From patchwork Mon Mar 16 15:26:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Tretter X-Patchwork-Id: 11440593 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 26ACD1668 for ; Mon, 16 Mar 2020 15:26:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 076CC20663 for ; Mon, 16 Mar 2020 15:26:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731790AbgCPP0n (ORCPT ); Mon, 16 Mar 2020 11:26:43 -0400 Received: from metis.ext.pengutronix.de ([85.220.165.71]:54821 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731592AbgCPP0n (ORCPT ); Mon, 16 Mar 2020 11:26:43 -0400 Received: from dude02.hi.pengutronix.de ([2001:67c:670:100:1d::28] helo=dude02.lab.pengutronix.de) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jDrdZ-0000lF-B0; Mon, 16 Mar 2020 16:26:41 +0100 Received: from mtr by dude02.lab.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1jDrdY-000554-Iw; Mon, 16 Mar 2020 16:26:40 +0100 From: Michael Tretter To: linux-media@vger.kernel.org Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, Michael Tretter Subject: [PATCH v2 05/18] media: allegro: start a GOP with an IDR frame Date: Mon, 16 Mar 2020 16:26:25 +0100 Message-Id: <20200316152638.19457-6-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200316152638.19457-1-m.tretter@pengutronix.de> References: <20200316152638.19457-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::28 X-SA-Exim-Mail-From: mtr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-media@vger.kernel.org Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org When creating a channel, freq_idr defines the number of frames between IDR frames in the coded stream. In V4L2, the period between IDR frames shall be taken from the GOP_SIZE control. Set the IDR frame frequency equal to the GOP size and let every GOP start with an IDR frame. Signed-off-by: Michael Tretter --- Changelog: v1 -> v2: None --- drivers/staging/media/allegro-dvt/allegro-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/allegro-dvt/allegro-core.c b/drivers/staging/media/allegro-dvt/allegro-core.c index d67f84bf38d3..cbe79bc216fd 100644 --- a/drivers/staging/media/allegro-dvt/allegro-core.c +++ b/drivers/staging/media/allegro-dvt/allegro-core.c @@ -390,7 +390,7 @@ struct mcu_msg_create_channel { /* gop param */ u32 gop_ctrl_mode; - u32 freq_ird; + u32 freq_idr; u32 freq_lt; u32 gdr_mode; u16 gop_length; @@ -1115,7 +1115,7 @@ static int allegro_mcu_send_create_channel(struct allegro_dev *dev, msg.rate_control_option = 0x00000000; msg.gop_ctrl_mode = 0x00000000; - msg.freq_ird = 0x7fffffff; + msg.freq_idr = channel->gop_size; msg.freq_lt = 0; msg.gdr_mode = 0x00000000; msg.gop_length = channel->gop_size;