From patchwork Mon Jul 2 11:07:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kumar, Mahesh" X-Patchwork-Id: 10501017 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 33AF260362 for ; Mon, 2 Jul 2018 11:06:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 234AF286F7 for ; Mon, 2 Jul 2018 11:06:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 17A76286FB; Mon, 2 Jul 2018 11:06:27 +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=unavailable 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 CF33A286F7 for ; Mon, 2 Jul 2018 11:06:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 13EBC6E3DD; Mon, 2 Jul 2018 11:05:58 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EC926E3D7; Mon, 2 Jul 2018 11:05:56 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Jul 2018 04:05:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,298,1526367600"; d="scan'208";a="67985476" Received: from unknown (HELO localhost.localdomain) ([10.223.25.241]) by fmsmga004.fm.intel.com with ESMTP; 02 Jul 2018 04:05:54 -0700 From: Mahesh Kumar To: intel-gfx@lists.freedesktop.org Subject: [PATCH 05/10] drm/rcar-du/crc: Implement verify_crc_source callback Date: Mon, 2 Jul 2018 16:37:24 +0530 Message-Id: <20180702110729.8171-6-mahesh1.kumar@intel.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180702110729.8171-1-mahesh1.kumar@intel.com> References: <20180702110729.8171-1-mahesh1.kumar@intel.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mahesh Kumar , dri-devel@lists.freedesktop.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch implements "verify_crc_source" callback function for rcar drm driver. Signed-off-by: Mahesh Kumar Cc: dri-devel@lists.freedesktop.org Reviewed-by: Maarten Lankhorst --- drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 40 ++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 15dc9caa128b..24eeaa7e14d7 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c @@ -756,6 +756,45 @@ static void rcar_du_crtc_disable_vblank(struct drm_crtc *crtc) rcrtc->vblank_enable = false; } +static int rcar_du_crtc_verify_crc_source(struct drm_crtc *crtc, + const char *source_name, + size_t *values_cnt) +{ + struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc); + unsigned int index = 0; + unsigned int i; + int ret; + + /* + * Parse the source name. Supported values are "plane%u" to compute the + * CRC on an input plane (%u is the plane ID), and "auto" to compute the + * CRC on the composer (VSP) output. + */ + if (!source_name || !strcmp(source_name, "auto")) { + goto out; + } else if (strstarts(source_name, "plane")) { + ret = kstrtouint(source_name + strlen("plane"), 10, &index); + if (ret < 0) + return ret; + + for (i = 0; i < rcrtc->vsp->num_planes; ++i) { + if (index == rcrtc->vsp->planes[i].plane.base.id) { + index = i; + break; + } + } + + if (i >= rcrtc->vsp->num_planes) + return -EINVAL; + } else { + return -EINVAL; + } + +out: + *values_cnt = 1; + return 0; +} + static int rcar_du_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name, size_t *values_cnt) @@ -861,6 +900,7 @@ static const struct drm_crtc_funcs crtc_funcs_gen3 = { .enable_vblank = rcar_du_crtc_enable_vblank, .disable_vblank = rcar_du_crtc_disable_vblank, .set_crc_source = rcar_du_crtc_set_crc_source, + .verify_crc_source = rcar_du_crtc_verify_crc_source, }; /* -----------------------------------------------------------------------------