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Message-ID: <20251218232829.337811-16-detlev.casanova@collabora.com>
Date: Thu, 18 Dec 2025 18:28:25 -0500
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
	Heiko Stuebner <heiko@...ech.de>,
	Daniel Almeida <daniel.almeida@...labora.com>,
	Jonathan Corbet <corbet@....net>,
	Ricardo Ribalda <ribalda@...omium.org>,
	Hans Verkuil <hverkuil@...nel.org>,
	Yunke Cao <yunkec@...gle.com>,
	Hans de Goede <hansg@...nel.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Nicolas Dufresne <nicolas.dufresne@...labora.com>,
	Pavan Bobba <opensource206@...il.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	James Cowgill <james.cowgill@...ize.com>,
	linux-media@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	kernel@...labora.com,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH v7 15/17] media: rkvdec: Add H264 support for the VDPU383 variant

This variant is used on the RK3576 SoC.

The moving vectors size requirements are slightly different so support
for a colmv_size function per variant is added.

Also, the link registers are used to start the decoder and read IRQ status.

The fluster score is 128/135 for JVT-AVC_V1, with MPS_MW_A failing in
addition to the usual ones.
The other test suites are not supported yet.

Reviewed-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
---
 .../media/platform/rockchip/rkvdec/Makefile   |   1 +
 .../rockchip/rkvdec/rkvdec-vdpu383-h264.c     | 578 ++++++++++++++++++
 .../rockchip/rkvdec/rkvdec-vdpu383-regs.h     | 281 +++++++++
 .../media/platform/rockchip/rkvdec/rkvdec.c   | 105 +++-
 .../media/platform/rockchip/rkvdec/rkvdec.h   |   5 +
 5 files changed, 965 insertions(+), 5 deletions(-)
 create mode 100644 drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c
 create mode 100644 drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-regs.h

diff --git a/drivers/media/platform/rockchip/rkvdec/Makefile b/drivers/media/platform/rockchip/rkvdec/Makefile
index 7bfd95151e404..a58d4aede2fea 100644
--- a/drivers/media/platform/rockchip/rkvdec/Makefile
+++ b/drivers/media/platform/rockchip/rkvdec/Makefile
@@ -9,4 +9,5 @@ rockchip-vdec-y += \
 		   rkvdec-hevc-common.o \
 		   rkvdec-rcb.o \
 		   rkvdec-vdpu381-h264.o \
+		   rkvdec-vdpu383-h264.o \
 		   rkvdec-vp9.o
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c b/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c
new file mode 100644
index 0000000000000..cc5a41bba81cc
--- /dev/null
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c
@@ -0,0 +1,578 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip Video Decoder VDPU383 H264 backend
+ *
+ * Copyright (C) 2024 Collabora, Ltd.
+ *  Detlev Casanova <detlev.casanova@...labora.com>
+ */
+
+#include <media/v4l2-h264.h>
+#include <media/v4l2-mem2mem.h>
+
+#include <linux/iopoll.h>
+
+#include "rkvdec-rcb.h"
+#include "rkvdec-vdpu383-regs.h"
+#include "rkvdec-h264-common.h"
+
+struct rkvdec_sps {
+	u16 seq_parameter_set_id:			4;
+	u16 profile_idc:				8;
+	u16 constraint_set3_flag:			1;
+	u16 chroma_format_idc:				2;
+	u16 bit_depth_luma:				3;
+	u16 bit_depth_chroma:				3;
+	u16 qpprime_y_zero_transform_bypass_flag:	1;
+	u16 log2_max_frame_num_minus4:			4;
+	u16 max_num_ref_frames:				5;
+	u16 pic_order_cnt_type:				2;
+	u16 log2_max_pic_order_cnt_lsb_minus4:		4;
+	u16 delta_pic_order_always_zero_flag:		1;
+
+	u16 pic_width_in_mbs:				16;
+	u16 pic_height_in_mbs:				16;
+
+	u16 frame_mbs_only_flag:			1;
+	u16 mb_adaptive_frame_field_flag:		1;
+	u16 direct_8x8_inference_flag:			1;
+	u16 mvc_extension_enable:			1;
+	u16 num_views:					2;
+	u16 view_id0:                                   10;
+	u16 view_id1:                                   10;
+} __packed;
+
+struct rkvdec_pps {
+	u32 pic_parameter_set_id:				8;
+	u32 pps_seq_parameter_set_id:				5;
+	u32 entropy_coding_mode_flag:				1;
+	u32 bottom_field_pic_order_in_frame_present_flag:	1;
+	u32 num_ref_idx_l0_default_active_minus1:		5;
+	u32 num_ref_idx_l1_default_active_minus1:		5;
+	u32 weighted_pred_flag:					1;
+	u32 weighted_bipred_idc:				2;
+	u32 pic_init_qp_minus26:				7;
+	u32 pic_init_qs_minus26:				6;
+	u32 chroma_qp_index_offset:				5;
+	u32 deblocking_filter_control_present_flag:		1;
+	u32 constrained_intra_pred_flag:			1;
+	u32 redundant_pic_cnt_present:				1;
+	u32 transform_8x8_mode_flag:				1;
+	u32 second_chroma_qp_index_offset:			5;
+	u32 scaling_list_enable_flag:				1;
+	u32 is_longterm:					16;
+	u32 voidx:						16;
+
+	// dpb
+	u32 pic_field_flag:                                     1;
+	u32 pic_associated_flag:                                1;
+	u32 cur_top_field:					32;
+	u32 cur_bot_field:					32;
+
+	u32 top_field_order_cnt0:				32;
+	u32 bot_field_order_cnt0:				32;
+	u32 top_field_order_cnt1:				32;
+	u32 bot_field_order_cnt1:				32;
+	u32 top_field_order_cnt2:				32;
+	u32 bot_field_order_cnt2:				32;
+	u32 top_field_order_cnt3:				32;
+	u32 bot_field_order_cnt3:				32;
+	u32 top_field_order_cnt4:				32;
+	u32 bot_field_order_cnt4:				32;
+	u32 top_field_order_cnt5:				32;
+	u32 bot_field_order_cnt5:				32;
+	u32 top_field_order_cnt6:				32;
+	u32 bot_field_order_cnt6:				32;
+	u32 top_field_order_cnt7:				32;
+	u32 bot_field_order_cnt7:				32;
+	u32 top_field_order_cnt8:				32;
+	u32 bot_field_order_cnt8:				32;
+	u32 top_field_order_cnt9:				32;
+	u32 bot_field_order_cnt9:				32;
+	u32 top_field_order_cnt10:				32;
+	u32 bot_field_order_cnt10:				32;
+	u32 top_field_order_cnt11:				32;
+	u32 bot_field_order_cnt11:				32;
+	u32 top_field_order_cnt12:				32;
+	u32 bot_field_order_cnt12:				32;
+	u32 top_field_order_cnt13:				32;
+	u32 bot_field_order_cnt13:				32;
+	u32 top_field_order_cnt14:				32;
+	u32 bot_field_order_cnt14:				32;
+	u32 top_field_order_cnt15:				32;
+	u32 bot_field_order_cnt15:				32;
+
+	u32 ref_field_flags:					16;
+	u32 ref_topfield_used:					16;
+	u32 ref_botfield_used:					16;
+	u32 ref_colmv_use_flag:					16;
+
+	u32 reserved0:						30;
+	u32 reserved[3];
+} __packed;
+
+struct rkvdec_sps_pps {
+	struct rkvdec_sps sps;
+	struct rkvdec_pps pps;
+} __packed;
+
+/* Data structure describing auxiliary buffer format. */
+struct rkvdec_h264_priv_tbl {
+	s8 cabac_table[4][464][2];
+	struct rkvdec_h264_scaling_list scaling_list;
+	struct rkvdec_sps_pps param_set[256];
+	struct rkvdec_rps rps;
+} __packed;
+
+struct rkvdec_h264_ctx {
+	struct rkvdec_aux_buf priv_tbl;
+	struct rkvdec_h264_reflists reflists;
+	struct vdpu383_regs_h26x regs;
+};
+
+static void set_field_order_cnt(struct rkvdec_sps_pps *hw_ps, int id, u32 top, u32 bottom)
+{
+	switch (id) {
+	case 0:
+		hw_ps->pps.top_field_order_cnt0 = top;
+		hw_ps->pps.bot_field_order_cnt0 = bottom;
+		break;
+	case 1:
+		hw_ps->pps.top_field_order_cnt1 = top;
+		hw_ps->pps.bot_field_order_cnt1 = bottom;
+		break;
+	case 2:
+		hw_ps->pps.top_field_order_cnt2 = top;
+		hw_ps->pps.bot_field_order_cnt2 = bottom;
+		break;
+	case 3:
+		hw_ps->pps.top_field_order_cnt3 = top;
+		hw_ps->pps.bot_field_order_cnt3 = bottom;
+		break;
+	case 4:
+		hw_ps->pps.top_field_order_cnt4 = top;
+		hw_ps->pps.bot_field_order_cnt4 = bottom;
+		break;
+	case 5:
+		hw_ps->pps.top_field_order_cnt5 = top;
+		hw_ps->pps.bot_field_order_cnt5 = bottom;
+		break;
+	case 6:
+		hw_ps->pps.top_field_order_cnt6 = top;
+		hw_ps->pps.bot_field_order_cnt6 = bottom;
+		break;
+	case 7:
+		hw_ps->pps.top_field_order_cnt7 = top;
+		hw_ps->pps.bot_field_order_cnt7 = bottom;
+		break;
+	case 8:
+		hw_ps->pps.top_field_order_cnt8 = top;
+		hw_ps->pps.bot_field_order_cnt8 = bottom;
+		break;
+	case 9:
+		hw_ps->pps.top_field_order_cnt9 = top;
+		hw_ps->pps.bot_field_order_cnt9 = bottom;
+		break;
+	case 10:
+		hw_ps->pps.top_field_order_cnt10 = top;
+		hw_ps->pps.bot_field_order_cnt10 = bottom;
+		break;
+	case 11:
+		hw_ps->pps.top_field_order_cnt11 = top;
+		hw_ps->pps.bot_field_order_cnt11 = bottom;
+		break;
+	case 12:
+		hw_ps->pps.top_field_order_cnt12 = top;
+		hw_ps->pps.bot_field_order_cnt12 = bottom;
+		break;
+	case 13:
+		hw_ps->pps.top_field_order_cnt13 = top;
+		hw_ps->pps.bot_field_order_cnt13 = bottom;
+		break;
+	case 14:
+		hw_ps->pps.top_field_order_cnt14 = top;
+		hw_ps->pps.bot_field_order_cnt14 = bottom;
+		break;
+	case 15:
+		hw_ps->pps.top_field_order_cnt15 = top;
+		hw_ps->pps.bot_field_order_cnt15 = bottom;
+		break;
+	}
+}
+
+static void assemble_hw_pps(struct rkvdec_ctx *ctx,
+			    struct rkvdec_h264_run *run)
+{
+	struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+	const struct v4l2_ctrl_h264_sps *sps = run->sps;
+	const struct v4l2_ctrl_h264_pps *pps = run->pps;
+	const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
+	const struct v4l2_h264_dpb_entry *dpb = dec_params->dpb;
+	struct rkvdec_h264_priv_tbl *priv_tbl = h264_ctx->priv_tbl.cpu;
+	struct rkvdec_sps_pps *hw_ps;
+	u32 pic_width, pic_height;
+	u32 i;
+
+	/*
+	 * HW read the SPS/PPS information from PPS packet index by PPS id.
+	 * offset from the base can be calculated by PPS_id * 32 (size per PPS
+	 * packet unit). so the driver copy SPS/PPS information to the exact PPS
+	 * packet unit for HW accessing.
+	 */
+	hw_ps = &priv_tbl->param_set[pps->pic_parameter_set_id];
+	memset(hw_ps, 0, sizeof(*hw_ps));
+
+	/* write sps */
+	hw_ps->sps.seq_parameter_set_id = sps->seq_parameter_set_id;
+	hw_ps->sps.profile_idc = sps->profile_idc;
+	hw_ps->sps.constraint_set3_flag = !!(sps->constraint_set_flags & (1 << 3));
+	hw_ps->sps.chroma_format_idc = sps->chroma_format_idc;
+	hw_ps->sps.bit_depth_luma = sps->bit_depth_luma_minus8;
+	hw_ps->sps.bit_depth_chroma = sps->bit_depth_chroma_minus8;
+	hw_ps->sps.qpprime_y_zero_transform_bypass_flag =
+		!!(sps->flags & V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS);
+	hw_ps->sps.log2_max_frame_num_minus4 = sps->log2_max_frame_num_minus4;
+	hw_ps->sps.max_num_ref_frames = sps->max_num_ref_frames;
+	hw_ps->sps.pic_order_cnt_type = sps->pic_order_cnt_type;
+	hw_ps->sps.log2_max_pic_order_cnt_lsb_minus4 =
+		sps->log2_max_pic_order_cnt_lsb_minus4;
+	hw_ps->sps.delta_pic_order_always_zero_flag =
+		!!(sps->flags & V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO);
+	hw_ps->sps.mvc_extension_enable = 0;
+	hw_ps->sps.num_views = 0;
+
+	/*
+	 * Use the SPS values since they are already in macroblocks
+	 * dimensions, height can be field height (halved) if
+	 * V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY is not set and also it allows
+	 * decoding smaller images into larger allocation which can be used
+	 * to implementing SVC spatial layer support.
+	 */
+	pic_width = 16 * (sps->pic_width_in_mbs_minus1 + 1);
+	pic_height = 16 * (sps->pic_height_in_map_units_minus1 + 1);
+	if (!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY))
+		pic_height *= 2;
+	if (!!(dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC))
+		pic_height /= 2;
+
+	hw_ps->sps.pic_width_in_mbs = pic_width;
+	hw_ps->sps.pic_height_in_mbs = pic_height;
+
+	hw_ps->sps.frame_mbs_only_flag =
+		!!(sps->flags & V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY);
+	hw_ps->sps.mb_adaptive_frame_field_flag =
+		!!(sps->flags & V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD);
+	hw_ps->sps.direct_8x8_inference_flag =
+		!!(sps->flags & V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE);
+
+	/* write pps */
+	hw_ps->pps.pic_parameter_set_id = pps->pic_parameter_set_id;
+	hw_ps->pps.pps_seq_parameter_set_id = pps->seq_parameter_set_id;
+	hw_ps->pps.entropy_coding_mode_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE);
+	hw_ps->pps.bottom_field_pic_order_in_frame_present_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT);
+	hw_ps->pps.num_ref_idx_l0_default_active_minus1 =
+		pps->num_ref_idx_l0_default_active_minus1;
+	hw_ps->pps.num_ref_idx_l1_default_active_minus1 =
+		pps->num_ref_idx_l1_default_active_minus1;
+	hw_ps->pps.weighted_pred_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_WEIGHTED_PRED);
+	hw_ps->pps.weighted_bipred_idc = pps->weighted_bipred_idc;
+	hw_ps->pps.pic_init_qp_minus26 = pps->pic_init_qp_minus26;
+	hw_ps->pps.pic_init_qs_minus26 = pps->pic_init_qs_minus26;
+	hw_ps->pps.chroma_qp_index_offset = pps->chroma_qp_index_offset;
+	hw_ps->pps.deblocking_filter_control_present_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT);
+	hw_ps->pps.constrained_intra_pred_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED);
+	hw_ps->pps.redundant_pic_cnt_present =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT);
+	hw_ps->pps.transform_8x8_mode_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE);
+	hw_ps->pps.second_chroma_qp_index_offset = pps->second_chroma_qp_index_offset;
+	hw_ps->pps.scaling_list_enable_flag =
+		!!(pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT);
+
+	for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
+		if (dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM)
+			hw_ps->pps.is_longterm |= (1 << i);
+
+		set_field_order_cnt(hw_ps, i, dpb[i].top_field_order_cnt,
+				    dpb[i].bottom_field_order_cnt);
+
+		hw_ps->pps.ref_field_flags |=
+			(!!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_FIELD)) << i;
+		hw_ps->pps.ref_colmv_use_flag |=
+			(!!(dpb[i].flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE)) << i;
+		hw_ps->pps.ref_topfield_used |=
+			(!!(dpb[i].fields & V4L2_H264_TOP_FIELD_REF)) << i;
+		hw_ps->pps.ref_botfield_used |=
+			(!!(dpb[i].fields & V4L2_H264_BOTTOM_FIELD_REF)) << i;
+	}
+
+	hw_ps->pps.pic_field_flag =
+		!!(dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC);
+	hw_ps->pps.pic_associated_flag =
+		!!(dec_params->flags & V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD);
+
+	hw_ps->pps.cur_top_field = dec_params->top_field_order_cnt;
+	hw_ps->pps.cur_bot_field = dec_params->bottom_field_order_cnt;
+}
+
+static void rkvdec_write_regs(struct rkvdec_ctx *ctx)
+{
+	struct rkvdec_dev *rkvdec = ctx->dev;
+	struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+
+	rkvdec_memcpy_toio(rkvdec->regs + VDPU383_OFFSET_COMMON_REGS,
+			   &h264_ctx->regs.common,
+			   sizeof(h264_ctx->regs.common));
+	rkvdec_memcpy_toio(rkvdec->regs + VDPU383_OFFSET_COMMON_ADDR_REGS,
+			   &h264_ctx->regs.common_addr,
+			   sizeof(h264_ctx->regs.common_addr));
+	rkvdec_memcpy_toio(rkvdec->regs + VDPU383_OFFSET_CODEC_PARAMS_REGS,
+			   &h264_ctx->regs.h26x_params,
+			   sizeof(h264_ctx->regs.h26x_params));
+	rkvdec_memcpy_toio(rkvdec->regs + VDPU383_OFFSET_CODEC_ADDR_REGS,
+			   &h264_ctx->regs.h26x_addr,
+			   sizeof(h264_ctx->regs.h26x_addr));
+}
+
+static void config_registers(struct rkvdec_ctx *ctx,
+			     struct rkvdec_h264_run *run)
+{
+	const struct v4l2_ctrl_h264_decode_params *dec_params = run->decode_params;
+	struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+	dma_addr_t priv_start_addr = h264_ctx->priv_tbl.dma;
+	const struct v4l2_pix_format_mplane *dst_fmt;
+	struct vb2_v4l2_buffer *src_buf = run->base.bufs.src;
+	struct vb2_v4l2_buffer *dst_buf = run->base.bufs.dst;
+	struct vdpu383_regs_h26x *regs = &h264_ctx->regs;
+	const struct v4l2_format *f;
+	dma_addr_t rlc_addr;
+	dma_addr_t dst_addr;
+	u32 hor_virstride;
+	u32 ver_virstride;
+	u32 y_virstride;
+	u32 offset;
+	u32 pixels;
+	u32 i;
+
+	memset(regs, 0, sizeof(*regs));
+
+	/* Set H264 mode */
+	regs->common.reg008_dec_mode = VDPU383_MODE_H264;
+
+	/* Set input stream length */
+	regs->h26x_params.reg066_stream_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0);
+
+	/* Set strides */
+	f = &ctx->decoded_fmt;
+	dst_fmt = &f->fmt.pix_mp;
+	hor_virstride = dst_fmt->plane_fmt[0].bytesperline;
+	ver_virstride = dst_fmt->height;
+	y_virstride = hor_virstride * ver_virstride;
+
+	pixels = dst_fmt->height * dst_fmt->width;
+
+	regs->h26x_params.reg068_hor_virstride = hor_virstride / 16;
+	regs->h26x_params.reg069_raster_uv_hor_virstride = hor_virstride / 16;
+	regs->h26x_params.reg070_y_virstride = y_virstride / 16;
+
+	/* Activate block gating */
+	regs->common.reg010.strmd_auto_gating_e      = 1;
+	regs->common.reg010.inter_auto_gating_e      = 1;
+	regs->common.reg010.intra_auto_gating_e      = 1;
+	regs->common.reg010.transd_auto_gating_e     = 1;
+	regs->common.reg010.recon_auto_gating_e      = 1;
+	regs->common.reg010.filterd_auto_gating_e    = 1;
+	regs->common.reg010.bus_auto_gating_e        = 1;
+	regs->common.reg010.ctrl_auto_gating_e       = 1;
+	regs->common.reg010.rcb_auto_gating_e        = 1;
+	regs->common.reg010.err_prc_auto_gating_e    = 1;
+
+	/* Set timeout threshold */
+	if (pixels < RKVDEC_1080P_PIXELS)
+		regs->common.reg013_core_timeout_threshold = VDPU383_TIMEOUT_1080p;
+	else if (pixels < RKVDEC_4K_PIXELS)
+		regs->common.reg013_core_timeout_threshold = VDPU383_TIMEOUT_4K;
+	else if (pixels < RKVDEC_8K_PIXELS)
+		regs->common.reg013_core_timeout_threshold = VDPU383_TIMEOUT_8K;
+	else
+		regs->common.reg013_core_timeout_threshold = VDPU383_TIMEOUT_MAX;
+
+	regs->common.reg016.error_proc_disable = 1;
+
+	/* Set ref pic address & poc */
+	for (i = 0; i < ARRAY_SIZE(dec_params->dpb); i++) {
+		struct vb2_buffer *vb_buf = run->ref_buf[i];
+		dma_addr_t buf_dma;
+
+		/*
+		 * If a DPB entry is unused or invalid, address of current destination
+		 * buffer is returned.
+		 */
+		if (!vb_buf)
+			vb_buf = &dst_buf->vb2_buf;
+
+		buf_dma = vb2_dma_contig_plane_dma_addr(vb_buf, 0);
+
+		/* Set reference addresses */
+		regs->h26x_addr.reg170_185_ref_base[i] = buf_dma;
+		regs->h26x_addr.reg195_210_payload_st_ref_base[i] = buf_dma;
+
+		/* Set COLMV addresses */
+		regs->h26x_addr.reg217_232_colmv_ref_base[i] = buf_dma + ctx->colmv_offset;
+	}
+
+	/* Set rlc base address (input stream) */
+	rlc_addr = vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0);
+	regs->common_addr.reg128_strm_base = rlc_addr;
+
+	/* Set output base address */
+	dst_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
+	regs->h26x_addr.reg168_decout_base = dst_addr;
+	regs->h26x_addr.reg169_error_ref_base = dst_addr;
+	regs->h26x_addr.reg192_payload_st_cur_base = dst_addr;
+
+	/* Set colmv address */
+	regs->h26x_addr.reg216_colmv_cur_base = dst_addr + ctx->colmv_offset;
+
+	/* Set RCB addresses */
+	for (i = 0; i < rkvdec_rcb_buf_count(ctx); i++) {
+		regs->common_addr.reg140_162_rcb_info[i].offset = rkvdec_rcb_buf_dma_addr(ctx, i);
+		regs->common_addr.reg140_162_rcb_info[i].size = rkvdec_rcb_buf_size(ctx, i);
+	}
+
+	/* Set hw pps address */
+	offset = offsetof(struct rkvdec_h264_priv_tbl, param_set);
+	regs->common_addr.reg131_gbl_base = priv_start_addr + offset;
+	regs->h26x_params.reg067_global_len = sizeof(struct rkvdec_sps_pps) / 16;
+
+	/* Set hw rps address */
+	offset = offsetof(struct rkvdec_h264_priv_tbl, rps);
+	regs->common_addr.reg129_rps_base = priv_start_addr + offset;
+
+	/* Set cabac table */
+	offset = offsetof(struct rkvdec_h264_priv_tbl, cabac_table);
+	regs->common_addr.reg130_cabactbl_base = priv_start_addr + offset;
+
+	/* Set scaling list address */
+	offset = offsetof(struct rkvdec_h264_priv_tbl, scaling_list);
+	regs->common_addr.reg132_scanlist_addr = priv_start_addr + offset;
+
+	rkvdec_write_regs(ctx);
+}
+
+static int rkvdec_h264_start(struct rkvdec_ctx *ctx)
+{
+	struct rkvdec_dev *rkvdec = ctx->dev;
+	struct rkvdec_h264_priv_tbl *priv_tbl;
+	struct rkvdec_h264_ctx *h264_ctx;
+	struct v4l2_ctrl *ctrl;
+	int ret;
+
+	ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+			      V4L2_CID_STATELESS_H264_SPS);
+	if (!ctrl)
+		return -EINVAL;
+
+	h264_ctx = kzalloc(sizeof(*h264_ctx), GFP_KERNEL);
+	if (!h264_ctx)
+		return -ENOMEM;
+
+	priv_tbl = dma_alloc_coherent(rkvdec->dev, sizeof(*priv_tbl),
+				      &h264_ctx->priv_tbl.dma, GFP_KERNEL);
+	if (!priv_tbl) {
+		ret = -ENOMEM;
+		goto err_free_ctx;
+	}
+
+	h264_ctx->priv_tbl.size = sizeof(*priv_tbl);
+	h264_ctx->priv_tbl.cpu = priv_tbl;
+	memcpy(priv_tbl->cabac_table, rkvdec_h264_cabac_table,
+	       sizeof(rkvdec_h264_cabac_table));
+
+	ctx->priv = h264_ctx;
+
+	return 0;
+
+err_free_ctx:
+	kfree(h264_ctx);
+	return ret;
+}
+
+static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)
+{
+	struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+	struct rkvdec_dev *rkvdec = ctx->dev;
+
+	dma_free_coherent(rkvdec->dev, h264_ctx->priv_tbl.size,
+			  h264_ctx->priv_tbl.cpu, h264_ctx->priv_tbl.dma);
+	kfree(h264_ctx);
+}
+
+static int rkvdec_h264_run(struct rkvdec_ctx *ctx)
+{
+	struct v4l2_h264_reflist_builder reflist_builder;
+	struct rkvdec_dev *rkvdec = ctx->dev;
+	struct rkvdec_h264_ctx *h264_ctx = ctx->priv;
+	struct rkvdec_h264_run run;
+	struct rkvdec_h264_priv_tbl *tbl = h264_ctx->priv_tbl.cpu;
+	u32 watchdog_time;
+	u64 timeout_threshold;
+	unsigned long axi_rate;
+
+	rkvdec_h264_run_preamble(ctx, &run);
+
+	/* Build the P/B{0,1} ref lists. */
+	v4l2_h264_init_reflist_builder(&reflist_builder, run.decode_params,
+				       run.sps, run.decode_params->dpb);
+	v4l2_h264_build_p_ref_list(&reflist_builder, h264_ctx->reflists.p);
+	v4l2_h264_build_b_ref_lists(&reflist_builder, h264_ctx->reflists.b0,
+				    h264_ctx->reflists.b1);
+
+	assemble_hw_scaling_list(&run, &tbl->scaling_list);
+	assemble_hw_pps(ctx, &run);
+	lookup_ref_buf_idx(ctx, &run);
+	assemble_hw_rps(&reflist_builder, &run, &h264_ctx->reflists, &tbl->rps);
+
+	config_registers(ctx, &run);
+
+	rkvdec_run_postamble(ctx, &run.base);
+
+	/* Set watchdog at 2 times the hardware timeout threshold */
+	timeout_threshold = h264_ctx->regs.common.reg013_core_timeout_threshold;
+	axi_rate = clk_get_rate(rkvdec->axi_clk);
+
+	if (axi_rate)
+		watchdog_time = 2 * (1000 * timeout_threshold) / axi_rate;
+	else
+		watchdog_time = 2000;
+	schedule_delayed_work(&rkvdec->watchdog_work,
+			      msecs_to_jiffies(watchdog_time));
+
+	/* Start decoding! */
+	writel(timeout_threshold, rkvdec->link + VDPU383_LINK_TIMEOUT_THRESHOLD);
+	writel(0, rkvdec->link + VDPU383_LINK_IP_ENABLE);
+	writel(VDPU383_DEC_E_BIT, rkvdec->link + VDPU383_LINK_DEC_ENABLE);
+
+	return 0;
+}
+
+static int rkvdec_h264_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)
+{
+	if (ctrl->id == V4L2_CID_STATELESS_H264_SPS)
+		return rkvdec_h264_validate_sps(ctx, ctrl->p_new.p_h264_sps);
+
+	return 0;
+}
+
+const struct rkvdec_coded_fmt_ops rkvdec_vdpu383_h264_fmt_ops = {
+	.adjust_fmt = rkvdec_h264_adjust_fmt,
+	.get_image_fmt = rkvdec_h264_get_image_fmt,
+	.start = rkvdec_h264_start,
+	.stop = rkvdec_h264_stop,
+	.run = rkvdec_h264_run,
+	.try_ctrl = rkvdec_h264_try_ctrl,
+};
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-regs.h b/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-regs.h
new file mode 100644
index 0000000000000..bc1c2b4272b0c
--- /dev/null
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-regs.h
@@ -0,0 +1,281 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Rockchip Video Decoder VDPU383 driver registers description
+ *
+ * Copyright (C) 2025 Collabora, Ltd.
+ *  Detlev Casanova <detlev.casanova@...labora.com>
+ */
+
+#ifndef _RKVDEC_VDPU838_REGS_H_
+#define _RKVDEC_VDPU838_REGS_H_
+
+#include <linux/types.h>
+
+#define VDPU383_OFFSET_COMMON_REGS		(8 * sizeof(u32))
+#define VDPU383_OFFSET_CODEC_PARAMS_REGS	(64 * sizeof(u32))
+#define VDPU383_OFFSET_COMMON_ADDR_REGS		(128 * sizeof(u32))
+#define VDPU383_OFFSET_CODEC_ADDR_REGS		(168 * sizeof(u32))
+#define VDPU383_OFFSET_POC_HIGHBIT_REGS		(200 * sizeof(u32))
+
+#define VDPU383_MODE_HEVC	0
+#define VDPU383_MODE_H264	1
+
+#define VDPU383_TIMEOUT_1080p		(0xffffff)
+#define VDPU383_TIMEOUT_4K		(0x2cfffff)
+#define VDPU383_TIMEOUT_8K		(0x4ffffff)
+#define VDPU383_TIMEOUT_MAX		(0xffffffff)
+
+#define VDPU383_LINK_TIMEOUT_THRESHOLD	0x54
+
+#define VDPU383_LINK_IP_ENABLE		0x58
+#define VDPU383_IP_CRU_MODE		BIT(24)
+
+#define VDPU383_LINK_DEC_ENABLE		0x40
+#define VDPU383_DEC_E_BIT		BIT(0)
+
+#define VDPU383_LINK_INT_EN		0x048
+#define VDPU383_INT_EN_IRQ		BIT(0)
+#define VDPU383_INT_EN_LINE_IRQ		BIT(1)
+
+#define VDPU383_LINK_STA_INT		0x04c
+#define VDPU383_STA_INT_DEC_RDY_STA	BIT(0)
+#define VDPU383_STA_INT_SOFTRESET_RDY	(BIT(10) | BIT(11))
+#define VDPU383_STA_INT_ALL		0x3ff
+
+struct vdpu383_regs_common {
+	u32 reg008_dec_mode;
+
+	struct swreg9_important_en {
+		u32 fbc_e			: 1;
+		u32 tile_e			: 1;
+		u32 reserve0			: 2;
+		u32 buf_empty_en		: 1;
+		u32 scale_down_en		: 1;
+		u32 reserve1			: 1;
+		u32 pix_range_det_e		: 1;
+		u32 av1_fgs_en			: 1;
+		u32 reserve2			: 7;
+		u32 line_irq_en			: 1;
+		u32 out_cbcr_swap		: 1;
+		u32 fbc_force_uncompress	: 1;
+		u32 fbc_sparse_mode		: 1;
+		u32 reserve3			: 12;
+	} reg009;
+
+	struct swreg010_block_gating_en {
+		u32 strmd_auto_gating_e		: 1;
+		u32 inter_auto_gating_e		: 1;
+		u32 intra_auto_gating_e		: 1;
+		u32 transd_auto_gating_e	: 1;
+		u32 recon_auto_gating_e		: 1;
+		u32 filterd_auto_gating_e	: 1;
+		u32 bus_auto_gating_e		: 1;
+		u32 ctrl_auto_gating_e		: 1;
+		u32 rcb_auto_gating_e		: 1;
+		u32 err_prc_auto_gating_e	: 1;
+		u32 reserve0			: 22;
+	} reg010;
+
+	struct swreg011_cfg_para {
+		u32 reserve0			: 9;
+		u32 dec_timeout_dis		: 1;
+		u32 reserve1			: 22;
+	} reg011;
+
+	struct swreg012_cache_hash_mask {
+		u32 reserve0			: 7;
+		u32 cache_hash_mask		: 25;
+	} reg012;
+
+	u32 reg013_core_timeout_threshold;
+
+	struct swreg014_line_irq_ctrl {
+		u32 dec_line_irq_step		: 16;
+		u32 dec_line_offset_y_st	: 16;
+	} reg014;
+
+	struct swreg015_irq_sta {
+		u32 rkvdec_frame_rdy_sta	: 1;
+		u32 rkvdec_strm_error_sta	: 1;
+		u32 rkvdec_core_timeout_sta	: 1;
+		u32 rkvdec_ip_timeout_sta	: 1;
+		u32 rkvdec_bus_error_sta	: 1;
+		u32 rkvdec_buffer_empty_sta	: 1;
+		u32 rkvdec_colmv_ref_error_sta	: 1;
+		u32 rkvdec_error_spread_sta	: 1;
+		u32 create_core_timeout_sta	: 1;
+		u32 wlast_miss_match_sta	: 1;
+		u32 rkvdec_core_rst_rdy_sta	: 1;
+		u32 rkvdec_ip_rst_rdy_sta	: 1;
+		u32 force_busidle_rdy_sta	: 1;
+		u32 ltb_pause_rdy_sta		: 1;
+		u32 ltb_end_flag		: 1;
+		u32 unsupport_decmode_error_sta	: 1;
+		u32 wmask_bits			: 15;
+		u32 reserve0			: 1;
+	} reg015;
+
+	struct swreg016_error_ctrl_set {
+		u32 error_proc_disable		: 1;
+		u32 reserve0			: 7;
+		u32 error_spread_disable	: 1;
+		u32 reserve1			: 15;
+		u32 roi_error_ctu_cal_en	: 1;
+		u32 reserve2			: 7;
+	} reg016;
+
+	struct swreg017_err_roi_ctu_offset_start {
+		u32 roi_x_ctu_offset_st		: 12;
+		u32 reserve0			: 4;
+		u32 roi_y_ctu_offset_st		: 12;
+		u32 reserve1			: 4;
+	} reg017;
+
+	struct swreg018_err_roi_ctu_offset_end {
+		u32 roi_x_ctu_offset_end	: 12;
+		u32 reserve0			: 4;
+		u32 roi_y_ctu_offset_end	: 12;
+		u32 reserve1			: 4;
+	} reg018;
+
+	struct swreg019_error_ref_info {
+		u32 avs2_ref_error_field	: 1;
+		u32 avs2_ref_error_topfield	: 1;
+		u32 ref_error_topfield_used	: 1;
+		u32 ref_error_botfield_used	: 1;
+		u32 reserve0			: 28;
+	} reg019;
+
+	u32 reg020_cabac_error_en_lowbits;
+	u32 reg021_cabac_error_en_highbits;
+
+	u32 reg022_reserved;
+
+	struct swreg023_invalid_pixel_fill {
+		u32 fill_y			: 10;
+		u32 fill_u			: 10;
+		u32 fill_v			: 10;
+		u32 reserve0			: 2;
+	} reg023;
+
+	u32 reg024_026_reserved[3];
+
+	struct swreg027_align_en {
+		u32 reserve0			: 4;
+		u32 ctu_align_wr_en		: 1;
+		u32 reserve1			: 27;
+	} reg027;
+
+	struct swreg028_debug_perf_latency_ctrl0 {
+		u32 axi_perf_work_e		: 1;
+		u32 reserve0			: 2;
+		u32 axi_cnt_type		: 1;
+		u32 rd_latency_id		: 8;
+		u32 reserve1			: 4;
+		u32 rd_latency_thr		: 12;
+		u32 reserve2			: 4;
+	} reg028;
+
+	struct swreg029_debug_perf_latency_ctrl1 {
+		u32 addr_align_type		: 2;
+		u32 ar_cnt_id_type		: 1;
+		u32 aw_cnt_id_type		: 1;
+		u32 ar_count_id			: 8;
+		u32 reserve0			: 4;
+		u32 aw_count_id			: 8;
+		u32 rd_band_width_mode		: 1;
+		u32 reserve1			: 7;
+	} reg029;
+
+	struct swreg030_qos_ctrl {
+		u32 axi_wr_qos_level		: 4;
+		u32 reserve0			: 4;
+		u32 axi_wr_qos			: 4;
+		u32 reserve1			: 4;
+		u32 axi_rd_qos_level		: 4;
+		u32 reserve2			: 4;
+		u32 axi_rd_qos			: 4;
+		u32 reserve3			: 4;
+	} reg030;
+};
+
+struct vdpu383_regs_common_addr {
+	u32 reg128_strm_base;
+	u32 reg129_rps_base;
+	u32 reg130_cabactbl_base;
+	u32 reg131_gbl_base;
+	u32 reg132_scanlist_addr;
+	u32 reg133_scale_down_base;
+	u32 reg134_fgs_base;
+	u32 reg135_139_reserved[5];
+
+	struct rcb_info {
+	u32 offset;
+	u32 size;
+	} reg140_162_rcb_info[11];
+};
+
+struct vdpu383_regs_h26x_addr {
+	u32 reg168_decout_base;
+	u32 reg169_error_ref_base;
+	u32 reg170_185_ref_base[16];
+	u32 reg186_191_reserved[6];
+	u32 reg192_payload_st_cur_base;
+	u32 reg193_fbc_payload_offset;
+	u32 reg194_payload_st_error_ref_base;
+	u32 reg195_210_payload_st_ref_base[16];
+	u32 reg211_215_reserved[5];
+	u32 reg216_colmv_cur_base;
+	u32 reg217_232_colmv_ref_base[16];
+};
+
+struct vdpu383_regs_h26x_params {
+	u32 reg064_start_decoder;
+	u32 reg065_strm_start_bit;
+	u32 reg066_stream_len;
+	u32 reg067_global_len;
+	u32 reg068_hor_virstride;
+	u32 reg069_raster_uv_hor_virstride;
+	u32 reg070_y_virstride;
+	u32 reg071_scl_ref_hor_virstride;
+	u32 reg072_scl_ref_raster_uv_hor_virstride;
+	u32 reg073_scl_ref_virstride;
+	u32 reg074_fgs_ref_hor_virstride;
+	u32 reg075_079_reserved[5];
+	u32 reg080_error_ref_hor_virstride;
+	u32 reg081_error_ref_raster_uv_hor_virstride;
+	u32 reg082_error_ref_virstride;
+	u32 reg083_ref0_hor_virstride;
+	u32 reg084_ref0_raster_uv_hor_virstride;
+	u32 reg085_ref0_virstride;
+	u32 reg086_ref1_hor_virstride;
+	u32 reg087_ref1_raster_uv_hor_virstride;
+	u32 reg088_ref1_virstride;
+	u32 reg089_ref2_hor_virstride;
+	u32 reg090_ref2_raster_uv_hor_virstride;
+	u32 reg091_ref2_virstride;
+	u32 reg092_ref3_hor_virstride;
+	u32 reg093_ref3_raster_uv_hor_virstride;
+	u32 reg094_ref3_virstride;
+	u32 reg095_ref4_hor_virstride;
+	u32 reg096_ref4_raster_uv_hor_virstride;
+	u32 reg097_ref4_virstride;
+	u32 reg098_ref5_hor_virstride;
+	u32 reg099_ref5_raster_uv_hor_virstride;
+	u32 reg100_ref5_virstride;
+	u32 reg101_ref6_hor_virstride;
+	u32 reg102_ref6_raster_uv_hor_virstride;
+	u32 reg103_ref6_virstride;
+	u32 reg104_ref7_hor_virstride;
+	u32 reg105_ref7_raster_uv_hor_virstride;
+	u32 reg106_ref7_virstride;
+};
+
+struct vdpu383_regs_h26x {
+	struct vdpu383_regs_common		common;		/* 8-30 */
+	struct vdpu383_regs_h26x_params		h26x_params;	/* 64-74, 80-106 */
+	struct vdpu383_regs_common_addr		common_addr;	/* 128-134, 140-161 */
+	struct vdpu383_regs_h26x_addr		h26x_addr;	/* 168-185, 192-210, 216-232 */
+} __packed;
+
+#endif /* __RKVDEC_VDPU838_REGS_H__ */
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.c b/drivers/media/platform/rockchip/rkvdec/rkvdec.c
index 3d243b6e11445..fe33e69710bfa 100644
--- a/drivers/media/platform/rockchip/rkvdec/rkvdec.c
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.c
@@ -9,6 +9,7 @@
  * Copyright (C) 2011 Samsung Electronics Co., Ltd.
  */
 
+#include <linux/hw_bitfield.h>
 #include <linux/clk.h>
 #include <linux/genalloc.h>
 #include <linux/interrupt.h>
@@ -30,6 +31,7 @@
 #include "rkvdec.h"
 #include "rkvdec-regs.h"
 #include "rkvdec-vdpu381-regs.h"
+#include "rkvdec-vdpu383-regs.h"
 #include "rkvdec-rcb.h"
 
 static bool rkvdec_image_fmt_match(enum rkvdec_image_fmt fmt1,
@@ -86,17 +88,26 @@ static bool rkvdec_is_valid_fmt(struct rkvdec_ctx *ctx, u32 fourcc,
 	return false;
 }
 
+static u32 rkvdec_colmv_size(u16 width, u16 height)
+{
+	return 128 * DIV_ROUND_UP(width, 16) * DIV_ROUND_UP(height, 16);
+}
+
+static u32 vdpu383_colmv_size(u16 width, u16 height)
+{
+	return ALIGN(width, 64) * ALIGN(height, 16);
+}
+
 static void rkvdec_fill_decoded_pixfmt(struct rkvdec_ctx *ctx,
 				       struct v4l2_pix_format_mplane *pix_mp)
 {
-	v4l2_fill_pixfmt_mp(pix_mp, pix_mp->pixelformat,
-			    pix_mp->width, pix_mp->height);
+	const struct rkvdec_variant *variant = ctx->dev->variant;
+
+	v4l2_fill_pixfmt_mp(pix_mp, pix_mp->pixelformat, pix_mp->width, pix_mp->height);
 
 	ctx->colmv_offset = pix_mp->plane_fmt[0].sizeimage;
 
-	pix_mp->plane_fmt[0].sizeimage += 128 *
-		DIV_ROUND_UP(pix_mp->width, 16) *
-		DIV_ROUND_UP(pix_mp->height, 16);
+	pix_mp->plane_fmt[0].sizeimage += variant->ops->colmv_size(pix_mp->width, pix_mp->height);
 }
 
 static void rkvdec_reset_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f,
@@ -405,6 +416,25 @@ static const struct rkvdec_coded_fmt_desc vdpu381_coded_fmts[] = {
 	},
 };
 
+static const struct rkvdec_coded_fmt_desc vdpu383_coded_fmts[] = {
+	{
+		.fourcc = V4L2_PIX_FMT_H264_SLICE,
+		.frmsize = {
+			.min_width = 64,
+			.max_width =  65520,
+			.step_width = 64,
+			.min_height = 64,
+			.max_height =  65520,
+			.step_height = 16,
+		},
+		.ctrls = &rkvdec_h264_ctrls,
+		.ops = &rkvdec_vdpu383_h264_fmt_ops,
+		.num_decoded_fmts = ARRAY_SIZE(rkvdec_h264_decoded_fmts),
+		.decoded_fmts = rkvdec_h264_decoded_fmts,
+		.subsystem_flags = VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF,
+	},
+};
+
 static const struct rkvdec_coded_fmt_desc *
 rkvdec_enum_coded_fmt_desc(struct rkvdec_ctx *ctx, int index)
 {
@@ -1297,6 +1327,35 @@ static irqreturn_t vdpu381_irq_handler(struct rkvdec_ctx *ctx)
 	return IRQ_HANDLED;
 }
 
+static irqreturn_t vdpu383_irq_handler(struct rkvdec_ctx *ctx)
+{
+	struct rkvdec_dev *rkvdec = ctx->dev;
+	enum vb2_buffer_state state;
+	bool need_reset = 0;
+	u32 status;
+
+	status = readl(rkvdec->link + VDPU383_LINK_STA_INT);
+	writel(FIELD_PREP_WM16(VDPU383_STA_INT_ALL, 0), rkvdec->link + VDPU383_LINK_STA_INT);
+	/* On vdpu383, the interrupts must be disabled */
+	writel(FIELD_PREP_WM16(VDPU383_INT_EN_IRQ | VDPU383_INT_EN_LINE_IRQ, 0),
+	       rkvdec->link + VDPU383_LINK_INT_EN);
+
+	if (status & VDPU383_STA_INT_DEC_RDY_STA) {
+		state = VB2_BUF_STATE_DONE;
+	} else {
+		state = VB2_BUF_STATE_ERROR;
+		rkvdec_iommu_restore(rkvdec);
+	}
+
+	if (need_reset)
+		rkvdec_iommu_restore(rkvdec);
+
+	if (cancel_delayed_work(&rkvdec->watchdog_work))
+		rkvdec_job_finish(ctx, state);
+
+	return IRQ_HANDLED;
+}
+
 static irqreturn_t rkvdec_irq_handler(int irq, void *priv)
 {
 	struct rkvdec_dev *rkvdec = priv;
@@ -1366,6 +1425,7 @@ static int rkvdec_disable_multicore(struct rkvdec_dev *rkvdec)
 
 static const struct rkvdec_variant_ops rk3399_variant_ops = {
 	.irq_handler = rk3399_irq_handler,
+	.colmv_size = rkvdec_colmv_size,
 };
 
 static const struct rkvdec_variant rk3288_rkvdec_variant = {
@@ -1408,6 +1468,7 @@ static const struct rcb_size_info vdpu381_rcb_sizes[] = {
 
 static const struct rkvdec_variant_ops vdpu381_variant_ops = {
 	.irq_handler = vdpu381_irq_handler,
+	.colmv_size = rkvdec_colmv_size,
 };
 
 static const struct rkvdec_variant vdpu381_variant = {
@@ -1418,6 +1479,32 @@ static const struct rkvdec_variant vdpu381_variant = {
 	.ops = &vdpu381_variant_ops,
 };
 
+static const struct rcb_size_info vdpu383_rcb_sizes[] = {
+	{6,	PIC_WIDTH},	// streamd
+	{6,	PIC_WIDTH},	// streamd_tile
+	{12,	PIC_WIDTH},	// inter
+	{12,	PIC_WIDTH},	// inter_tile
+	{16,	PIC_WIDTH},	// intra
+	{10,	PIC_WIDTH},	// intra_tile
+	{120,	PIC_WIDTH},	// filterd
+	{120,	PIC_WIDTH},	// filterd_protect
+	{120,	PIC_WIDTH},	// filterd_tile_row
+	{180,	PIC_HEIGHT},	// filterd_tile_col
+};
+
+static const struct rkvdec_variant_ops vdpu383_variant_ops = {
+	.irq_handler = vdpu383_irq_handler,
+	.colmv_size = vdpu383_colmv_size,
+};
+
+static const struct rkvdec_variant vdpu383_variant = {
+	.coded_fmts = vdpu383_coded_fmts,
+	.num_coded_fmts = ARRAY_SIZE(vdpu383_coded_fmts),
+	.rcb_sizes = vdpu383_rcb_sizes,
+	.num_rcb_sizes = ARRAY_SIZE(vdpu383_rcb_sizes),
+	.ops = &vdpu383_variant_ops,
+};
+
 static const struct of_device_id of_rkvdec_match[] = {
 	{
 		.compatible = "rockchip,rk3288-vdec",
@@ -1435,6 +1522,10 @@ static const struct of_device_id of_rkvdec_match[] = {
 		.compatible = "rockchip,rk3588-vdec",
 		.data = &vdpu381_variant,
 	},
+	{
+		.compatible = "rockchip,rk3576-vdec",
+		.data = &vdpu383_variant,
+	},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, of_rkvdec_match);
@@ -1478,6 +1569,10 @@ static int rkvdec_probe(struct platform_device *pdev)
 		rkvdec->regs = devm_platform_ioremap_resource_byname(pdev, "function");
 		if (IS_ERR(rkvdec->regs))
 			return PTR_ERR(rkvdec->regs);
+
+		rkvdec->link = devm_platform_ioremap_resource_byname(pdev, "link");
+		if (IS_ERR(rkvdec->link))
+			return PTR_ERR(rkvdec->link);
 	}
 
 	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec.h b/drivers/media/platform/rockchip/rkvdec/rkvdec.h
index 401221061e081..a76bc270d0062 100644
--- a/drivers/media/platform/rockchip/rkvdec/rkvdec.h
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec.h
@@ -73,6 +73,7 @@ vb2_to_rkvdec_decoded_buf(struct vb2_buffer *buf)
 
 struct rkvdec_variant_ops {
 	irqreturn_t (*irq_handler)(struct rkvdec_ctx *ctx);
+	u32 (*colmv_size)(u16 width, u16 height);
 };
 
 struct rkvdec_variant {
@@ -133,6 +134,7 @@ struct rkvdec_dev {
 	unsigned int num_clocks;
 	struct clk *axi_clk;
 	void __iomem *regs;
+	void __iomem *link;
 	struct mutex vdev_lock; /* serializes ioctls */
 	struct delayed_work watchdog_work;
 	struct gen_pool *sram_pool;
@@ -185,4 +187,7 @@ extern const struct rkvdec_coded_fmt_ops rkvdec_vp9_fmt_ops;
 /* VDPU381 ops */
 extern const struct rkvdec_coded_fmt_ops rkvdec_vdpu381_h264_fmt_ops;
 
+/* VDPU383 ops */
+extern const struct rkvdec_coded_fmt_ops rkvdec_vdpu383_h264_fmt_ops;
+
 #endif /* RKVDEC_H_ */
-- 
2.52.0


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