From nobody Sun Oct 5 05:31:37 2025 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5EF631A3167; Fri, 8 Aug 2025 20:03:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754683441; cv=none; b=D1fCmZWIbENGLaaxlLFVQxH4HvOshl/wXSx4NlhBHAUj+Br5TnbRkW5nfg+oiJfqreEFn6VCcmAYeOTupa1JxDAxYvVdBLgF7WExkNaOMuWDXcf5TxbFx1n2d40NMztuj42fZnulCWxHfL8t9ZIJan1Q/tgkOK7RAyLNa+DtinE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754683441; c=relaxed/simple; bh=/RBHrCJkTOCg09NecJQdyuCvEtvLcFT63EnCKlXb21U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mj3Ddy6No5hUCBsh4QBfupqIckVm27X6MDlPu+fsr8PO5zDs/p6lF8p0MsUyhiXKo75TykO5j0Ka+KaSWppuH9PErGQUdkiXiB+K4QKFLiW97XjeO7eBzX3Kgtvu4mohAL5PRHkXiZwe/fPX/u0PsR+XW34Sem0UH7CsbuOpi7A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=RaIRLGXI; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="RaIRLGXI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1754683432; bh=/RBHrCJkTOCg09NecJQdyuCvEtvLcFT63EnCKlXb21U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RaIRLGXIIoV1vx/Zi4FrZPNF0I2e8Iwj+BrdVRhqF9TzLSJu9Y1IbnKFcMbkmWArB KRfPypJ6VwJh7ufF7xlpHlPy46wiiSuBeKOGZr+EFfxEVeZwCI4Cm/lxH+hc/ignJD zd+DrBPRtNZJPgelrvZ+4pdT+LXS546oWf/fPzqnw0J0UZcxawHTnZ4nPA4oKponeC OiZzOzwJJCw1RB9Jd1j6GQLI08t3of2Wd7YewsMqIN0OMikTmcsDHqTpwPsXHmck/r AShEEi58aW3w36brSGmDbO51m0u6M19x77GD+dlPfucb7a/ufyabJ8nLfhC5bz1hKf 3XuJZ6qpaMvuQ== Received: from earth.mtl.collabora.ca (mtl.collabora.ca [66.171.169.34]) (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: detlev) by bali.collaboradmins.com (Postfix) with ESMTPSA id 4C7E917E127B; Fri, 8 Aug 2025 22:03:51 +0200 (CEST) From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Detlev Casanova , Mauro Carvalho Chehab , Heiko Stuebner , linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@collabora.com Subject: [PATCH v2 03/12] media: rkvdec: Use structs to represent the HW RPS Date: Fri, 8 Aug 2025 16:03:25 -0400 Message-ID: <20250808200340.156393-4-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250808200340.156393-1-detlev.casanova@collabora.com> References: <20250808200340.156393-1-detlev.casanova@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This is in preparation to add support for other variants of the decoder. Moving to struct representation is mainly to prepare for multicore support that is present in e.g. rk3588. Signed-off-by: Detlev Casanova --- .../platform/rockchip/rkvdec/rkvdec-h264.c | 97 ++++++++++++++++--- 1 file changed, 86 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c b/drivers= /media/platform/rockchip/rkvdec/rkvdec-h264.c index 15f2378bbc020..3527919aa8ff6 100644 --- a/drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c +++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c @@ -19,7 +19,6 @@ extern const s8 rkvdec_h264_cabac_table[4][464][2]; =20 /* Size with u32 units. */ #define RKV_CABAC_INIT_BUFFER_SIZE (3680 + 128) -#define RKV_RPS_SIZE ((128 + 128) / 4) #define RKV_ERROR_INFO_SIZE (256 * 144 * 4) =20 #define RKVDEC_NUM_REFLIST 3 @@ -34,6 +33,40 @@ struct rkvdec_sps_pps_packet { u32 info[8]; }; =20 +struct rkvdec_rps_entry { + u32 dpb_info0: 5; + u32 bottom_flag0: 1; + u32 view_index_off0: 1; + u32 dpb_info1: 5; + u32 bottom_flag1: 1; + u32 view_index_off1: 1; + u32 dpb_info2: 5; + u32 bottom_flag2: 1; + u32 view_index_off2: 1; + u32 dpb_info3: 5; + u32 bottom_flag3: 1; + u32 view_index_off3: 1; + u32 dpb_info4: 5; + u32 bottom_flag4: 1; + u32 view_index_off4: 1; + u32 dpb_info5: 5; + u32 bottom_flag5: 1; + u32 view_index_off5: 1; + u32 dpb_info6: 5; + u32 bottom_flag6: 1; + u32 view_index_off6: 1; + u32 dpb_info7: 5; + u32 bottom_flag7: 1; + u32 view_index_off7: 1; +} __packed; + +struct rkvdec_rps { + u16 frame_num[16]; + u32 reserved0; + struct rkvdec_rps_entry entries[12]; + u32 reserved1[66]; +} __packed; + struct rkvdec_ps_field { u16 offset; u8 len; @@ -94,7 +127,7 @@ struct rkvdec_ps_field { struct rkvdec_h264_priv_tbl { s8 cabac_table[4][464][2]; struct rkvdec_h264_scaling_list scaling_list; - u32 rps[RKV_RPS_SIZE]; + struct rkvdec_rps rps; struct rkvdec_sps_pps_packet param_set[256]; u8 err_info[RKV_ERROR_INFO_SIZE]; }; @@ -260,20 +293,64 @@ static void lookup_ref_buf_idx(struct rkvdec_ctx *ctx, } } =20 +static void set_dpb_info(struct rkvdec_rps_entry *entries, + u8 reflist, + u8 refnum, + u8 info, + bool bottom) +{ + struct rkvdec_rps_entry *entry =3D &entries[(reflist * 4) + refnum / 8]; + u8 idx =3D refnum % 8; + + switch (idx) { + case 0: + entry->dpb_info0 =3D info; + entry->bottom_flag0 =3D bottom; + break; + case 1: + entry->dpb_info1 =3D info; + entry->bottom_flag1 =3D bottom; + break; + case 2: + entry->dpb_info2 =3D info; + entry->bottom_flag2 =3D bottom; + break; + case 3: + entry->dpb_info3 =3D info; + entry->bottom_flag3 =3D bottom; + break; + case 4: + entry->dpb_info4 =3D info; + entry->bottom_flag4 =3D bottom; + break; + case 5: + entry->dpb_info5 =3D info; + entry->bottom_flag5 =3D bottom; + break; + case 6: + entry->dpb_info6 =3D info; + entry->bottom_flag6 =3D bottom; + break; + case 7: + entry->dpb_info7 =3D info; + entry->bottom_flag7 =3D bottom; + break; + } +} + static void assemble_hw_rps(struct rkvdec_ctx *ctx, - struct v4l2_h264_reflist_builder *builder, - struct rkvdec_h264_run *run) + struct v4l2_h264_reflist_builder *builder, + struct rkvdec_h264_run *run) { const struct v4l2_ctrl_h264_decode_params *dec_params =3D run->decode_par= ams; const struct v4l2_h264_dpb_entry *dpb =3D dec_params->dpb; struct rkvdec_h264_ctx *h264_ctx =3D ctx->priv; struct rkvdec_h264_priv_tbl *priv_tbl =3D h264_ctx->priv_tbl.cpu; =20 - u32 *hw_rps =3D priv_tbl->rps; + struct rkvdec_rps *hw_rps =3D &priv_tbl->rps; u32 i, j; - u16 *p =3D (u16 *)hw_rps; =20 - memset(hw_rps, 0, sizeof(priv_tbl->rps)); + memset(hw_rps, 0, sizeof(*hw_rps)); =20 /* * Assign an invalid pic_num if DPB entry at that position is inactive. @@ -285,7 +362,7 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx, if (!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) continue; =20 - p[i] =3D builder->refs[i].frame_num; + hw_rps->frame_num[i] =3D builder->refs[i].frame_num; } =20 for (j =3D 0; j < RKVDEC_NUM_REFLIST; j++) { @@ -312,9 +389,7 @@ static void assemble_hw_rps(struct rkvdec_ctx *ctx, dpb_valid =3D run->ref_buf[ref->index] !=3D NULL; bottom =3D ref->fields =3D=3D V4L2_H264_BOTTOM_FIELD_REF; =20 - set_ps_field(hw_rps, DPB_INFO(i, j), - ref->index | dpb_valid << 4); - set_ps_field(hw_rps, BOTTOM_FLAG(i, j), bottom); + set_dpb_info(hw_rps->entries, j, i, ref->index | (dpb_valid << 4), bott= om); } } } --=20 2.50.1