From patchwork Tue Sep 14 09:49:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12492629 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 DC345C433F5 for ; Tue, 14 Sep 2021 09:52:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 94D44604D2 for ; Tue, 14 Sep 2021 09:52:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 94D44604D2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=o4FeY+ee+bZXPPwN0UMuRF7aP4SKQO0eEsjaThlprpM=; b=FqIlNpmRB9q1ls lowZFTvBm0j5jl32jwwDrTWMBkC+SVeW8g/F2GKWQlmlA6bde2RH5ezASAd1CxZ5uUwkTGo92zaf2 6nPsBivY4I9kQRK3nM7RSUFHD4FOY5mx2EvMfySF9u0P+vuEkiPuR7wzdkEFLV/AqFli7BdK9I4/L HKIqm0v2Z+/w1KNx1dwfk2aNY+pzeyjXzI+utihEd/2CDqtgnr2+mbCfuOPKOOQ0od7J4P/8btbNm cpbHDuIrp+vyHkBuj3fA0nQjsZshyD/a5jzq2dL0naC28BKdlsrc1TepsgbCquBDOyfS6uln7uB6Q MUV4eC7gN6ultiAIQ1xA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQ55l-0055Ef-Uf; Tue, 14 Sep 2021 09:51:06 +0000 Received: from [211.20.114.71] (helo=twspam01.aspeedtech.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mQ55i-0055Dl-8K for linux-arm-kernel@lists.infradead.org; Tue, 14 Sep 2021 09:51:03 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 18E9Uefk047557; Tue, 14 Sep 2021 17:30:40 +0800 (GMT-8) (envelope-from jammy_huang@aspeedtech.com) Received: from JammyHuang-PC.aspeed.com (192.168.2.115) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 14 Sep 2021 17:50:30 +0800 From: Jammy Huang To: , , , , , , , , CC: Subject: [PATCH resend] media: aspeed: refine to avoid full jpeg update Date: Tue, 14 Sep 2021 17:49:20 +0800 Message-ID: <20210914094919.3506-1-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [192.168.2.115] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 18E9Uefk047557 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210914_025102_582357_EB6D2F64 X-CRM114-Status: GOOD ( 10.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The switch of jpeg 420/444 subsampling will update full jpeg header for aspeed now. Just update the 420/444 subsampling part of jpeg header is fine. Signed-off-by: Jammy Huang --- resend the patch becuase cc-list isn't complete. drivers/media/platform/aspeed-video.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 3c90f3f3cf14..8b3939b8052d 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -401,6 +401,21 @@ static void aspeed_video_init_jpeg_table(u32 *table, bool yuv420) } } +// just update jpeg dct table per 420/444 +static void aspeed_video_update_jpeg_table(u32 *table, bool yuv420) +{ + int i; + unsigned int base; + + for (i = 0; i < ASPEED_VIDEO_JPEG_NUM_QUALITIES; i++) { + base = 256 * i; /* AST HW requires this header spacing */ + base += ASPEED_VIDEO_JPEG_HEADER_SIZE + + ASPEED_VIDEO_JPEG_DCT_SIZE; + + table[base + 2] = (yuv420) ? 0x00220103 : 0x00110103; + } +} + static void aspeed_video_update(struct aspeed_video *video, u32 reg, u32 clear, u32 bits) { @@ -1274,7 +1289,7 @@ static void aspeed_video_update_jpeg_quality(struct aspeed_video *video) static void aspeed_video_update_subsampling(struct aspeed_video *video) { if (video->jpeg.virt) - aspeed_video_init_jpeg_table(video->jpeg.virt, video->yuv420); + aspeed_video_update_jpeg_table(video->jpeg.virt, video->yuv420); if (video->yuv420) aspeed_video_update(video, VE_SEQ_CTRL, 0, VE_SEQ_CTRL_YUV420);