From patchwork Tue Nov 5 15:57:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislav Lisovskiy X-Patchwork-Id: 11228229 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E9224112B for ; Tue, 5 Nov 2019 16:00:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id D1832217F5 for ; Tue, 5 Nov 2019 16:00:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1832217F5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 04E6E6EACC; Tue, 5 Nov 2019 16:00:45 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id E050B6EACC for ; Tue, 5 Nov 2019 16:00:43 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Nov 2019 08:00:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,271,1569308400"; d="scan'208";a="403396397" Received: from slisovsk-lenovo-ideapad-720s-13ikb.fi.intel.com ([10.237.72.89]) by fmsmga006.fm.intel.com with ESMTP; 05 Nov 2019 08:00:40 -0800 From: Stanislav Lisovskiy To: intel-gfx@lists.freedesktop.org Date: Tue, 5 Nov 2019 17:57:54 +0200 Message-Id: <20191105155756.5186-1-stanislav.lisovskiy@intel.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v10 0/2] Refactor Gen11+ SAGV support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" For Gen11+ platforms BSpec suggests disabling specific QGV points separately, depending on bandwidth limitations and current display configuration. Thus it required adding a new PCode request for disabling QGV points and some refactoring of already existing SAGV code. Also had to refactor intel_can_enable_sagv function, as current seems to be outdated and using skl specific workarounds, also not following BSpec for Gen11+. Stanislav Lisovskiy (2): drm/i915: Refactor intel_can_enable_sagv drm/i915: Restrict qgv points which don't have enough bandwidth. drivers/gpu/drm/i915/display/intel_atomic.h | 3 + drivers/gpu/drm/i915/display/intel_bw.c | 118 +++++-- drivers/gpu/drm/i915/display/intel_bw.h | 2 + drivers/gpu/drm/i915/display/intel_display.c | 73 ++++- .../drm/i915/display/intel_display_types.h | 12 + drivers/gpu/drm/i915/i915_drv.h | 10 +- drivers/gpu/drm/i915/i915_reg.h | 8 + drivers/gpu/drm/i915/intel_pm.c | 303 ++++++++++++++++-- drivers/gpu/drm/i915/intel_pm.h | 1 + drivers/gpu/drm/i915/intel_sideband.c | 27 +- 10 files changed, 510 insertions(+), 47 deletions(-)