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 3159BD2F33D for ; Tue, 13 Jan 2026 16:32:35 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E205410E357; Tue, 13 Jan 2026 16:32:34 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="M72xvR7H"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A48010E513 for ; Tue, 13 Jan 2026 16:32:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768321953; x=1799857953; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=trDKs1jKEbKE7Za1jhy5nYv7ZJc3BN8CxALXHqh7VBU=; b=M72xvR7H5Es45X6Gx1GAShO9qs60DpixU8sZqjG2XGcMxxHkcYUw200k Lqf9tZ2An4mXiI6hEDfAd1sG8WMyZHlqvcICYMbl58itgdLPjXH9X3KSC AFctmEmRlZ+iqpdvOEBHghnLcPggWuan9ZLT57rrAu51VI1tC2G85z3KI x6zPa+D74rlX8AVZBCPl4IscJX3UoeMxq/EIAuj/b3CiOLA7gwSCUuk6L 5PmkifIEDBUC6NzA/ludE5vUm1/tfQQVGUJuUK9w2vSTAsxndaU4mpddV PgnGnYxvbX+EmIWbvPbUCIJV9f2kFB1VwpruPHDKsqRGpJdQrPhHu1q9K A==; X-CSE-ConnectionGUID: OPGCg09BSl+0SGS0uIXFiw== X-CSE-MsgGUID: +EAmyF4fTcqiYeXDLMr3EQ== X-IronPort-AV: E=McAfee;i="6800,10657,11670"; a="69521058" X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="69521058" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2026 08:32:33 -0800 X-CSE-ConnectionGUID: bKjgY74UStCXlkSZGGuE0Q== X-CSE-MsgGUID: pICgS0vNT2mHVzSu9/FxUA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,222,1763452800"; d="scan'208";a="204060162" Received: from bnilawar-desk2.iind.intel.com ([10.190.239.41]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2026 08:32:29 -0800 From: Badal Nilawar To: intel-xe@lists.freedesktop.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Cc: anshuman.gupta@intel.com, rafael@kernel.org, lenb@kernel.org, bhelgaas@google.com, ilpo.jarvinen@linux.intel.com, rodrigo.vivi@intel.com, varun.gupta@intel.com, ville.syrjala@linux.intel.com, uma.shankar@intel.com, karthik.poosa@intel.com, matthew.auld@intel.com, sk.anirban@intel.com, raag.jadav@intel.com Subject: [PATCH v6 08/12] drm/xe/pm: D3cold target state Date: Tue, 13 Jan 2026 22:12:09 +0530 Message-ID: <20260113164200.1151788-22-badal.nilawar@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260113164200.1151788-14-badal.nilawar@intel.com> References: <20260113164200.1151788-14-badal.nilawar@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: Anshuman Gupta Trade-off D3cold target state based upon current vram usage. If vram usage is greater than vram_d3cold_threshold and GPU is VRSR capable target D3cold state is D3cold-VRSR otherwise target state is D3cold-Off. Signed-off-by: Anshuman Gupta Reviewed-by: Karthik Poosa --- drivers/gpu/drm/xe/xe_pm.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index ef7a686eb014..1a1edbfcf240 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -167,6 +167,14 @@ static void xe_rpm_lockmap_release(const struct xe_device *xe) &xe_pm_runtime_d3cold_map); } +static void xe_pm_suspend_prepare(struct xe_device *xe) +{ + if (pm_suspend_target_state == PM_SUSPEND_TO_IDLE) + xe_pm_d3cold_target_state_toggle(xe); + else + xe->d3cold.target_state = XE_D3COLD_OFF; +} + /** * xe_pm_suspend - Helper for System suspend, i.e. S0->S3 / S0->S2idle * @xe: xe device instance @@ -183,6 +191,8 @@ int xe_pm_suspend(struct xe_device *xe) xe_pm_block_begin_signalling(); trace_xe_pm_suspend(xe, __builtin_return_address(0)); + xe_pm_suspend_prepare(xe); + err = xe_pxp_pm_suspend(xe->pxp); if (err) goto err; @@ -1115,10 +1125,14 @@ void xe_pm_d3cold_target_state_toggle(struct xe_device *xe) if (total_vram_used_mb < xe->d3cold.vram_threshold) xe->d3cold.target_state = XE_D3COLD_OFF; + else if (xe->d3cold.vrsr_capable) + xe->d3cold.target_state = XE_D3COLD_VRSR; else xe->d3cold.target_state = XE_D3HOT; mutex_unlock(&xe->d3cold.lock); + + drm_dbg(&xe->drm, "Xe D3cold target state %d\n", xe->d3cold.target_state); } /** -- 2.52.0