From patchwork Tue Apr 20 12:04:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 425504 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64211C4360C for ; Tue, 20 Apr 2021 12:05:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 27EB5613C2 for ; Tue, 20 Apr 2021 12:05:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232278AbhDTMGH (ORCPT ); Tue, 20 Apr 2021 08:06:07 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:57972 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232226AbhDTMGF (ORCPT ); Tue, 20 Apr 2021 08:06:05 -0400 Received: from deskari.lan (91-157-208-71.elisa-laajakaista.fi [91.157.208.71]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 765451172; Tue, 20 Apr 2021 14:05:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1618920334; bh=JMqTxdqAEL5s0SuX1mVd1lO4f5hjG2E5UIlIIW4lpA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pPcrqbZM6p8Af21NX2YQAdMsyg+5EAZezTIZBGse1GWubp8ye4MEQOBV+gjR9gfuy iTLBLeBnq3gyv2RPDfMbHSpMubEwO7aycBiez5yYsa7O0kfkYkcE84SW3sg/Z6Js1D 14WM1HYGIn/OvdBnxEV80i9SE2QuO2qRZOoM/G/k= From: Tomi Valkeinen To: Benoit Parrot , Laurent Pinchart , Pratyush Yadav , Lokesh Vutla , linux-media@vger.kernel.org Cc: Tomi Valkeinen Subject: [PATCH v2 32/35] media: ti-vpe: cal: use CSI-2 frame number Date: Tue, 20 Apr 2021 15:04:30 +0300 Message-Id: <20210420120433.902394-33-tomi.valkeinen@ideasonboard.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210420120433.902394-1-tomi.valkeinen@ideasonboard.com> References: <20210420120433.902394-1-tomi.valkeinen@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The driver fills buf->vb.sequence with an increasing number which is incremented by the driver. This feels a bit pointless, as the userspace could as well track that kind of number itself. Instead, lets use the frame number provided in the CSI-2 data from the sensor. Signed-off-by: Tomi Valkeinen --- drivers/media/platform/ti-vpe/cal.c | 7 +++++-- drivers/media/platform/ti-vpe/cal.h | 1 - 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c index 888706187fd1..62c45add4efe 100644 --- a/drivers/media/platform/ti-vpe/cal.c +++ b/drivers/media/platform/ti-vpe/cal.c @@ -493,7 +493,6 @@ void cal_ctx_unprepare(struct cal_ctx *ctx) void cal_ctx_start(struct cal_ctx *ctx) { - ctx->sequence = 0; ctx->dma.state = CAL_DMA_RUNNING; /* Configure the CSI-2, pixel processing and write DMA contexts. */ @@ -586,6 +585,10 @@ static inline void cal_irq_wdma_start(struct cal_ctx *ctx) static inline void cal_irq_wdma_end(struct cal_ctx *ctx) { struct cal_buffer *buf = NULL; + u32 frame_num; + + frame_num = cal_read(ctx->cal, CAL_CSI2_STATUS(ctx->phy->instance, + ctx->csi2_ctx)) & 0xffff; spin_lock(&ctx->dma.lock); @@ -607,7 +610,7 @@ static inline void cal_irq_wdma_end(struct cal_ctx *ctx) if (buf) { buf->vb.vb2_buf.timestamp = ktime_get_ns(); buf->vb.field = ctx->v_fmt.fmt.pix.field; - buf->vb.sequence = ctx->sequence++; + buf->vb.sequence = frame_num; vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); } } diff --git a/drivers/media/platform/ti-vpe/cal.h b/drivers/media/platform/ti-vpe/cal.h index 400f95485d7c..ad08c189ad3b 100644 --- a/drivers/media/platform/ti-vpe/cal.h +++ b/drivers/media/platform/ti-vpe/cal.h @@ -217,7 +217,6 @@ struct cal_ctx { const struct cal_format_info **active_fmt; unsigned int num_active_fmt; - unsigned int sequence; struct vb2_queue vb_vidq; u8 dma_ctx; u8 cport;