From patchwork Fri May 13 20:29:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dufresne X-Patchwork-Id: 12849478 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 08C9FC433EF for ; Fri, 13 May 2022 20:41:35 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=KCIkti282G2Q0TdlxEKT4CDukgu8HdsVG+nozX8ASTo=; b=IrwxkFN+nsXO9S RDSSkRQDKRZru7VWyP368Xbanox4pcmNHAOpQm0BIrFZIfoNc6myHRpCWdg5RWNVSgSUn0Kzsk6qQ /ITdCynG+4S914ZVMWFqtkf5tRY7DglyvU4EqcpZXoNaxrngeJL4dxFSGdqhB++JhNOhjpULYOeFU qWq6QWV+GX99oM6FsOImDMJ8zpYRDAFzh3FAQxenSxNXooA+ukOLWaCVlBe6C0zNcI01G45flFpUk aCyK4IjlCCMtNX2bdc20oRxbnhMItoNIG9QsD0H3n8RNGxmYPLb8/0Qs/tGFijIu1CCG6+4b7g2cQ 5BpJaJBLaVyrz6hM4jBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1npc67-00HaG9-O4; Fri, 13 May 2022 20:41:16 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1npbvK-00HVP7-Nq for linux-rockchip@lists.infradead.org; Fri, 13 May 2022 20:30:11 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id 047D41F4648F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1652473805; bh=v1JZAts5kOJok04nYryeXLmZ+bVQm+vS+8ZHy3WqOLI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kJL4NSPR0h0kk5EdUKp4jVtaHAKbXWhSkRC4UrsM0mrxjvkff2gcKuJGbZxai5zgM yS/DrK5x3WIMebABA23xBsP8US+Gk5zkkWCSoHzqeSReNtdwKKMF8HF8VyVjW+/K6Y 1+GMqBnkLl1QpBQRs/oXwfD4sXzvnZ9oFax4e9cGZi3p3Tlwb48U5V8Lvq0GXGiQPc zAJr77j9ThTH2+ZcwHlFbFntQ9C0mIk4DfBGh9NIt1XxsoPL81tvgQ9MRLx2rQyPSD +A6tzvVcsU641c20bXdX5fzZ613S5icZKp1pmYO8sOvtgtmChaYJMFIAmaSVMJcqp7 EnsoVvLhu4yHA== From: Nicolas Dufresne To: Ezequiel Garcia , Philipp Zabel , Mauro Carvalho Chehab , Greg Kroah-Hartman Cc: nicolas@ndufresne.ca, Jonas Karlman , linux-media@vger.kernel.org, Hans Verkuil , linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v5 18/20] media: hantro: h264: Make dpb entry management more robust Date: Fri, 13 May 2022 16:29:20 -0400 Message-Id: <20220513202922.13846-19-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.3 In-Reply-To: <20220513202922.13846-1-nicolas.dufresne@collabora.com> References: <20220513202922.13846-1-nicolas.dufresne@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220513_133007_025403_7F2C5635 X-CRM114-Status: GOOD ( 12.41 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Jonas Karlman The driver maintains stable slot locations for reference pictures. This change makes the code more robust by using the reference_ts as key and by marking all entries invalid right from the start. Signed-off-by: Jonas Karlman Signed-off-by: Nicolas Dufresne Signed-off-by: Hans Verkuil --- drivers/staging/media/hantro/hantro_h264.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_h264.c b/drivers/staging/media/hantro/hantro_h264.c index 228629fb3cdf..7377fc26f780 100644 --- a/drivers/staging/media/hantro/hantro_h264.c +++ b/drivers/staging/media/hantro/hantro_h264.c @@ -258,8 +258,7 @@ static void prepare_table(struct hantro_ctx *ctx) static bool dpb_entry_match(const struct v4l2_h264_dpb_entry *a, const struct v4l2_h264_dpb_entry *b) { - return a->top_field_order_cnt == b->top_field_order_cnt && - a->bottom_field_order_cnt == b->bottom_field_order_cnt; + return a->reference_ts == b->reference_ts; } static void update_dpb(struct hantro_ctx *ctx) @@ -273,13 +272,13 @@ static void update_dpb(struct hantro_ctx *ctx) /* Disable all entries by default. */ for (i = 0; i < ARRAY_SIZE(ctx->h264_dec.dpb); i++) - ctx->h264_dec.dpb[i].flags &= ~V4L2_H264_DPB_ENTRY_FLAG_ACTIVE; + ctx->h264_dec.dpb[i].flags = 0; /* Try to match new DPB entries with existing ones by their POCs. */ for (i = 0; i < ARRAY_SIZE(dec_param->dpb); i++) { const struct v4l2_h264_dpb_entry *ndpb = &dec_param->dpb[i]; - if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) + if (!(ndpb->flags & V4L2_H264_DPB_ENTRY_FLAG_VALID)) continue; /* @@ -290,8 +289,7 @@ static void update_dpb(struct hantro_ctx *ctx) struct v4l2_h264_dpb_entry *cdpb; cdpb = &ctx->h264_dec.dpb[j]; - if (cdpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE || - !dpb_entry_match(cdpb, ndpb)) + if (!dpb_entry_match(cdpb, ndpb)) continue; *cdpb = *ndpb;