From patchwork Fri May 27 14:31:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 577108 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B3DAC4332F for ; Fri, 27 May 2022 14:32:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353427AbiE0OcQ (ORCPT ); Fri, 27 May 2022 10:32:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353337AbiE0OcG (ORCPT ); Fri, 27 May 2022 10:32:06 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6121D5EBEC; Fri, 27 May 2022 07:32:01 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: benjamin.gaignard) with ESMTPSA id 705371F462C3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1653661920; bh=VxFUVU598sPR+2ba2pJaipyY91RQ+APtAi220RV7Y1c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SSCsL8a3+8+dGcc0Qoyn1ugO8gopvhTyrJmxjVt4QOrA1GzZ0CkebfBG16oDQkSuh lW1/2ev608XnzkxBnk6D2c3x5zMmVb6iWxHD8L2Bb7gw6Ig0fZXO8f1ilYtnSG5xOr 6SdCu3l+jhAgEH6KxK9yDfMXrk1c4IwcW/amH2GnLBxxBS1hqmfpT2POh5CV8wDRt3 QAkGDhjUzhYYNn4XE4dUvCSUd1JEQONShuW0qFf6/vBbZgxioY9AQZJbs0HKtlsRW/ AKVqQZWwYr7DZujMBZqej1iYmF92h++erDqV0gQreLVFdVKaUO2tYBfIMIEYPAjRjp oooFSJb+FB8WQ== 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 v6 14/17] media: hantro: Stop using Hantro dedicated control Date: Fri, 27 May 2022 16:31:31 +0200 Message-Id: <20220527143134.3360174-15-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220527143134.3360174-1-benjamin.gaignard@collabora.com> References: <20220527143134.3360174-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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 b38d9b3ab2ed..377dcc1d19de 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