From patchwork Tue Apr 1 15:32:13 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 14035027 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 706B020B819; Tue, 1 Apr 2025 15:36:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743521766; cv=none; b=leRXW4Mwcgl+JglMmOxC44VcbKj3Q0Ze5lKAxYP8iYnQHDeSdk3ynQSwAE24fK7Qzw0Z6WvwBfqtIlg0eWq1hVK0RfbwcVGLd9Suq0gFuxJFXlJ5Z8PYz9Xv6Wh21eUnWBiHf47A+9jz2pKdArO9JkEiR5QMWBsfNQFMjmChHu4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743521766; c=relaxed/simple; bh=y71/VVB6+FiUQ2JljcwF7CHK8xdtsmHsibSeicQnRek=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=E/IGg0xqoMooGQq5M4R9flzPbVwBl76WNE7Aio9a9e2I2OjbcK6vFngGnLPbGbdd2Nx5UCBjUq97yer3eUNAHHuG6PmVo+EmRBF0XowLU3n+rJg887VQht8FSMQtsE4WghBvix0fa7+TdGOT2k7dJIi8WKaAX7oj9qGumoptK3A= 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=SI+PyBrT; arc=none smtp.client-ip=198.175.65.9 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="SI+PyBrT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743521765; x=1775057765; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=y71/VVB6+FiUQ2JljcwF7CHK8xdtsmHsibSeicQnRek=; b=SI+PyBrT8xJte705I0wL9MXQqyFeWseQ3G35nxXD/4RginXhq7Uj/N7H O2LTueVpEdUKPrrWy0b28FR1KHSwfmNqAa+7up+8Hy3mTbsAOknVLbpMb kzyhcRSvES83xhxbVqYNJbk5H65gH5cFaj+6f8DBGVrvsNhMmuAAGjh3K ra5wIsLXZhPuOH7aUB3U//Fvgw6Ej2vNuJh6DbptsnsOX+SXYJyHQJXoI hy/T/JM0UiH/VNPMMgpRQQFA7CTYV4ioL/vYjyylZfxdZkkKokVmeQeIq t9/2cbENUN1KM6hkSL3gS5mmb4mBaQJ7pItVBq1u0hrBKy6pIcJ1EPqyx A==; X-CSE-ConnectionGUID: 8N0u64IvTE6LaqE7b23T9w== X-CSE-MsgGUID: mCpTX2tnS0+Y8D31JZ0TfQ== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="67324747" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="67324747" 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 08:36:04 -0700 X-CSE-ConnectionGUID: m/vp4MPWT0WHv3/2XXL3Ww== X-CSE-MsgGUID: SuYRzfubRp+PubW2UpshRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126410715" 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 08:36:00 -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 00/12] VRAM Self Refresh Date: Tue, 1 Apr 2025 21:02:13 +0530 Message-ID: <20250401153225.96379-1-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This revision has fixed the below review comment on RFC[1] series. PCIe ACPI Patches: - Break the _DSM {10, 11} Patch for different _DSM Method "D3cold Aux Power Limit", "PERST# Assertion Delay" (Bjorn Helgaas) - Remove the Battlemage-specific language from commit log and Document that this implementation does not track and aggregate requests from all child devices `below the Downstream Port. (Bjorn Helgaas) - Add Rev 3.3 along with Section in commit log. - Address cosmetic review comment. - Added a notifier block. Xe Pacthes: - %s/VRAM_/VRAM_SR/ (Rodrigo) - %s/d3cold.allowed/d3cold.target_state (Rodrigo) - Add has_vrsr flag and refactor pci_acpi_aux_power_setup. (Rodrigo) - Reorder the xe_d3_state enum. (Karthik) - Use default VGA gpu to enable VRSR. VRAM Self Refresh This revision has fixed the below review cpmment on RFC[1] series. PCIe ACPI Patches: - Break the _DSM {10, 11} Patch for different _DSM Method "D3cold Aux Power Limit", "PERST# Assertion Delay" (Bjorn Helgaas) - Remove the Battlemage-specific language from commit log and Document that this implementation does not track and aggregate requests from all child devices `below the Downstream Port. (Bjorn Helgaas) - Add Rev 3.3 along with Section in commit log. - Address cosmetic review comment. - Added a notifier block. Xe Patches: - %s/VRAM_/VRAM_SR/ (Rodrigo) - %s/d3cold.allowed/d3cold.target_state (Rodrigo) - Add has_vrsr flag and refactor pci_acpi_aux_power_setup. (Rodrigo) - Reorder the xe_d3_state enum. (Karthik) - Use default VGA gpu to enable VRSR. [1] https://patchwork.freedesktop.org/series/145342/ Anshuman Gupta (8): PCI/ACPI: Add D3cold Aux Power Limit_DSM method PCI/ACPI: Add PERST# Assertion Delay _DSM method PCI/ACPI: Add aux power grant notifier drm/xe/vrsr: Detect VRSR Capability drm/xe: Add PCIe ACPI Aux Power notifier drm/xe/vrsr: Refactor d3cold.allowed to a enum drm/xe/pm: D3Cold target state drm/xe/vrsr: Enable VRSR Badal Nilawar (4): drm/xe/vrsr: Introduce flag has_vrsr drm/xe/vrsr: Initialize VRSR feature drm/xe/vrsr: Enable VRSR on default VGA boot device drm/xe/vrsr: Introduce a debugfs node named vrsr_capable drivers/gpu/drm/xe/display/xe_display.c | 28 ++- drivers/gpu/drm/xe/display/xe_display.h | 2 + drivers/gpu/drm/xe/regs/xe_regs.h | 3 + drivers/gpu/drm/xe/xe_debugfs.c | 20 ++ drivers/gpu/drm/xe/xe_device_types.h | 15 +- drivers/gpu/drm/xe/xe_pci.c | 13 +- drivers/gpu/drm/xe/xe_pcode_api.h | 8 + drivers/gpu/drm/xe/xe_pm.c | 236 ++++++++++++++++++++++-- drivers/gpu/drm/xe/xe_pm.h | 9 +- drivers/pci/pci-acpi.c | 159 ++++++++++++++++ include/linux/pci-acpi.h | 26 +++ 11 files changed, 490 insertions(+), 29 deletions(-)