Ma=C3=ADra_Canal?= To: David Airlie , Daniel Vetter , Melissa Wen , =?utf-8?q?Andr=C3=A9_Almeida?= , Javier Martinez Canillas , =?utf-8?q?Micha=C5=82_Winiar?= =?utf-8?q?ski?= , Daniel Latypov , David Gow Subject: [PATCH 2/2] drm/tests: Split drm_test_dp_mst_sideband_msg_req_decode into parameterized tests Date: Sun, 25 Sep 2022 19:27:19 -0300 Message-Id: <20220925222719.345424-2-mcanal@igalia.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220925222719.345424-1-mcanal@igalia.com> References: <20220925222719.345424-1-mcanal@igalia.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arthur Grillo , magalilemes00@gmail.com, tales.aparecida@gmail.com, =?utf-8?q?Ma=C3=ADra_Canal?= , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Isabella Basso Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The drm_test_dp_mst_sideband_msg_req_decode repeats the same test structure with different parameters. This could be better represented by parameterized tests, provided by KUnit. So, convert drm_test_dp_mst_sideband_msg_req_decode into parameterized tests and make the test's allocations and prints completly managed by KUnit. Signed-off-by: Maíra Canal --- .../gpu/drm/tests/drm_dp_mst_helper_test.c | 370 ++++++++++++------ 1 file changed, 243 insertions(+), 127 deletions(-) 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 12f41881db6b..545beea33e8c 100644 --- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c +++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c @@ -5,12 +5,8 @@ * Copyright (c) 2022 Maíra Canal */ -#define PREFIX_STR "[drm_dp_mst_helper]" - #include -#include - #include #include @@ -72,6 +68,217 @@ static void dp_mst_calc_pbn_mode_desc(const struct drm_dp_mst_calc_pbn_mode_test 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) @@ -147,41 +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 = ¶ms->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) { @@ -196,112 +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_PARAM(drm_test_dp_mst_calc_pbn_mode, drm_dp_mst_calc_pbn_mode_gen_params), - KUNIT_CASE(drm_test_dp_mst_sideband_msg_req_decode), + KUNIT_CASE_PARAM(drm_test_dp_mst_sideband_msg_req_decode, + drm_dp_mst_sideband_msg_req_gen_params), { } };