From patchwork Mon Feb 24 16:48:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 13988461 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 479FE2627F2; Mon, 24 Feb 2025 16:50:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740415831; cv=none; b=r85uJnGxvH2oMCs0m1rnvUre6hZHkCdQ2YgcKJ8dvIt+nGcY/1IdmDQ5c2Jevx8A66U+7TNjsIiRWZ4LTuM53VHbVJSdtXw19DtNuTfG9ddLC8DXNsgBSLMKdptj5V8TieenYVgnWcDt+zs5MNg0irV3cow8S2rQyal5RM8Vkoc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740415831; c=relaxed/simple; bh=+tzhPS7HbM96Xz5fwzMJJuNB5rQ2qrFynbHteGeSjy4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=cQCUKRixPOpuQmNRJUlkFcNqjJgDL/KabPuUFKIG0CtzHA4sO2mbKPqGtdejbBM69c5/54UWBgN0VkA3/FzSCnb703q/KnqE8IqVK6jalV5OAS/ySoR1+cjoEDtjwahvne9KKzQ/WMVqqmDHXqMX+v1ia15rYGMyXs4mwiRdjhk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IIzCq1HC; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IIzCq1HC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740415830; x=1771951830; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+tzhPS7HbM96Xz5fwzMJJuNB5rQ2qrFynbHteGeSjy4=; b=IIzCq1HCjAyQhZeaSkpmwIFmBb7/VmwNuIpBYY4pirlj8NNM4ItQadCO M/1hEd1i9SuwYKJCFqp8ZP3XBGj366NgvUzfb4WisDh4cPnUV1ejS0ZXY Fsja2/WPDme6mOKa1s0t5u+KwarEIoFjWNxn8k9lZU2zShnUxjW8mSCdC 2TN5pehUxs3yE5Xve0ySqPUtOyK9JxV1Xmuc8RPmIeUUdx8fGQvLAvimk Tkat3oWUsNSQuvCpzGeh10ddlSXa+6OUO0bCWWRQHO8RqrFtwsDzPjTdB 1JKN9e8zqP9xDnckAwCGt8VE5dj+9EYFbWnSo8vXpRWlLOC0exzK9K8er g==; X-CSE-ConnectionGUID: fzjU8AZQR/CqkJ6k+UA+pw== X-CSE-MsgGUID: aVfrJCKWTiisuc8tjXYeiA== X-IronPort-AV: E=McAfee;i="6700,10204,11355"; a="41063217" X-IronPort-AV: E=Sophos;i="6.13,312,1732608000"; d="scan'208";a="41063217" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2025 08:50:30 -0800 X-CSE-ConnectionGUID: GRjqqAFYTGC297OjOVmNgQ== X-CSE-MsgGUID: flbK8NBpRpyW9P7xs8HBBA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,312,1732608000"; d="scan'208";a="121032432" Received: from anshuma1-desk.iind.intel.com ([10.190.239.112]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2025 08:50:27 -0800 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, kam.nasim@intel.com, Anshuman Gupta Subject: [RFC 5/6] drm/xe/pm: D3Cold target state Date: Mon, 24 Feb 2025 22:18:48 +0530 Message-Id: <20250224164849.3746751-6-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250224164849.3746751-1-anshuman.gupta@intel.com> References: <20250224164849.3746751-1-anshuman.gupta@intel.com> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Trade-off D3Cold target state based upon current vram usages. if vram usages is greater then vram_d3cold_threshold and GPU has display connected then target D3Cold state is D3Cold-VRSR otherwise target state is D3COLD-Off. Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/xe/display/xe_display.c | 22 ++++++++++++++++++++++ drivers/gpu/drm/xe/display/xe_display.h | 1 + drivers/gpu/drm/xe/xe_pm.c | 12 ++++++++++++ 3 files changed, 35 insertions(+) diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 02a413a07382..140a43d6b1b6 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -548,3 +548,25 @@ int xe_display_probe(struct xe_device *xe) unset_display_features(xe); return 0; } + +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; +} diff --git a/drivers/gpu/drm/xe/display/xe_display.h b/drivers/gpu/drm/xe/display/xe_display.h index 685dc74402fb..c6bc54323084 100644 --- a/drivers/gpu/drm/xe/display/xe_display.h +++ b/drivers/gpu/drm/xe/display/xe_display.h @@ -40,6 +40,7 @@ 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 diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c index 81e67b5693dc..6d28aedcb062 100644 --- a/drivers/gpu/drm/xe/xe_pm.c +++ b/drivers/gpu/drm/xe/xe_pm.c @@ -198,6 +198,14 @@ 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.allowed = XE_D3COLD_OFF; +} + /** * xe_pm_suspend - Helper for System suspend, i.e. S0->S3 / S0->S2idle * @xe: xe device instance @@ -213,6 +221,8 @@ 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; @@ -875,6 +885,8 @@ void xe_pm_d3cold_allowed_toggle(struct xe_device *xe) if (total_vram_used_mb < xe->d3cold.vram_threshold) xe->d3cold.allowed = XE_D3COLD_OFF; + else if (xe->d3cold.vrsr_capable && xe_display_connected(xe)) + xe->d3cold.allowed = XE_D3COLD_VRSR; else xe->d3cold.allowed = XE_D3HOT;