From patchwork Tue Oct 21 10:50:43 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dheeraj Jamwal X-Patchwork-Id: 5117561 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B43719F349 for ; Tue, 21 Oct 2014 11:34:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EB2CB20121 for ; Tue, 21 Oct 2014 11:34:54 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2587E2010F for ; Tue, 21 Oct 2014 11:34:54 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 82D7FF57; Tue, 21 Oct 2014 11:05:51 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 0C1C1AFF for ; Tue, 21 Oct 2014 11:05:51 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id B2B2F1FAB2 for ; Tue, 21 Oct 2014 11:05:50 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP; 21 Oct 2014 04:05:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,761,1406617200"; d="scan'208";a="617796208" Received: from ubuntu-desktop.png.intel.com ([10.221.122.25]) by fmsmga002.fm.intel.com with ESMTP; 21 Oct 2014 04:05:49 -0700 From: Dheeraj Jamwal To: ltsi-dev@lists.linuxfoundation.org Date: Tue, 21 Oct 2014 18:50:43 +0800 Message-Id: <1413889294-31328-444-git-send-email-dheerajx.s.jamwal@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413889294-31328-1-git-send-email-dheerajx.s.jamwal@intel.com> References: <1413889294-31328-1-git-send-email-dheerajx.s.jamwal@intel.com> X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org Subject: [LTSI-dev] [PATCH 0443/1094] drm: Make drm_crtc_check_viewport non-static X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matt Roper This function will be used by the universal plane helpers and may also be useful for individual drivers. Signed-off-by: Matt Roper Reviewed-by: Rob Clark (cherry picked from commit af93629d1524dfff7df215b7de692f4de5ee855f) Signed-off-by: Dheeraj Jamwal --- drivers/gpu/drm/drm_crtc.c | 20 +++++++++++++------- include/drm/drm_crtc.h | 4 ++++ 2 files changed, 17 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 1ac315d..3f870d0 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -2186,14 +2186,19 @@ int drm_mode_set_config_internal(struct drm_mode_set *set) } EXPORT_SYMBOL(drm_mode_set_config_internal); -/* - * Checks that the framebuffer is big enough for the CRTC viewport - * (x, y, hdisplay, vdisplay) +/** + * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the + * CRTC viewport + * @crtc: CRTC that framebuffer will be displayed on + * @x: x panning + * @y: y panning + * @mode: mode that framebuffer will be displayed under + * @fb: framebuffer to check size of */ -static int drm_crtc_check_viewport(const struct drm_crtc *crtc, - int x, int y, - const struct drm_display_mode *mode, - const struct drm_framebuffer *fb) +int drm_crtc_check_viewport(const struct drm_crtc *crtc, + int x, int y, + const struct drm_display_mode *mode, + const struct drm_framebuffer *fb) { int hdisplay, vdisplay; @@ -2224,6 +2229,7 @@ static int drm_crtc_check_viewport(const struct drm_crtc *crtc, return 0; } +EXPORT_SYMBOL(drm_crtc_check_viewport); /** * drm_mode_setcrtc - set CRTC configuration diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 3894f85..2765a4e 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -882,6 +882,10 @@ extern int drm_plane_init(struct drm_device *dev, bool priv); extern void drm_plane_cleanup(struct drm_plane *plane); extern void drm_plane_force_disable(struct drm_plane *plane); +extern int drm_crtc_check_viewport(const struct drm_crtc *crtc, + int x, int y, + const struct drm_display_mode *mode, + const struct drm_framebuffer *fb); extern void drm_encoder_cleanup(struct drm_encoder *encoder);