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 9B4E0CCFA13 for ; Mon, 10 Nov 2025 17:28:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 328BD10E486; Mon, 10 Nov 2025 17:28:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="gy/QY0e9"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9A80210E2CF; Mon, 10 Nov 2025 17:28:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762795697; x=1794331697; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=baax1TcAAwNxJ908k2yqOmW8gdlMXK+Rkws1o4a0WNc=; b=gy/QY0e9a2KkG9Qt0aYI6Fy3YCYTA6xQaSeloEoQbzmfaWoiLZj7JU6h 0R5dTMPasf8UhzcpFa3B7dcxK2fq5MvLgfCSifQqkfrxvAZi3nb3t6N3A iAg5tiY6aJTw3X5Gfj+xrX2nsMgvUtxozKs3dRhe1n8sFEpFA0AnYMA6l V9SufB1fezrRQ3KhxSY9t6kd/BxuaJx706g2DFiSXVg6tU6QkXxybzkQO 2g7J2CO8vnS1ewZfSSPnVrf54IbhkAEwZRZzXSV11RExhV9Jj+S8b9Bfo MQCGJeed/CWCgBTrK8hlZ1euktsPcscEcsdUDzQ9lDOOahV5H4iJS1Nvp Q==; X-CSE-ConnectionGUID: BiJb7pd7QD2sP/hoD3TRug== X-CSE-MsgGUID: gr6ekzQHRAC5z1xXhPpxCg== X-IronPort-AV: E=McAfee;i="6800,10657,11609"; a="75143293" X-IronPort-AV: E=Sophos;i="6.19,294,1754982000"; d="scan'208";a="75143293" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 09:28:17 -0800 X-CSE-ConnectionGUID: 4QgIHp9/RfyKcS54ZIYtJg== X-CSE-MsgGUID: b1ydmFTHT/GUitFxcr7VeQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,294,1754982000"; d="scan'208";a="219445336" Received: from bergbenj-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.30]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 09:28:16 -0800 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org Subject: [PATCH 04/16] drm/i915/de: Introduce intel_de_wait_us() Date: Mon, 10 Nov 2025 19:27:43 +0200 Message-ID: <20251110172756.2132-5-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.49.1 In-Reply-To: <20251110172756.2132-1-ville.syrjala@linux.intel.com> References: <20251110172756.2132-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" From: Ville Syrjälä Introduce intel_de_wait_us() as the microsecond based counterpart to the millisecond based intel_de_wait_ms(). Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_de.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h index d449180d1d22..43a4160f760a 100644 --- a/drivers/gpu/drm/i915/display/intel_de.h +++ b/drivers/gpu/drm/i915/display/intel_de.h @@ -114,6 +114,23 @@ __intel_de_wait_for_register_atomic_nowl(struct intel_display *display, value, fast_timeout_us, 0, NULL); } +static inline int +intel_de_wait_us(struct intel_display *display, i915_reg_t reg, + u32 mask, u32 value, unsigned int timeout_us, + u32 *out_value) +{ + int ret; + + intel_dmc_wl_get(display, reg); + + ret = __intel_wait_for_register(__to_uncore(display), reg, mask, + value, timeout_us, 0, out_value); + + intel_dmc_wl_put(display, reg); + + return ret; +} + static inline int intel_de_wait_ms(struct intel_display *display, i915_reg_t reg, u32 mask, u32 value, unsigned int timeout_ms, -- 2.49.1