From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 37ADA26FD84; Wed, 15 Oct 2025 08:03:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760515384; cv=none; b=R7QrMOTQYcml9XKLCy10ArNSWW9ST2ujYzfrS1iDyOAkb27QnFIPuZbXQl9G76wQDoFzFmDxfGVJpQvJB6N49wppDXbds/9HehbH06VZMXT8zriq7O35siBAEZ100ah9DNnyHr/naHxT7Exs15y5g7hImHYhd/mkmlRNL/eGz1w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760515384; c=relaxed/simple; bh=RCJDPC3KKO3McUyWYl+T4hKLPNTUO5NjLHbVV8W3fOk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=QRboAMQfZmzzya1CK1YjhuegiYxnklqIZCI8exjqIAN4p+ry3z2seZqQenqpW1WTeVIxdxqqPpzdQkv9bzHFmNrPxJ0ZwFW7j908yV38VJn3s7YE96wWt0Jo+td+ra7NlCr/HZ95G0TLK5ZbQ6+KKbLdRS675LboSgTNP7xZMJU= 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=j3S6nPeE; arc=none smtp.client-ip=192.198.163.18 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="j3S6nPeE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760515383; x=1792051383; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RCJDPC3KKO3McUyWYl+T4hKLPNTUO5NjLHbVV8W3fOk=; b=j3S6nPeEPvQsM8OooWde7Zw0V6IRtsarvPq3khO1APXfVf85416T9t0p M7K09b8RIiwTMunSlIO44XG+qsCCSU6PzIqIgtt6pH/Yo8wNTYdt2mzNH dmBJT8h1hKa6RD9g0TMNqUikr/xWWcnOAkxkKToDVBUiAR9doYvy1ABTm rgOYXsb2X+CBs5OOJIJCeL911D5QNp4C6DCRIGzQQeHvypGshQd/fdelp q9SQOcZQc1/lIeNqcF1kUsVBpX0t+ACBd7DhGeQkbmdCZNUnQZ9Clnn2x MUKNCEIX9MrW48xbrFvRwtKADxrNE/OQnU3gTktF6hgl/gW6xx1jdGqnS A==; X-CSE-ConnectionGUID: upHZ4BU9QNS4oOkIvtwiDA== X-CSE-MsgGUID: DdMrw/LNQm+I3xEs3uKmAQ== X-IronPort-AV: E=McAfee;i="6800,10657,11582"; a="61891514" X-IronPort-AV: E=Sophos;i="6.19,230,1754982000"; d="scan'208";a="61891514" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2025 01:03:03 -0700 X-CSE-ConnectionGUID: 1f7ZIKrISBSCkSgAP1S9PQ== X-CSE-MsgGUID: /BiNBmYoS8ikkdXOTmLNOQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,230,1754982000"; d="scan'208";a="205805474" Received: from bnilawar-desk2.iind.intel.com ([10.190.239.41]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Oct 2025 01:02:59 -0700 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, lucas.demarchi@intel.com, rodrigo.vivi@intel.com, varun.gupta@intel.com, ville.syrjala@linux.intel.com, uma.shankar@intel.com, karthik.poosa@intel.com Subject: [PATCH v5 09/12] drm/xe/pm: D3cold target state Date: Wed, 15 Oct 2025 13:37:07 +0530 Message-Id: <20251015080710.1468409-10-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251015080710.1468409-1-badal.nilawar@intel.com> References: <20251015080710.1468409-1-badal.nilawar@intel.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 aa38dbe1e368..f599513edca6 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; @@ -1077,10 +1087,14 @@ 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); } /** -- 2.34.1