From patchwork Thu Aug 8 17:21:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 11084569 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1454F13AC for ; Thu, 8 Aug 2019 17:25:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F0BD228767 for ; Thu, 8 Aug 2019 17:25:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E528F28AE8; Thu, 8 Aug 2019 17:25:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9AAC628767 for ; Thu, 8 Aug 2019 17:25:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2C04F6E8A7; Thu, 8 Aug 2019 17:25:57 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 06C9C6E8A6 for ; Thu, 8 Aug 2019 17:25:55 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Aug 2019 10:25:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,362,1559545200"; d="scan'208";a="258778244" Received: from genxfsim-desktop.iind.intel.com ([10.223.74.120]) by orsmga001.jf.intel.com with ESMTP; 08 Aug 2019 10:25:53 -0700 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org Date: Thu, 8 Aug 2019 22:51:55 +0530 Message-Id: <20190808172158.30578-7-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190808172158.30578-1-anshuman.gupta@intel.com> References: <20190808172158.30578-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 6/9] drm/i915/tgl: Add VIDEO power domain 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: , Cc: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP The Power domain name VIDEO is inspired from the fact that DC3CO should be enabled only during VIDEO playback. POWER_DOMAIN_VIDEO is a hook to "DC5 Off" power well, which can disallow DC5/6 and allow DC3CO. Cc: Jani Nikula Cc: Imre Deak Cc: Animesh Manna Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_display_power.c | 3 +++ drivers/gpu/drm/i915/display/intel_display_power.h | 1 + drivers/gpu/drm/i915/i915_drv.h | 6 ++++++ 3 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index cc6f216292ef..7aa3e0f54965 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -122,6 +122,8 @@ intel_display_power_domain_str(struct drm_i915_private *i915, return "VGA"; case POWER_DOMAIN_AUDIO: return "AUDIO"; + case POWER_DOMAIN_VIDEO: + return "VIDEO"; case POWER_DOMAIN_AUX_A: return "AUX_A"; case POWER_DOMAIN_AUX_B: @@ -2779,6 +2781,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, #define TGL_DISPLAY_DC_OFF_POWER_DOMAINS ( \ TGL_PW_2_POWER_DOMAINS | \ + BIT_ULL(POWER_DOMAIN_VIDEO) | \ BIT_ULL(POWER_DOMAIN_MODESET) | \ BIT_ULL(POWER_DOMAIN_AUX_A) | \ BIT_ULL(POWER_DOMAIN_INIT)) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index 7a61cab1eb31..1dd221c4bee1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -66,6 +66,7 @@ enum intel_display_power_domain { POWER_DOMAIN_PORT_OTHER, POWER_DOMAIN_VGA, POWER_DOMAIN_AUDIO, + POWER_DOMAIN_VIDEO, POWER_DOMAIN_AUX_A, POWER_DOMAIN_AUX_B, POWER_DOMAIN_AUX_C, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 9f2aab9013fe..6a883fa92736 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -367,6 +367,12 @@ struct intel_csr { u32 allowed_dc_mask; intel_wakeref_t wakeref; bool prefer_dc3co; + intel_wakeref_t dc5_wakeref; + /* + * Mutex to protect dc5_wakeref which make maintain proper + * power domain reference count of POWER_DOMAIN_VIDEO + */ + struct mutex dc5_mutex; }; enum i915_cache_level {