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 C9A72CA0EED for ; Thu, 28 Aug 2025 12:21:15 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5885C10E34C; Thu, 28 Aug 2025 12:21:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="iM3J3MP6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1C09210E98D; Thu, 28 Aug 2025 12:21:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1756383674; x=1787919674; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=7eBi/6/JxHoomOTgPUVYJOye+xQYV+e/6elOWpMQv9Y=; b=iM3J3MP6NlN6wElajT7WkTqTUFjqQAc6+gzq+WAiMiUMIwgwaVnK3mZ+ nmgV4pN3b8xQTSZAR8ZkG8Ug+zFweWi4X6wwcWahwVgD/wXdMbcDbjLwJ qL1MBzuwzWR/QxPrBROvQT/5x1pq6MiXeYXDXAEM8Gry7BUvPXefXkYEl pnP6qHbae/GEbqm19n7IWIq42NdvQnkkNq5eP8N6NDOustvpConfUnMJT muJ+AFTX/J/01N028OxYMUohU3duKw6z1FjrMTEvfQ6yWqJa+jV5oCfwl pQyXAJiTC+CLGjiW7M91ey8ZaFcPqBytVAL07AGg4m+uf7zCKa6EEHMlj Q==; X-CSE-ConnectionGUID: Xo7Y1IJTRpmfhZCFvUZQ7g== X-CSE-MsgGUID: D4IE3t3+RCGEFl83uHS+Bg== X-IronPort-AV: E=McAfee;i="6800,10657,11535"; a="58360015" X-IronPort-AV: E=Sophos;i="6.18,217,1751266800"; d="scan'208";a="58360015" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2025 05:21:14 -0700 X-CSE-ConnectionGUID: vgN25mCnSeGXU4fZLfAPpg== X-CSE-MsgGUID: mSwv0fGcQgKf9eGvqbwQrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,217,1751266800"; d="scan'208";a="169999557" Received: from carterle-desk.ger.corp.intel.com (HELO localhost) ([10.245.246.10]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2025 05:21:12 -0700 From: Jani Nikula To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jani.nikula@intel.com, ville.syrjala@linux.intel.com, Suraj Kandpal Subject: [PATCH 01/20] drm/i915/hdmi: use generic poll_timeout_us() instead of __wait_for() Date: Thu, 28 Aug 2025 15:20:43 +0300 Message-ID: X-Mailer: git-send-email 2.47.2 In-Reply-To: References: MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Prefer generic poll helpers over i915 custom helpers. The functional change is losing the exponentially growing sleep of __wait_for(), which used to be 1, 2, 4, and 8 ms in this particular case. Use an arbitrary constant 4 ms sleep instead. The timeout remains, varying between 20 ms and 3000 ms. Cc: Suraj Kandpal Signed-off-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_hdmi.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index cbee628eb26b..09111e6d1d20 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -1689,11 +1690,10 @@ intel_hdmi_hdcp2_wait_for_msg(struct intel_digital_port *dig_port, if (timeout < 0) return timeout; - ret = __wait_for(ret = hdcp2_detect_msg_availability(dig_port, - msg_id, &msg_ready, - &msg_sz), - !ret && msg_ready && msg_sz, timeout * 1000, - 1000, 5 * 1000); + ret = poll_timeout_us(ret = hdcp2_detect_msg_availability(dig_port, msg_id, + &msg_ready, &msg_sz), + !ret && msg_ready && msg_sz, + 4000, timeout * 1000, false); if (ret) drm_dbg_kms(display->drm, "msg_id: %d, ret: %d, timeout: %d\n", -- 2.47.2