From patchwork Wed Jan 13 22:09:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 12017897 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 257D0C433DB for ; Wed, 13 Jan 2021 22:05:33 +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 B888723382 for ; Wed, 13 Jan 2021 22:05:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B888723382 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 11E946E8BF; Wed, 13 Jan 2021 22:05:32 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id C6D6C6EC6E for ; Wed, 13 Jan 2021 22:05:30 +0000 (UTC) IronPort-SDR: nFc7V/yuBAFJ+jvIo6A2SYiB2EyDxYBpikAIJRX1/ogiT6hVmy1PvyQq0ZDk3IJnooHeO5WqLW M5j6/J7yE0SA== X-IronPort-AV: E=McAfee;i="6000,8403,9863"; a="177498731" X-IronPort-AV: E=Sophos;i="5.79,345,1602572400"; d="scan'208";a="177498731" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2021 14:05:30 -0800 IronPort-SDR: W8VBow6ELzUY+/Bq9n6l3rHOPXLPn1nr95RF2oocRb78u/oGmR/Kigk7Q9DqlqZd+pBT+jb/na TCrndjuWPJVw== X-IronPort-AV: E=Sophos;i="5.79,345,1602572400"; d="scan'208";a="400696544" Received: from labuser-z97x-ud5h.jf.intel.com ([10.165.21.211]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-SHA; 13 Jan 2021 14:05:30 -0800 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Wed, 13 Jan 2021 14:09:18 -0800 Message-Id: <20210113220935.4151-2-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20210113220935.4151-1-manasi.d.navare@intel.com> References: <20210113220935.4151-1-manasi.d.navare@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 01/18] drm/i915/display/vrr: Create VRR file and add VRR capability check 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: , Cc: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We create a new file for all VRR related helpers. Also add a function to check vrr capability based on platform support, DPCD bits and EDID monitor range. v2: * Remove author (Jani N) * Define HAS_VRR (Jani N) * Ensure intel_dp can be obtained from conn (Jani N) Cc: Ville Syrjälä Cc: Jani Nikula Signed-off-by: Manasi Navare --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/display/intel_vrr.c | 32 ++++++++++++++++++++++++ drivers/gpu/drm/i915/display/intel_vrr.h | 15 +++++++++++ drivers/gpu/drm/i915/i915_drv.h | 2 ++ 4 files changed, 50 insertions(+) create mode 100644 drivers/gpu/drm/i915/display/intel_vrr.c create mode 100644 drivers/gpu/drm/i915/display/intel_vrr.h diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index d6ac946d0407..c9edaa5d2821 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -255,6 +255,7 @@ i915-y += \ display/intel_sdvo.o \ display/intel_tv.o \ display/intel_vdsc.o \ + display/intel_vrr.o \ display/vlv_dsi.o \ display/vlv_dsi_pll.o diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c new file mode 100644 index 000000000000..8a427c152341 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2020 Intel Corporation + * + */ + +#include "i915_drv.h" +#include "intel_display_types.h" +#include "intel_vrr.h" + +bool intel_vrr_is_capable(struct drm_connector *connector) +{ + struct intel_dp *intel_dp; + const struct drm_display_info *info = &connector->display_info; + struct drm_i915_private *i915 = to_i915(connector->dev); + + if (connector->connector_type != DRM_MODE_CONNECTOR_eDP && + connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) + return false; + + intel_dp = intel_attached_dp(to_intel_connector(connector)); + /* + * DP Sink is capable of Variable refresh video timings if + * Ignore MSA bit is set in DPCD. + * EDID monitor range also should be atleast 10 for reasonable + * Adaptive sync/ VRR end user experience. + */ + return HAS_VRR(i915) && + drm_dp_sink_can_do_video_without_timing_msa(intel_dp->dpcd) && + info->monitor_range.max_vfreq - info->monitor_range.min_vfreq > 10; +} + diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h new file mode 100644 index 000000000000..3700acec5d09 --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_vrr.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2019 Intel Corporation +*/ + +#ifndef __INTEL_VRR_H__ +#define __INTEL_VRR_H__ + +#include + +struct drm_connector; + +bool intel_vrr_is_capable(struct drm_connector *connector); + +#endif /* __INTEL_VRR_H__ */ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e3d58299b323..15e016194685 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1758,6 +1758,8 @@ tgl_revids_get(struct drm_i915_private *dev_priv) #define HAS_DISPLAY(dev_priv) (INTEL_INFO(dev_priv)->pipe_mask != 0) +#define HAS_VRR(i915) (INTEL_GEN(i915) >= 12) + /* Only valid when HAS_DISPLAY() is true */ #define INTEL_DISPLAY_ENABLED(dev_priv) \ (drm_WARN_ON(&(dev_priv)->drm, !HAS_DISPLAY(dev_priv)), !(dev_priv)->params.disable_display)