From patchwork Fri Sep 20 11:59:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 11154337 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A154A1599 for ; Fri, 20 Sep 2019 12:07:32 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 89B0920644 for ; Fri, 20 Sep 2019 12:07:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 89B0920644 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F2E896FCC6; Fri, 20 Sep 2019 12:07:31 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id E435C6FCC8 for ; Fri, 20 Sep 2019 12:07:30 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Sep 2019 05:07:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,528,1559545200"; d="scan'208";a="217629470" Received: from amanna.iind.intel.com ([10.223.74.216]) by fmsmga002.fm.intel.com with ESMTP; 20 Sep 2019 05:07:28 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org Date: Fri, 20 Sep 2019 17:29:21 +0530 Message-Id: <20190920115930.27829-2-animesh.manna@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190920115930.27829-1-animesh.manna@intel.com> References: <20190920115930.27829-1-animesh.manna@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v9 01/10] drm/i915/dsb: feature flag added for display state buffer. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Display State Buffer(DSB) is a new hardware capability, introduced in GEN12 display. DSB allows a driver to batch-program display HW registers. Cc: Jani Nikula Cc: Rodrigo Vivi Cc: Shashank Sharma Reviewed-by: Shashank Sharma Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/intel_device_info.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4faec2f94e19..84b9b138d7ac 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1863,6 +1863,8 @@ static inline struct drm_i915_private *pdev_to_i915(struct pci_dev *pdev) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(n)) + \ INTEL_INFO(dev_priv)->gen == (n)) +#define HAS_DSB(dev_priv) (INTEL_INFO(dev_priv)->display.has_dsb) + /* * Return true if revision is in range [since,until] inclusive. * diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index d4c288860aed..0cdc2465534b 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -135,6 +135,7 @@ enum intel_ppgtt_type { func(has_csr); \ func(has_ddi); \ func(has_dp_mst); \ + func(has_dsb); \ func(has_fbc); \ func(has_gmch); \ func(has_hotplug); \