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 1E888C36014 for ; Tue, 1 Apr 2025 15:36:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DA03B10E5ED; Tue, 1 Apr 2025 15:36:35 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="UFCFXz3D"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 175C510E5F1 for ; Tue, 1 Apr 2025 15:36:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743521795; x=1775057795; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xKgkCLkKfYwa70Vqlgkw8ZfmHYnSeCmrJ7cFXTNhC/I=; b=UFCFXz3DT/zCp/hG+ciDsoUIcswt6oSFM32BoHFamP3ieO+kzodDrLhA Zx8/R3EHgRdNuokf+3p9OKpbL0PLRUFqMI0iTUgntzXIALAso04v3j6DO YhB6BsF+GlITuAgM3MwSU2pDhMlaoVfCXBgLLTaJWcaGUinVaC6mgzlVW X8V5SlYHkhqB0MTP1h32ghx6PDZptiMXIOwXLp1zWGM+C3LSwff8PIhDH gMuvF68Dr3tqVcJaswbNJHJvuuiQKl2GUEqJEOW7PghHkFgObkhlnST9R ZJcbCyw+TfNeZkQve9pwohKhE4Rqaw3qFEgrs33pybAOXu0mHg6qpfRuW g==; X-CSE-ConnectionGUID: 1ZYcFgiRTPqqg/bjN/Foiw== X-CSE-MsgGUID: VQsrD8CRQYqQ6/nC+V2lXg== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="67324923" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="67324923" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2025 08:36:30 -0700 X-CSE-ConnectionGUID: y1SxeoRtSbWcHn7jYDYxVw== X-CSE-MsgGUID: 7EuT3IHJRtSuUJ4MwScQmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126410946" Received: from anshuma1-desk.iind.intel.com ([10.190.239.112]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2025 08:36:27 -0700 From: Anshuman Gupta To: intel-xe@lists.freedesktop.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Cc: rafael@kernel.org, lenb@kernel.org, bhelgaas@google.com, ilpo.jarvinen@linux.intel.com, lucas.demarchi@intel.com, rodrigo.vivi@intel.com, badal.nilawar@intel.com, anshuman.gupta@intel.com, varun.gupta@intel.com, ville.syrjala@linux.intel.com, uma.shankar@intel.com Subject: [PATCH 07/12] drm/xe/vrsr: Enable VRSR on default VGA boot device Date: Tue, 1 Apr 2025 21:02:20 +0530 Message-ID: <20250401153225.96379-8-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250401153225.96379-1-anshuman.gupta@intel.com> References: <20250401153225.96379-1-anshuman.gupta@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: Badal Nilawar The VRSR feature is to enhance the display screen refresh experience when the device exits from the D3Cold state. Therefore, apply the VRSR feature to the default VGA boot device and when a display is connected. Signed-off-by: Badal Nilawar Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/xe/display/xe_display.c | 22 ++++++++++++++++++++++ drivers/gpu/drm/xe/display/xe_display.h | 2 ++ drivers/gpu/drm/xe/xe_pm.c | 5 +++++ 3 files changed, 29 insertions(+) diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 23937ed3b33d..a7a50f48f1c5 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -88,6 +88,28 @@ static void display_destroy(struct drm_device *dev, void *dummy) destroy_workqueue(xe->display.hotplug.dp_wq); } +bool xe_display_connected(struct xe_device *xe) +{ + struct drm_connector *list_connector; + struct drm_connector_list_iter iter; + bool ret = false; + + mutex_lock(&xe->drm.mode_config.mutex); + drm_connector_list_iter_begin(&xe->drm, &iter); + + drm_for_each_connector_iter(list_connector, &iter) { + if (list_connector->status == connector_status_connected) { + ret = true; + break; + } + } + + drm_connector_list_iter_end(&iter); + mutex_unlock(&xe->drm.mode_config.mutex); + + return ret; +} + /** * xe_display_create - create display struct * @xe: XE device instance diff --git a/drivers/gpu/drm/xe/display/xe_display.h b/drivers/gpu/drm/xe/display/xe_display.h index 46e14f8dee28..a432790d6d34 100644 --- a/drivers/gpu/drm/xe/display/xe_display.h +++ b/drivers/gpu/drm/xe/display/xe_display.h @@ -39,6 +39,7 @@ void xe_display_pm_resume(struct xe_device *xe); void xe_display_pm_runtime_suspend(struct xe_device *xe); void xe_display_pm_runtime_suspend_late(struct xe_device *xe); void xe_display_pm_runtime_resume(struct xe_device *xe); +bool xe_display_connected(struct xe_device *xe); #else @@ -71,5 +72,6 @@ static inline void xe_display_pm_runtime_suspend(struct xe_device *xe) {} static inline void xe_display_pm_runtime_suspend_late(struct xe_device *xe) {} static inline void xe_display_pm_runtime_resume(struct xe_device *xe) {} +static inline bool xe_display_connected(struct xe_device *xe) {} #endif /* CONFIG_DRM_XE_DISPLAY */ #endif /* _XE_DISPLAY_H_ */ diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index abb5099475cb..364b937e0ded 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include @@ -300,6 +301,7 @@ static int pci_acpi_aux_power_setup(struct xe_device *xe) static void xe_pm_vrsr_init(struct xe_device *xe) { + struct pci_dev *pdev = to_pci_dev(xe->drm.dev); int ret; /* Check if platform support d3cold vrsr */ @@ -309,6 +311,9 @@ static void xe_pm_vrsr_init(struct xe_device *xe) if (!xe_pm_vrsr_capable(xe)) return; + if (pdev != vga_default_device() || !xe_display_connected(xe)) + return; + /* * If the VRSR initialization fails, the device will proceed with the regular * D3 Cold flow -- 2.43.0