From mboxrd@z Thu Jan 1 00:00:00 1970 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 8331ECD342C for ; Thu, 7 May 2026 01:29:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 14B7F10E231; Thu, 7 May 2026 01:29:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="i9k7NP0e"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id D692C10E231 for ; Thu, 7 May 2026 01:28:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778117317; x=1809653317; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=TArIM3wRJ7y3vy6bicx4V/XPnlgMnI0ME0E5Q2NiNoQ=; b=i9k7NP0etW2JBlPT+n3pNhdpGVIdmvZ3VUdvQ892X7T4OibLFqJKc4hF oMjwfBnx11craYdzmdq92cNynhTwx/77g1dQzdmwR+ZhMUSnClNehH6eQ Q7gFd8PQHVfvPMGf7j/HofV1MBy1BnkvHYactiSB/H93qsyL7dX6ACHuy bxw/Za6zwMJ3yvO/JfsM/SdahhkoVNLCoBhr7HrPjpMrIc95yoQCgTyIx Quwx44vwG0wXPKw6dMvh8luURZyAwp8dWcX/WH31zqh9bojx318BHC1qN euOLj+GEFls3Er5KqIJw8HKpcVXc6Kj/N8R/o2Wkj/bWbrLX6VPf/zU+Z Q==; X-CSE-ConnectionGUID: uarLOXx2TcCfAYWojNvgiA== X-CSE-MsgGUID: 2YN9hNdBToCTpS1PBzzcLA== X-IronPort-AV: E=McAfee;i="6800,10657,11778"; a="96490336" X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="96490336" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2026 18:28:37 -0700 X-CSE-ConnectionGUID: ONI0IQRlTryj1F9RUKguLg== X-CSE-MsgGUID: axnpbIu3S+iRwI2+Q6q91w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,220,1770624000"; d="scan'208";a="238115872" Received: from dev-417.igk.intel.com ([10.91.214.181]) by fmviesa004.fm.intel.com with ESMTP; 06 May 2026 18:28:35 -0700 From: =?UTF-8?q?Micha=C5=82=20Grzelak?= To: igt-dev@lists.freedesktop.org Cc: jani.nikula@intel.com, suraj.kandpal@intel.com, =?UTF-8?q?Micha=C5=82=20Grzelak?= Subject: [PATCH i-g-t v1 7/7] tools/vbt_decode: parse & dump VS/PE-O tables for JSL Date: Thu, 7 May 2026 03:28:21 +0200 Message-ID: <20260507012821.527453-8-michal.grzelak@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260507012821.527453-1-michal.grzelak@intel.com> References: <20260507012821.527453-1-michal.grzelak@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Dump VBT #57 tables for JSL. Add a table of strings to store each table's purpose. Show the affected modes on dumping. Warn the user on varying purpose of VS/PE-O tables which depend on whether VBT comes from EHL or JSL. Signed-off-by: Michał Grzelak --- tools/intel_vbt_decode.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/tools/intel_vbt_decode.c b/tools/intel_vbt_decode.c index cf6101f077..db596419b2 100644 --- a/tools/intel_vbt_decode.c +++ b/tools/intel_vbt_decode.c @@ -3487,6 +3487,12 @@ static const char * const vspeo_snps_tables[6] = { "DP 2.0", }; +static const char * const vspeo_jsl_tables[3] = { + "DP default", + "eDP HBR", + "eDP HBR2", +}; + static void dump_vspeo_lt(const struct bdb_vswing_preemph *vspeo) { const unsigned int *tables = vspeo->tables; @@ -3542,6 +3548,36 @@ static void dump_vspeo_snps(const struct bdb_vswing_preemph *vspeo) } } +static void dump_vspeo_jsl(const struct bdb_vswing_preemph *vspeo) +{ + const unsigned int *tables = vspeo->tables; + const unsigned int *vals; + int num_rows = 10; + size_t offset = 0; + + fprintf(stderr, "\tWarning: purpose of tables varies between EHL & JSL\n"); + printf("\tNumber of vswing tables: %d\n", vspeo->num_tables); + printf("\tNumber of columns: %d\n", vspeo->num_columns); + printf("\tNumber of rows: %d\n", num_rows); + + printf("\tPhy type: Combo\n"); + for (int idx = 0; idx < vspeo->num_tables; idx++) { + printf("\tVswing Table #%d (%s):\n", idx+1, vspeo_jsl_tables[idx]); + for (int row = 0; row < num_rows; row++) { + vals = &tables[offset]; + + printf("\t\t%s: ", vspeo_levels[row]); + printf("dw2_swing_sel: 0x%08x, ", vals[0]); + printf("dw7_n_scalar: 0x%08x, ", vals[1]); + printf("dw4_cursor_coeff: 0x%08x, ", vals[2]); + printf("dw4_post_cursor_2: 0x%08x, ", vals[3]); + printf("dw4_post_cursor_1: 0x%08x\n", vals[4]); + + offset += vspeo->num_columns; + } + } +} + static void dump_vswing_preemphasis(struct context *context, const struct bdb_block *block) { @@ -3558,6 +3594,8 @@ static void dump_vswing_preemphasis(struct context *context, dump_vspeo_snps(vspeo); } else if (strstr(sgt, "METEORLAKE")) { dump_vspeo_snps(vspeo); + } else if (strstr(sgt, "JASPERLAKE")) { + dump_vspeo_jsl(vspeo); } else { printf("platform not supported\n"); } -- 2.45.2