From patchwork Fri Nov 18 15:09:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, Mahesh" X-Patchwork-Id: 9436889 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8C80860238 for ; Fri, 18 Nov 2016 15:10:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 813242993B for ; Fri, 18 Nov 2016 15:10:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 760832993D; Fri, 18 Nov 2016 15:10:52 +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=-4.2 required=2.0 tests=BAYES_00, 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 233072993B for ; Fri, 18 Nov 2016 15:10:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6FE186E9EE; Fri, 18 Nov 2016 15:10:51 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5910A6E9EE for ; Fri, 18 Nov 2016 15:10:50 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP; 18 Nov 2016 07:10:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,510,1473145200"; d="scan'208";a="902935775" Received: from kumarmah-desk.iind.intel.com ([10.223.26.44]) by orsmga003.jf.intel.com with ESMTP; 18 Nov 2016 07:10:48 -0800 From: Mahesh Kumar To: intel-gfx@lists.freedesktop.org Date: Fri, 18 Nov 2016 20:39:32 +0530 Message-Id: <20161118150934.29851-7-mahesh1.kumar@intel.com> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20161118150934.29851-1-mahesh1.kumar@intel.com> References: <20161118150934.29851-1-mahesh1.kumar@intel.com> Cc: paulo.r.zanoni@intel.com, maarten.lankhorst@intel.com Subject: [Intel-gfx] [PATCH v5 6/8] drm/i915: Add intel_atomic_get_existing_crtc_state function X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This patch Adds a function to extract intel_crtc_state from the atomic_state, if not available it returns NULL. Signed-off-by: Mahesh Kumar Reviewed-by: Paulo Zanoni --- drivers/gpu/drm/i915/intel_drv.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index ad542a2..db75773 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1794,6 +1794,20 @@ intel_atomic_get_crtc_state(struct drm_atomic_state *state, return to_intel_crtc_state(crtc_state); } +static inline struct intel_crtc_state * +intel_atomic_get_existing_crtc_state(struct drm_atomic_state *state, + struct intel_crtc *crtc) +{ + struct drm_crtc_state *crtc_state; + + crtc_state = drm_atomic_get_existing_crtc_state(state, &crtc->base); + + if (crtc_state) + return to_intel_crtc_state(crtc_state); + else + return NULL; +} + static inline struct intel_plane_state * intel_atomic_get_existing_plane_state(struct drm_atomic_state *state, struct intel_plane *plane)