From patchwork Thu Sep 15 13:41:39 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien DESSENNE X-Patchwork-Id: 9333663 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 7C548601C2 for ; Thu, 15 Sep 2016 13:43:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 69E25297AF for ; Thu, 15 Sep 2016 13:43:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5EA84297B2; Thu, 15 Sep 2016 13:43:29 +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 8BECF297AF for ; Thu, 15 Sep 2016 13:43:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A9766E88E; Thu, 15 Sep 2016 13:43:25 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id E569F6E175 for ; Thu, 15 Sep 2016 13:42:29 +0000 (UTC) Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u8FDfHlu011411; Thu, 15 Sep 2016 15:42:26 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 25c7a558ce-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 15 Sep 2016 15:42:26 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 9B9AD31; Thu, 15 Sep 2016 13:42:25 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas22.st.com [10.75.90.92]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 821C92B5E; Thu, 15 Sep 2016 13:42:25 +0000 (GMT) Received: from localhost (10.251.17.108) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.279.2; Thu, 15 Sep 2016 15:42:25 +0200 From: Fabien Dessenne To: Subject: [PATCH 2/8] drm/sti: run hqvdp init sequence only once Date: Thu, 15 Sep 2016 15:41:39 +0200 Message-ID: <1473946905-4374-3-git-send-email-fabien.dessenne@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1473946905-4374-1-git-send-email-fabien.dessenne@st.com> References: <1473946905-4374-1-git-send-email-fabien.dessenne@st.com> MIME-Version: 1.0 X-Originating-IP: [10.251.17.108] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-15_08:, , signatures=0 Cc: Vincent Abriou , kernel@stlinux.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Do not rely on plane->status to define whether this is the first update but rather check for hqvdp->xp70_initialized bit status. This avoids multiple and unwanted calls to sti_vtg_register_client() which breaks the kernel scheduler. Signed-off-by: Fabien Dessenne Acked-by: Vincent Abriou --- drivers/gpu/drm/sti/sti_hqvdp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index b5ee783..a222b2e 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -770,6 +770,7 @@ static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) DRM_ERROR("XP70 could not revert to idle\n"); hqvdp->plane.status = STI_PLANE_DISABLED; + hqvdp->xp70_initialized = false; } /** @@ -1012,7 +1013,6 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); struct drm_crtc *crtc = state->crtc; struct drm_framebuffer *fb = state->fb; - bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; struct drm_crtc_state *crtc_state; struct drm_display_mode *mode; int dst_x, dst_y, dst_w, dst_h; @@ -1063,7 +1063,7 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, return -EINVAL; } - if (first_prepare) { + if (!hqvdp->xp70_initialized) { /* Start HQVDP XP70 coprocessor */ sti_hqvdp_start_xp70(hqvdp);