From patchwork Tue Jun 14 08:36:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 12880715 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 2A36EC43334 for ; Tue, 14 Jun 2022 08:46:30 +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=2LFrrI0dtUh3Lst7LCSqyJgPDEmSj6V6PJkM7EzTcH8=; b=JDTMPvKkZaFBAp buc7Lgkm5/3a0+MiCZ+Ie8t1mkRaaEAZOG+IFn+4hR7L3Hw+oHL8e9Sxwo9Zg4ccyEVj7zJYe3r5N H0KZTsVMNVPgoHWmT/jxRJp2/9OKZL31oxJteXyBRwfJbl86VvQnqigvE8zqK7JlIgD49mZfMpCk7 Mh84Uzvc70kyH5dJ+z9Mm6yA58yTlpoY2ug5kq9Uzgz8TwEfJ9/F+iYFGiI30lpwHG1LDwtDeQXY7 YAbOWC9Q8yjm16kaZW4HTVbmZHWW4sZqHsTwilBzyGUiLyJBcHvRMSsPImvTi6e9Go6+lv31pcIms sQjs1qC5WvGARoEU2kkQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o12Bn-008N6p-B9; Tue, 14 Jun 2022 08:46:19 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o122U-008I7b-1K; Tue, 14 Jun 2022 08:36:51 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:4a7b:8d3a:acaa:ec46]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0E2B166016DE; Tue, 14 Jun 2022 09:36:40 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1655195800; bh=RaIqOdS86jrK18wB+IDAhSAnUu26HB2PzFnjs6CiMNE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eEXaiT3K5h5F3YoGdArJ97+lvXlhtAbeIZqcCKPmEuD6UOpjaaL9qhPARcGjsyWGM SBfVZ9JAZhNAb2kSo0swLtyC98mGk6EmwVCG50yFIPBbcZBw1cPAUpzr6N3m9xo1uf ZVqZzPmBEP6XLxCzG1+zE//8moiRu8676x25fNmqbhx14o70xhIglF/F+1PpRtJ8Ts fsflBVvNfLHTYmzGs2sZ/ixIC2Ah9NA/AnldDHLI1ZmXSKpcK/QhlHrxtpcpeXI+nF aABL1SVDRtLhC2r12uLnGYui1ZF5YmsmCOBlpNT/2+k5H+zCmcuhitvmvlJztwW0OM njaTFHEcjAdDA== From: Benjamin Gaignard To: mchehab@kernel.org, hverkuil@xs4all.nl, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, nicolas.dufresne@collabora.com, andrzej.p@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v8 14/17] media: hantro: Stop using Hantro dedicated control Date: Tue, 14 Jun 2022 10:36:11 +0200 Message-Id: <20220614083614.240641-15-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220614083614.240641-1-benjamin.gaignard@collabora.com> References: <20220614083614.240641-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220614_013642_399523_420E800F X-CRM114-Status: GOOD ( 19.70 ) 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 number of bits to skip in the slice header can be computed in the driver by using sps, pps and decode_params information. This allow to remove Hantro dedicated control. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/hantro/hantro_drv.c | 36 ----------- .../staging/media/hantro/hantro_g2_hevc_dec.c | 62 ++++++++++++++++++- include/media/hevc-ctrls.h | 13 ---- 3 files changed, 61 insertions(+), 50 deletions(-) diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c index 536c8c374952..5aac3a090480 100644 --- a/drivers/staging/media/hantro/hantro_drv.c +++ b/drivers/staging/media/hantro/hantro_drv.c @@ -304,26 +304,6 @@ static int hantro_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) return 0; } -static int hantro_hevc_s_ctrl(struct v4l2_ctrl *ctrl) -{ - struct hantro_ctx *ctx; - - ctx = container_of(ctrl->handler, - struct hantro_ctx, ctrl_handler); - - vpu_debug(1, "s_ctrl: id = %d, val = %d\n", ctrl->id, ctrl->val); - - switch (ctrl->id) { - case V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP: - ctx->hevc_dec.ctrls.hevc_hdr_skip_length = ctrl->val; - break; - default: - return -EINVAL; - } - - return 0; -} - static const struct v4l2_ctrl_ops hantro_ctrl_ops = { .try_ctrl = hantro_try_ctrl, }; @@ -332,10 +312,6 @@ static const struct v4l2_ctrl_ops hantro_jpeg_ctrl_ops = { .s_ctrl = hantro_jpeg_s_ctrl, }; -static const struct v4l2_ctrl_ops hantro_hevc_ctrl_ops = { - .s_ctrl = hantro_hevc_s_ctrl, -}; - #define HANTRO_JPEG_ACTIVE_MARKERS (V4L2_JPEG_ACTIVE_MARKER_APP0 | \ V4L2_JPEG_ACTIVE_MARKER_COM | \ V4L2_JPEG_ACTIVE_MARKER_DQT | \ @@ -487,18 +463,6 @@ static const struct hantro_ctrl controls[] = { .cfg = { .id = V4L2_CID_STATELESS_HEVC_SCALING_MATRIX, }, - }, { - .codec = HANTRO_HEVC_DECODER, - .cfg = { - .id = V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP, - .name = "Hantro HEVC slice header skip bytes", - .type = V4L2_CTRL_TYPE_INTEGER, - .min = 0, - .def = 0, - .max = 0x100, - .step = 1, - .ops = &hantro_hevc_ctrl_ops, - }, }, { .codec = HANTRO_VP9_DECODER, .cfg = { diff --git a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c index d28653d04d20..3be8d6e60bf0 100644 --- a/drivers/staging/media/hantro/hantro_g2_hevc_dec.c +++ b/drivers/staging/media/hantro/hantro_g2_hevc_dec.c @@ -117,6 +117,66 @@ static void prepare_tile_info_buffer(struct hantro_ctx *ctx) vpu_debug(1, "%s: no chroma!\n", __func__); } +static unsigned int ceil_log2(unsigned int v) +{ + /* Compute Ceil(Log2(v)) + * Derived from branchless code for integer log2(v) from: + * + */ + unsigned int r, shift; + + v--; + r = (v > 0xFFFF) << 4; + v >>= r; + shift = (v > 0xFF) << 3; + v >>= shift; + r |= shift; + shift = (v > 0xF) << 2; + v >>= shift; + r |= shift; + shift = (v > 0x3) << 1; + v >>= shift; + r |= shift; + r |= (v >> 1); + + return r + 1; +} + +static int compute_header_skip_lenght(struct hantro_ctx *ctx) +{ + const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; + const struct v4l2_ctrl_hevc_decode_params *decode_params = ctrls->decode_params; + const struct v4l2_ctrl_hevc_sps *sps = ctrls->sps; + const struct v4l2_ctrl_hevc_pps *pps = ctrls->pps; + int skip = 0; + + if (pps->flags & V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT) + /* size of pic_output_flag */ + skip++; + + if (sps->flags & V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE) + /* size of pic_order_cnt_lsb */ + skip += 2; + + if (!(decode_params->flags & V4L2_HEVC_DECODE_PARAM_FLAG_IDR_PIC)) { + /* size of pic_order_cnt_lsb */ + skip += sps->log2_max_pic_order_cnt_lsb_minus4 + 4; + + /* size of short_term_ref_pic_set_sps_flag */ + skip++; + + if (decode_params->short_term_ref_pic_set_size) + /* size of st_ref_pic_set( num_short_term_ref_pic_sets ) */ + skip += decode_params->short_term_ref_pic_set_size; + else if (sps->num_short_term_ref_pic_sets > 1) + skip += ceil_log2(sps->num_short_term_ref_pic_sets); + + skip += decode_params->long_term_ref_pic_set_size; + } + + return skip; +} + static void set_params(struct hantro_ctx *ctx) { const struct hantro_hevc_dec_ctrls *ctrls = &ctx->hevc_dec.ctrls; @@ -134,7 +194,7 @@ static void set_params(struct hantro_ctx *ctx) hantro_reg_write(vpu, &g2_output_8_bits, 0); - hantro_reg_write(vpu, &g2_hdr_skip_length, ctrls->hevc_hdr_skip_length); + hantro_reg_write(vpu, &g2_hdr_skip_length, compute_header_skip_lenght(ctx)); min_log2_cb_size = sps->log2_min_luma_coding_block_size_minus3 + 3; max_log2_ctb_size = min_log2_cb_size + sps->log2_diff_max_min_luma_coding_block_size; diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h index d6cb3779d190..efc0412ac41e 100644 --- a/include/media/hevc-ctrls.h +++ b/include/media/hevc-ctrls.h @@ -467,17 +467,4 @@ struct v4l2_ctrl_hevc_scaling_matrix { __u8 scaling_list_dc_coef_32x32[2]; }; -/* MPEG-class control IDs specific to the Hantro driver as defined by V4L2 */ -#define V4L2_CID_CODEC_HANTRO_BASE (V4L2_CTRL_CLASS_CODEC | 0x1200) -/* - * V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP - - * the number of data (in bits) to skip in the - * slice segment header. - * If non-IDR, the bits to be skipped go from syntax element "pic_output_flag" - * to before syntax element "slice_temporal_mvp_enabled_flag". - * If IDR, the skipped bits are just "pic_output_flag" - * (separate_colour_plane_flag is not supported). - */ -#define V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (V4L2_CID_CODEC_HANTRO_BASE + 0) - #endif