From patchwork Thu Mar 31 19:37:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Dufresne X-Patchwork-Id: 12797627 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 A391BC433FE for ; Thu, 31 Mar 2022 19:38:10 +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=swqwQV628uRgS0qXS4tnkdARRDMbRqcEk0v/ZUVWv88=; b=vOl7lNoftvcYCf ZggrTRhlNhk8ZE+4tB3V0lSnazeTGvocPCirnmdBLieQthw/+gSWgoFH1zUH95NuEfkoaQgcaFzD0 JjEgVlPwZTR60gfe0CTISQhO4u0XrUx7Ba6up+ouK4jbI+mosGRH1HQ3lC92nTHurrN25uqEFmpuE nvztu873Ey6T9FaoY/mL6/HhDx1efX9RLy6IgWvcsN7Rbll85CeE0YGIVhWdVZ2fp+oY+luCPBwa5 ucmfoMhJEgQnhS7ev4DE64mVp9vkXCHO2zauNB13c47vQ0Lx9E9lagDeeL15I3POH8W5ruIu+SxqV rV1DGgZH/K4jvU0LIjDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1na0cQ-003RQL-GI; Thu, 31 Mar 2022 19:38:06 +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 1na0cF-003RHk-Ue for linux-rockchip@lists.infradead.org; Thu, 31 Mar 2022 19:37:57 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: nicolas) with ESMTPSA id A363D1F47259 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1648755474; bh=3kRlflMZKylSksBlTGyBHGjQWwONuPlHkkyiaE6iWjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mBFH7UXO/BWTgn0mge7OZnNiQGKEOEaL6P/pQiX4Ig4krhPmp8vindah+nakwuOEm g+w5iw0mm/dh9cG9ldqAZkBPPHwfVAHf7eghaXlkbDB6P9WzjNNvhoYlIYATxTyi// yhDiFcfMo4iNJQxxm2trUN8PC3/l1iP/Xhw2Duv345c9/sMRSg2T34tFM0w7CgIEeF guIual9HLdo8qKc2EEpkdNbPxMhPeGJk6GPHvXfvEzkfI7+jhlVQ9fh2XOEh+wj11x W2OX0h/f8jGe+PUhf2bK2h490khW4JkfIbzcWNqsNXNdNRRiZw1EnafTLN76t5F6sv JFZMjSWr1QZwg== From: Nicolas Dufresne To: Ezequiel Garcia , Mauro Carvalho Chehab , Greg Kroah-Hartman Cc: kernel@collabora.com, Sebastian Fricke , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v2 13/23] media: rkvdec: h264: Fix dpb_valid implementation Date: Thu, 31 Mar 2022 15:37:15 -0400 Message-Id: <20220331193726.289559-14-nicolas.dufresne@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220331193726.289559-1-nicolas.dufresne@collabora.com> References: <20220331193726.289559-1-nicolas.dufresne@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220331_123756_183864_BF4B0A72 X-CRM114-Status: GOOD ( 17.39 ) 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 The ref builder only provided references that are marked as valid in the dpb. Thus the current implementation of dpb_valid would always set the flag to 1. This is not representing missing frames (this is called 'non-existing' pictures in the spec). In some context, these non-existing pictures still need to occupy a slot in the reference list according to the spec. Signed-off-by: Nicolas Dufresne Reviewed-by: Sebastian Fricke Reviewed-by: Ezequiel Garcia --- drivers/staging/media/rkvdec/rkvdec-h264.c | 33 ++++++++++++++++------ 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c index dff89732ddd0..bcde37d72244 100644 --- a/drivers/staging/media/rkvdec/rkvdec-h264.c +++ b/drivers/staging/media/rkvdec/rkvdec-h264.c @@ -112,6 +112,7 @@ struct rkvdec_h264_run { const struct v4l2_ctrl_h264_sps *sps; const struct v4l2_ctrl_h264_pps *pps; const struct v4l2_ctrl_h264_scaling_matrix *scaling_matrix; + int ref_buf_idx[V4L2_H264_NUM_DPB_ENTRIES]; }; struct rkvdec_h264_ctx { @@ -725,6 +726,26 @@ static void assemble_hw_pps(struct rkvdec_ctx *ctx, } } +static void lookup_ref_buf_idx(struct rkvdec_ctx *ctx, + struct rkvdec_h264_run *run) +{ + const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params; + u32 i; + + for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) { + struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx; + const struct v4l2_h264_dpb_entry *dpb = run->decode_params->dpb; + struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q; + int buf_idx = -1; + + if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE) + buf_idx = vb2_find_timestamp(cap_q, + dpb[i].reference_ts, 0); + + run->ref_buf_idx[i] = buf_idx; + } +} + static void assemble_hw_rps(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run) { @@ -762,7 +783,7 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx, for (j = 0; j < RKVDEC_NUM_REFLIST; j++) { for (i = 0; i < h264_ctx->reflists.num_valid; i++) { - u8 dpb_valid = 0; + bool dpb_valid = run->ref_buf_idx[i] >= 0; u8 idx = 0; switch (j) { @@ -779,8 +800,6 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx, if (idx >= ARRAY_SIZE(dec_params->dpb)) continue; - dpb_valid = !!(dpb[idx].flags & - V4L2_H264_DPB_ENTRY_FLAG_ACTIVE); set_ps_field(hw_rps, DPB_INFO(i, j), idx | dpb_valid << 4); @@ -859,13 +878,8 @@ get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run, unsigned int dpb_idx) { struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx; - const struct v4l2_h264_dpb_entry *dpb = run->decode_params->dpb; struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q; - int buf_idx = -1; - - if (dpb[dpb_idx].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE) - buf_idx = vb2_find_timestamp(cap_q, - dpb[dpb_idx].reference_ts, 0); + int buf_idx = run->ref_buf_idx[dpb_idx]; /* * If a DPB entry is unused or invalid, address of current destination @@ -1102,6 +1116,7 @@ static int rkvdec_h264_run(struct rkvdec_ctx *ctx) assemble_hw_scaling_list(ctx, &run); assemble_hw_pps(ctx, &run); + lookup_ref_buf_idx(ctx, &run); assemble_hw_rps(ctx, &run); config_registers(ctx, &run);