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 A2DACC5516D for ; Fri, 31 Jul 2026 12:14:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B0DF10F23D; Fri, 31 Jul 2026 12:14:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="CmZoME9o"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1536E10F250 for ; Fri, 31 Jul 2026 12:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785499969; x=1817035969; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZJQ5atJg8SIFzeCzMGc75UVRZm9Wavr6vsoTHEW68EI=; b=CmZoME9oaH3fZmz3wQBLa0RWdRAQSLI+WelrNjMi/5BnJOyeQWAwur7A Z4cXVLMTWNimyS0ZtvaaM6/Z+LZteUmbX1M8hLs0Ko1da0mdv09JG9YaK Nlr768XT83eaXO+In/OhNlZrBDs6eIftcjMRcXOuiySCQthctv8NPlamH 0T1Vz5CrTzFqd0GTTbU1wqx60XvpPj3zPCcOhtUKRosaVg1QxNuZj5h3z NUGJb2KYBSlWWo9G0Gy+R1P0Pu8f7VyzDEWnlfbReDoLfG511KWGGVyUy 2KBkTumECYSW2yx72WDZzsKUTm4RVQQobLTGa73Rf6asPf9DlnfLk0Sfk A==; X-CSE-ConnectionGUID: bfTL8/qVSiG+TzRB7aIBNw== X-CSE-MsgGUID: 88NT7ROVQ1CsnV/LN2LcgA== X-IronPort-AV: E=McAfee;i="6800,10657,11860"; a="85891505" X-IronPort-AV: E=Sophos;i="6.25,196,1779174000"; d="scan'208";a="85891505" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 05:12:48 -0700 X-CSE-ConnectionGUID: yS+mqupqQhqYeD4QqZgHjw== X-CSE-MsgGUID: 2MOoWGeUTYmNiu5bg3ZvbQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,196,1779174000"; d="scan'208";a="265630652" Received: from linux-x299-aorus-gaming-3-pro.iind.intel.com ([10.223.34.115]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 05:12:47 -0700 From: Swati Sharma To: igt-dev@lists.freedesktop.org Cc: Swati Sharma Subject: [PATCH i-g-t 2/4] tests/intel/kms_dsc_helper: Add helper to force compressed BPP Date: Fri, 31 Jul 2026 17:51:43 +0530 Message-Id: <20260731122145.4099468-3-swati2.sharma@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260731122145.4099468-1-swati2.sharma@intel.com> References: <20260731122145.4099468-1-swati2.sharma@intel.com> MIME-Version: 1.0 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" Helper function is added to force compressed BPP. v2: Rebase Signed-off-by: Swati Sharma --- tests/intel/kms_dsc_helper.c | 10 ++++++++++ tests/intel/kms_dsc_helper.h | 1 + 2 files changed, 11 insertions(+) diff --git a/tests/intel/kms_dsc_helper.c b/tests/intel/kms_dsc_helper.c index 9f581758f..50de12fe1 100644 --- a/tests/intel/kms_dsc_helper.c +++ b/tests/intel/kms_dsc_helper.c @@ -29,6 +29,16 @@ void force_dsc_enable_bpc(int drmfd, igt_output_t *output, int input_bpc) igt_assert_f(ret == 0, "forcing input dsc bpc debugfs_write failed\n"); } +void force_dsc_enable_compressed_bpp(int drmfd, igt_output_t *output, float compressed_bpp) +{ + int ret; + + igt_debug("Forcing compressed DSC BPP to %.2f on %s\n", + compressed_bpp, output->name); + ret = igt_force_dsc_enable_compressed_bpp(drmfd, output->name, compressed_bpp); + igt_assert_f(ret == 0, "forcing compressed dsc bpp debugfs_write failed\n"); +} + void save_force_dsc_en(int drmfd, igt_output_t *output) { force_dsc_en_orig = diff --git a/tests/intel/kms_dsc_helper.h b/tests/intel/kms_dsc_helper.h index 542fe46de..ba616468e 100644 --- a/tests/intel/kms_dsc_helper.h +++ b/tests/intel/kms_dsc_helper.h @@ -24,6 +24,7 @@ void force_dsc_enable(int drmfd, igt_output_t *output); void force_dsc_enable_bpc(int drmfd, igt_output_t *output, int input_bpc); +void force_dsc_enable_compressed_bpp(int drmfd, igt_output_t *output, float compressed_bpp); void save_force_dsc_en(int drmfd, igt_output_t *output); void restore_force_dsc_en(void); void kms_dsc_exit_handler(int sig); -- 2.25.1