From patchwork Fri Jun 13 16:08:28 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 4350541 Return-Path: X-Original-To: patchwork-linux-media@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 007959F314 for ; Fri, 13 Jun 2014 16:09:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1BCFA20222 for ; Fri, 13 Jun 2014 16:09:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40854201B9 for ; Fri, 13 Jun 2014 16:09:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753246AbaFMQJX (ORCPT ); Fri, 13 Jun 2014 12:09:23 -0400 Received: from metis.ext.pengutronix.de ([92.198.50.35]:44592 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753208AbaFMQJU (ORCPT ); Fri, 13 Jun 2014 12:09:20 -0400 Received: from client-120-static.hi.pengutronix.de ([10.1.0.120] helo=paszta.pengutronix.de.) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WvU2E-0006dC-UK; Fri, 13 Jun 2014 18:08:58 +0200 From: Philipp Zabel To: linux-media@vger.kernel.org Cc: Mauro Carvalho Chehab , Kamil Debski , Fabio Estevam , kernel@pengutronix.de, Philipp Zabel Subject: [PATCH 02/30] [media] coda: fix readback of CODA_RET_DEC_SEQ_FRAME_NEED Date: Fri, 13 Jun 2014 18:08:28 +0200 Message-Id: <1402675736-15379-3-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1402675736-15379-1-git-send-email-p.zabel@pengutronix.de> References: <1402675736-15379-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.120 X-SA-Exim-Mail-From: p.zabel@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 X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Previously we'd add one to this value, allocating one additional, superfluous internal buffer. Signed-off-by: Philipp Zabel --- drivers/media/platform/coda.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index a69fa3b..453ac4b 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -1889,7 +1889,7 @@ static int coda_start_decoding(struct coda_ctx *ctx) v4l2_dbg(1, coda_debug, &dev->v4l2_dev, "%s instance %d now: %dx%d\n", __func__, ctx->idx, width, height); - ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED) + 1; + ctx->num_internal_frames = coda_read(dev, CODA_RET_DEC_SEQ_FRAME_NEED); if (ctx->num_internal_frames > CODA_MAX_FRAMEBUFFERS) { v4l2_err(&dev->v4l2_dev, "not enough framebuffers to decode (%d < %d)\n",