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 94C92C19F4F for ; Tue, 30 Apr 2024 17:30:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 333A2112D9C; Tue, 30 Apr 2024 17:30:48 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ith01XyG"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id D0727112D77; Tue, 30 Apr 2024 17:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714498221; x=1746034221; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/+VBzGnypk4oxe/lNfyLahnlabWNZOFRngex1oHT6dA=; b=ith01XyG7pJMMEqFJquGCzFM6k4O7NTkCyzc5/U8wXiJWfJHNlsbNtSy CSqAbu96/IinS8llT8yr/MpgTpaKptd8LQfJaddtfq9FySuKh9g1xf5k5 WTPi9Obv5BZGPvTCCoNX5rn2ndL8Rx4gzo+mQE0tsQx7dGuaSR8U1MWj8 BI6dpeagbDrGQ0YkyMuvohtNfRu93AW+Mqr3ikdnODFvu8asdLB49dlji +JIl5AP1fnnURpYqZ33C5RfO/OD4eLrIBuP8Cipkt4CiJ6KoE0ceoYX3B c2RgYVAUM4fzrmuWFsn8NGloDd5xwbkJps7NX2hJTG9ByFKXk+134TcpO g==; X-CSE-ConnectionGUID: kRv51r7mSdGqJKKcIkt+6A== X-CSE-MsgGUID: hOw21rwvQB680PzeimaUpA== X-IronPort-AV: E=McAfee;i="6600,9927,11060"; a="27741995" X-IronPort-AV: E=Sophos;i="6.07,242,1708416000"; d="scan'208";a="27741995" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2024 10:30:20 -0700 X-CSE-ConnectionGUID: YNvq/15fTOWPxrNrJglleQ== X-CSE-MsgGUID: oy34lVeuS9GX7K0sytMZlg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,242,1708416000"; d="scan'208";a="26617840" Received: from invictus.jf.intel.com ([10.165.21.201]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2024 10:30:20 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, Anusha Srivatsa , Balasubramani Vivekanandan , Matt Roper , Radhakrishna Sripada Subject: [PATCH v3 10/19] drm/i915/xe2hpd: Configure CHICKEN_MISC_2 before enabling planes Date: Tue, 30 Apr 2024 10:28:41 -0700 Message-Id: <20240430172850.1881525-11-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240430172850.1881525-1-radhakrishna.sripada@intel.com> References: <20240430172850.1881525-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" From: Anusha Srivatsa Add step 9 from initialize display sequence. v2: Commit subject improved Bpsec: 49189 Signed-off-by: Anusha Srivatsa Signed-off-by: Balasubramani Vivekanandan Reviewed-by: Matt Roper Signed-off-by: Radhakrishna Sripada --- drivers/gpu/drm/i915/display/intel_display_power.c | 4 ++++ drivers/gpu/drm/i915/i915_reg.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 03dc7edcc443..a860d88a65da 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -1688,6 +1688,10 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv, if (IS_DG2(dev_priv)) intel_snps_phy_wait_for_calibration(dev_priv); + /* 9. XE2_HPD: Program CHICKEN_MISC_2 before any cursor or planes are enabled */ + if (DISPLAY_VER_FULL(dev_priv) == IP_VER(14, 1)) + intel_de_rmw(dev_priv, CHICKEN_MISC_2, BMG_DARB_HALF_BLK_END_BURST, 1); + if (resume) intel_dmc_load_program(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index beed2b97d4b2..962c1b307bde 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3792,6 +3792,7 @@ #define CHICKEN_MISC_2 _MMIO(0x42084) #define CHICKEN_MISC_DISABLE_DPT REG_BIT(30) /* adl,dg2 */ +#define BMG_DARB_HALF_BLK_END_BURST REG_BIT(27) #define KBL_ARB_FILL_SPARE_14 REG_BIT(14) #define KBL_ARB_FILL_SPARE_13 REG_BIT(13) #define GLK_CL2_PWR_DOWN REG_BIT(12) -- 2.34.1