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 7B30AC36018 for ; Tue, 1 Apr 2025 15:36:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3DC4510E5F1; Tue, 1 Apr 2025 15:36:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mV7HUVZj"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6E8EF10E5EA for ; Tue, 1 Apr 2025 15:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743521804; x=1775057804; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dsP+888uIdqDAiC2Bm7ZdgFdM4RIRERPL+I4RhA8s+M=; b=mV7HUVZjzvenMJnbbhv0lTzwlqVAv1LikFGXXNnwgpvtY9bjsLRG82RQ i4Ikfq+UkCguojEJrCPX3uI03G9xXdFAn+5+4V+yN8eYIdyxfmHyz3Q5u z+jsTSCEOX97+DiAleMMn5KXnKjBaRyGbLNT+tasZVz7xUVh5tzGpyTlr a0+DdOzxnYcbk1hPn3pufIRBnrUl2lkdGuxG0RRtx5uRyzKQjgBYATBxP ju203skuoK71FN6316TPlKYgdY7xPp91DNmrGzUHd3hilivQCcLUdzBUl DwVj2MBqtpXw37pinKYTabWxMa7Uy0jjJXFG8g6a/98/6bR/kQDmkkZ9I A==; X-CSE-ConnectionGUID: IrAG0N2XTeaiw/pv7q5qYg== X-CSE-MsgGUID: 5I6M5CdiQm+w4SqRuH43FQ== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="67324968" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="67324968" 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 08:36:43 -0700 X-CSE-ConnectionGUID: 7tuduFq8SsysXcdMIqzJtg== X-CSE-MsgGUID: euFH4kPtTHSbmyPBe3rq6Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126410990" 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 08:36:39 -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 10/12] drm/xe/pm: D3Cold target state Date: Tue, 1 Apr 2025 21:02:23 +0530 Message-ID: <20250401153225.96379-11-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" 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 --- 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 d4149a2eace7..5db9313ae269 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -148,6 +148,14 @@ 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_allowed_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 @@ -163,6 +171,8 @@ int xe_pm_suspend(struct xe_device *xe) drm_dbg(&xe->drm, "Suspending device\n"); 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; @@ -927,10 +937,14 @@ 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.allowed); } /** -- 2.43.0