[PATCH v7 08/17] media: rkvdec: Move hevc functions to common file

Detlev Casanova
2025-12-18T23:28:57Z

This is a preparation commit to add support for new variants of the
decoder.

The functions will later be shared with vdpu381 (rk3588) and vdpu383
(rk3576).

Tested-by: Diederik de Haas <didi.debian@cknow.org> # Rock 5B
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
---
.../media/platform/rockchip/rkvdec/Makefile | 1 +
.../rockchip/rkvdec/rkvdec-hevc-common.c | 206 +++++++++++++++++
.../rockchip/rkvdec/rkvdec-hevc-common.h | 49 ++++
.../platform/rockchip/rkvdec/rkvdec-hevc.c | 217 +-----------------
4 files changed, 263 insertions(+), 210 deletions(-)
create mode 100644 drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c
create mode 100644 drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

diff --git a/drivers/media/platform/rockchip/rkvdec/Makefile b/drivers/media/platform/rockchip/rkvdec/Makefile
index d2ba7a7c15e59..1b4bc44be23ee 100644
--- a/drivers/media/platform/rockchip/rkvdec/Makefile
+++ b/drivers/media/platform/rockchip/rkvdec/Makefile
@@ -6,4 +6,5 @@ rockchip-vdec-y += \
rkvdec-h264.o \
rkvdec-h264-common.o \
rkvdec-hevc.o \
+ rkvdec-hevc-common.o \
rkvdec-vp9.o
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c
new file mode 100644
index 0000000000000..cb56a9a243927
--- /dev/null
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c
@@ -0,0 +1,206 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Rockchip video decoder hevc common functions
+ *
+ * Copyright (C) 2025 Collabora, Ltd.
+ * Detlev Casanova <detlev.casanova@collabora.com>
+ *
+ * Copyright (C) 2023 Collabora, Ltd.
+ * Sebastian Fricke <sebastian.fricke@collabora.com>
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ * Boris Brezillon <boris.brezillon@collabora.com>
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Jeffy Chen <jeffy.chen@rock-chips.com>
+ */
+
+#include <linux/v4l2-common.h>
+#include <media/v4l2-mem2mem.h>
+
+#include "rkvdec.h"
+#include "rkvdec-hevc-common.h"
+
+/*
+ * Flip one or more matrices along their main diagonal and flatten them
+ * before writing it to the memory.
+ * Convert:
+ * ABCD AEIM
+ * EFGH => BFJN => AEIMBFJNCGKODHLP
+ * IJKL CGKO
+ * MNOP DHLP
+ */
+static void transpose_and_flatten_matrices(u8 *output, const u8 *input,
+ int matrices, int row_length)
+{
+ int i, j, row, x_offset, matrix_offset, rot_index, y_offset, matrix_size, new_value;
+
+ matrix_size = row_length * row_length;
+ for (i = 0; i < matrices; i++) {
+ row = 0;
+ x_offset = 0;
+ matrix_offset = i * matrix_size;
+ for (j = 0; j < matrix_size; j++) {
+ y_offset = j - (row * row_length);
+ rot_index = y_offset * row_length + x_offset;
+ new_value = *(input + i * matrix_size + j);
+ output[matrix_offset + rot_index] = new_value;
+ if ((j + 1) % row_length == 0) {
+ row += 1;
+ x_offset += 1;
+ }
+ }
+ }
+}
+
+static void assemble_scalingfactor0(u8 *output, const struct v4l2_ctrl_hevc_scaling_matrix *input)
+{
+ int offset = 0;
+
+ transpose_and_flatten_matrices(output, (const u8 *)input->scaling_list_4x4, 6, 4);
+ offset = 6 * 16 * sizeof(u8);
+ transpose_and_flatten_matrices(output + offset, (const u8 *)input->scaling_list_8x8, 6, 8);
+ offset += 6 * 64 * sizeof(u8);
+ transpose_and_flatten_matrices(output + offset,
+ (const u8 *)input->scaling_list_16x16, 6, 8);
+ offset += 6 * 64 * sizeof(u8);
+ /* Add a 128 byte padding with 0s between the two 32x32 matrices */
+ transpose_and_flatten_matrices(output + offset,
+ (const u8 *)input->scaling_list_32x32, 1, 8);
+ offset += 64 * sizeof(u8);
+ memset(output + offset, 0, 128);
+ offset += 128 * sizeof(u8);
+ transpose_and_flatten_matrices(output + offset,
+ (const u8 *)input->scaling_list_32x32 + (64 * sizeof(u8)),
+ 1, 8);
+ offset += 64 * sizeof(u8);
+ memset(output + offset, 0, 128);
+}
+
+/*
+ * Required layout:
+ * A = scaling_list_dc_coef_16x16
+ * B = scaling_list_dc_coef_32x32
+ * 0 = Padding
+ *
+ * A, A, A, A, A, A, B, 0, 0, B, 0, 0
+ */
+static void assemble_scalingdc(u8 *output, const struct v4l2_ctrl_hevc_scaling_matrix *input)
+{
+ u8 list_32x32[6] = {0};
+
+ memcpy(output, input->scaling_list_dc_coef_16x16, 6 * sizeof(u8));
+ list_32x32[0] = input->scaling_list_dc_coef_32x32[0];
+ list_32x32[3] = input->scaling_list_dc_coef_32x32[1];
+ memcpy(output + 6 * sizeof(u8), list_32x32, 6 * sizeof(u8));
+}
+
+static void translate_scaling_list(struct scaling_factor *output,
+ const struct v4l2_ctrl_hevc_scaling_matrix *input)
+{
+ assemble_scalingfactor0(output->scalingfactor0, input);
+ memcpy(output->scalingfactor1, (const u8 *)input->scaling_list_4x4, 96);
+ assemble_scalingdc(output->scalingdc, input);
+ memset(output->reserved, 0, 4 * sizeof(u8));
+}
+
+void rkvdec_hevc_assemble_hw_scaling_list(struct rkvdec_hevc_run *run,
+ struct scaling_factor *scaling_factor,
+ struct v4l2_ctrl_hevc_scaling_matrix *cache)
+{
+ const struct v4l2_ctrl_hevc_scaling_matrix *scaling = run->scaling_matrix;
+
+ if (!memcmp(cache, scaling,
+ sizeof(struct v4l2_ctrl_hevc_scaling_matrix)))
+ return;
+
+ translate_scaling_list(scaling_factor, scaling);
+
+ memcpy(cache, scaling,
+ sizeof(struct v4l2_ctrl_hevc_scaling_matrix));
+}
+
+struct vb2_buffer *
+get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run,
+ unsigned int dpb_idx)
+{
+ struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
+ const struct v4l2_ctrl_hevc_decode_params *decode_params = run->decode_params;
+ const struct v4l2_hevc_dpb_entry *dpb = decode_params->dpb;
+ struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
+ struct vb2_buffer *buf = NULL;
+
+ if (dpb_idx < decode_params->num_active_dpb_entries)
+ buf = vb2_find_buffer(cap_q, dpb[dpb_idx].timestamp);
+
+ /*
+ * If a DPB entry is unused or invalid, the address of current destination
+ * buffer is returned.
+ */
+ if (!buf)
+ return &run->base.bufs.dst->vb2_buf;
+
+ return buf;
+}
+
+#define RKVDEC_HEVC_MAX_DEPTH_IN_BYTES 2
+
+int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f)
+{
+ struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
+
+ fmt->num_planes = 1;
+ if (!fmt->plane_fmt[0].sizeimage)
+ fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
+ RKVDEC_HEVC_MAX_DEPTH_IN_BYTES;
+ return 0;
+}
+
+enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx,
+ struct v4l2_ctrl *ctrl)
+{
+ const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps;
+
+ if (ctrl->id != V4L2_CID_STATELESS_HEVC_SPS)
+ return RKVDEC_IMG_FMT_ANY;
+
+ if (sps->bit_depth_luma_minus8 == 0) {
+ if (sps->chroma_format_idc == 2)
+ return RKVDEC_IMG_FMT_422_8BIT;
+ else
+ return RKVDEC_IMG_FMT_420_8BIT;
+ } else if (sps->bit_depth_luma_minus8 == 2) {
+ if (sps->chroma_format_idc == 2)
+ return RKVDEC_IMG_FMT_422_10BIT;
+ else
+ return RKVDEC_IMG_FMT_420_10BIT;
+ }
+
+ return RKVDEC_IMG_FMT_ANY;
+}
+
+
+void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx,
+ struct rkvdec_hevc_run *run)
+{
+ struct v4l2_ctrl *ctrl;
+
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_HEVC_DECODE_PARAMS);
+ run->decode_params = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_HEVC_SLICE_PARAMS);
+ run->slices_params = ctrl ? ctrl->p_cur.p : NULL;
+ run->num_slices = ctrl ? ctrl->new_elems : 0;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_HEVC_SPS);
+ run->sps = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_HEVC_PPS);
+ run->pps = ctrl ? ctrl->p_cur.p : NULL;
+ ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
+ V4L2_CID_STATELESS_HEVC_SCALING_MATRIX);
+ run->scaling_matrix = ctrl ? ctrl->p_cur.p : NULL;
+
+ rkvdec_run_preamble(ctx, &run->base);
+}
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h
new file mode 100644
index 0000000000000..e3099fdd784b1
--- /dev/null
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Rockchip video decoder hevc common functions
+ *
+ * Copyright (C) 2025 Collabora, Ltd.
+ * Detlev Casanova <detlev.casanova@collabora.com>
+ *
+ * Copyright (C) 2023 Collabora, Ltd.
+ * Sebastian Fricke <sebastian.fricke@collabora.com>
+ *
+ * Copyright (C) 2019 Collabora, Ltd.
+ * Boris Brezillon <boris.brezillon@collabora.com>
+ *
+ * Copyright (C) 2016 Rockchip Electronics Co., Ltd.
+ * Jeffy Chen <jeffy.chen@rock-chips.com>
+ */
+
+#include <media/v4l2-mem2mem.h>
+#include "rkvdec.h"
+
+#define RKV_HEVC_CABAC_TABLE_SIZE 27456
+extern const u8 rkvdec_hevc_cabac_table[RKV_HEVC_CABAC_TABLE_SIZE];
+
+struct rkvdec_hevc_run {
+ struct rkvdec_run base;
+ const struct v4l2_ctrl_hevc_slice_params *slices_params;
+ const struct v4l2_ctrl_hevc_decode_params *decode_params;
+ const struct v4l2_ctrl_hevc_sps *sps;
+ const struct v4l2_ctrl_hevc_pps *pps;
+ const struct v4l2_ctrl_hevc_scaling_matrix *scaling_matrix;
+ int num_slices;
+};
+
+struct scaling_factor {
+ u8 scalingfactor0[1248];
+ u8 scalingfactor1[96]; /*4X4 TU Rotate, total 16X4*/
+ u8 scalingdc[12]; /*N1005 Vienna Meeting*/
+ u8 reserved[4]; /*16Bytes align*/
+};
+
+void rkvdec_hevc_assemble_hw_scaling_list(struct rkvdec_hevc_run *run,
+ struct scaling_factor *scaling_factor,
+ struct v4l2_ctrl_hevc_scaling_matrix *cache);
+struct vb2_buffer *get_ref_buf(struct rkvdec_ctx *ctx,
+ struct rkvdec_hevc_run *run,
+ unsigned int dpb_idx);
+int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f);
+enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);
+void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run);
diff --git a/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c
index dfadb9a13c9a8..156ce381f0680 100644
--- a/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c
+++ b/drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c
@@ -16,6 +16,7 @@

#include "rkvdec.h"
#include "rkvdec-regs.h"
+#include "rkvdec-hevc-common.h"

/* Size in u8/u32 units. */
#define RKV_SCALING_LIST_SIZE 1360
@@ -24,9 +25,6 @@
#define RKV_RPS_SIZE (32 / 4)
#define RKV_RPS_LEN 600

-#define RKV_HEVC_CABAC_TABLE_SIZE 27456
-extern const u8 rkvdec_hevc_cabac_table[RKV_HEVC_CABAC_TABLE_SIZE];
-
struct rkvdec_sps_pps_packet {
u32 info[RKV_PPS_SIZE];
};
@@ -113,34 +111,17 @@ struct rkvdec_ps_field {
/* Data structure describing auxiliary buffer format. */
struct rkvdec_hevc_priv_tbl {
u8 cabac_table[RKV_HEVC_CABAC_TABLE_SIZE];
- u8 scaling_list[RKV_SCALING_LIST_SIZE];
+ struct scaling_factor scaling_list;
struct rkvdec_sps_pps_packet param_set[RKV_PPS_LEN];
struct rkvdec_rps_packet rps[RKV_RPS_LEN];
};

-struct rkvdec_hevc_run {
- struct rkvdec_run base;
- const struct v4l2_ctrl_hevc_slice_params *slices_params;
- const struct v4l2_ctrl_hevc_decode_params *decode_params;
- const struct v4l2_ctrl_hevc_sps *sps;
- const struct v4l2_ctrl_hevc_pps *pps;
- const struct v4l2_ctrl_hevc_scaling_matrix *scaling_matrix;
- int num_slices;
-};
-
struct rkvdec_hevc_ctx {
struct rkvdec_aux_buf priv_tbl;
struct v4l2_ctrl_hevc_scaling_matrix scaling_matrix_cache;
struct rkvdec_regs regs;
};

-struct scaling_factor {
- u8 scalingfactor0[1248];
- u8 scalingfactor1[96]; /*4X4 TU Rotate, total 16X4*/
- u8 scalingdc[12]; /*N1005 Vienna Meeting*/
- u8 reserved[4]; /*16Bytes align*/
-};
-
static void set_ps_field(u32 *buf, struct rkvdec_ps_field field, u32 value)
{
u8 bit = field.offset % 32, word = field.offset / 32;
@@ -417,131 +398,6 @@ static void assemble_sw_rps(struct rkvdec_ctx *ctx,
}
}

-/*
- * Flip one or more matrices along their main diagonal and flatten them
- * before writing it to the memory.
- * Convert:
- * ABCD AEIM
- * EFGH => BFJN => AEIMBFJNCGKODHLP
- * IJKL CGKO
- * MNOP DHLP
- */
-static void transpose_and_flatten_matrices(u8 *output, const u8 *input,
- int matrices, int row_length)
-{
- int i, j, row, x_offset, matrix_offset, rot_index, y_offset, matrix_size, new_value;
-
- matrix_size = row_length * row_length;
- for (i = 0; i < matrices; i++) {
- row = 0;
- x_offset = 0;
- matrix_offset = i * matrix_size;
- for (j = 0; j < matrix_size; j++) {
- y_offset = j - (row * row_length);
- rot_index = y_offset * row_length + x_offset;
- new_value = *(input + i * matrix_size + j);
- output[matrix_offset + rot_index] = new_value;
- if ((j + 1) % row_length == 0) {
- row += 1;
- x_offset += 1;
- }
- }
- }
-}
-
-static void assemble_scalingfactor0(u8 *output, const struct v4l2_ctrl_hevc_scaling_matrix *input)
-{
- int offset = 0;
-
- transpose_and_flatten_matrices(output, (const u8 *)input->scaling_list_4x4, 6, 4);
- offset = 6 * 16 * sizeof(u8);
- transpose_and_flatten_matrices(output + offset, (const u8 *)input->scaling_list_8x8, 6, 8);
- offset += 6 * 64 * sizeof(u8);
- transpose_and_flatten_matrices(output + offset,
- (const u8 *)input->scaling_list_16x16, 6, 8);
- offset += 6 * 64 * sizeof(u8);
- /* Add a 128 byte padding with 0s between the two 32x32 matrices */
- transpose_and_flatten_matrices(output + offset,
- (const u8 *)input->scaling_list_32x32, 1, 8);
- offset += 64 * sizeof(u8);
- memset(output + offset, 0, 128);
- offset += 128 * sizeof(u8);
- transpose_and_flatten_matrices(output + offset,
- (const u8 *)input->scaling_list_32x32 + (64 * sizeof(u8)),
- 1, 8);
- offset += 64 * sizeof(u8);
- memset(output + offset, 0, 128);
-}
-
-/*
- * Required layout:
- * A = scaling_list_dc_coef_16x16
- * B = scaling_list_dc_coef_32x32
- * 0 = Padding
- *
- * A, A, A, A, A, A, B, 0, 0, B, 0, 0
- */
-static void assemble_scalingdc(u8 *output, const struct v4l2_ctrl_hevc_scaling_matrix *input)
-{
- u8 list_32x32[6] = {0};
-
- memcpy(output, input->scaling_list_dc_coef_16x16, 6 * sizeof(u8));
- list_32x32[0] = input->scaling_list_dc_coef_32x32[0];
- list_32x32[3] = input->scaling_list_dc_coef_32x32[1];
- memcpy(output + 6 * sizeof(u8), list_32x32, 6 * sizeof(u8));
-}
-
-static void translate_scaling_list(struct scaling_factor *output,
- const struct v4l2_ctrl_hevc_scaling_matrix *input)
-{
- assemble_scalingfactor0(output->scalingfactor0, input);
- memcpy(output->scalingfactor1, (const u8 *)input->scaling_list_4x4, 96);
- assemble_scalingdc(output->scalingdc, input);
- memset(output->reserved, 0, 4 * sizeof(u8));
-}
-
-static void assemble_hw_scaling_list(struct rkvdec_ctx *ctx,
- struct rkvdec_hevc_run *run)
-{
- const struct v4l2_ctrl_hevc_scaling_matrix *scaling = run->scaling_matrix;
- struct rkvdec_hevc_ctx *hevc_ctx = ctx->priv;
- struct rkvdec_hevc_priv_tbl *tbl = hevc_ctx->priv_tbl.cpu;
- u8 *dst;
-
- if (!memcmp((void *)&hevc_ctx->scaling_matrix_cache, scaling,
- sizeof(struct v4l2_ctrl_hevc_scaling_matrix)))
- return;
-
- dst = tbl->scaling_list;
- translate_scaling_list((struct scaling_factor *)dst, scaling);
-
- memcpy((void *)&hevc_ctx->scaling_matrix_cache, scaling,
- sizeof(struct v4l2_ctrl_hevc_scaling_matrix));
-}
-
-static struct vb2_buffer *
-get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run,
- unsigned int dpb_idx)
-{
- struct v4l2_m2m_ctx *m2m_ctx = ctx->fh.m2m_ctx;
- const struct v4l2_ctrl_hevc_decode_params *decode_params = run->decode_params;
- const struct v4l2_hevc_dpb_entry *dpb = decode_params->dpb;
- struct vb2_queue *cap_q = &m2m_ctx->cap_q_ctx.q;
- struct vb2_buffer *buf = NULL;
-
- if (dpb_idx < decode_params->num_active_dpb_entries)
- buf = vb2_find_buffer(cap_q, dpb[dpb_idx].timestamp);
-
- /*
- * If a DPB entry is unused or invalid, the address of current destination
- * buffer is returned.
- */
- if (!buf)
- return &run->base.bufs.dst->vb2_buf;
-
- return buf;
-}
-
static void config_registers(struct rkvdec_ctx *ctx,
struct rkvdec_hevc_run *run)
{
@@ -645,43 +501,6 @@ static void config_registers(struct rkvdec_ctx *ctx,
MIN(sizeof(*regs), sizeof(u32) * rkvdec->variant->num_regs));
}

-#define RKVDEC_HEVC_MAX_DEPTH_IN_BYTES 2
-
-static int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx,
- struct v4l2_format *f)
-{
- struct v4l2_pix_format_mplane *fmt = &f->fmt.pix_mp;
-
- fmt->num_planes = 1;
- if (!fmt->plane_fmt[0].sizeimage)
- fmt->plane_fmt[0].sizeimage = fmt->width * fmt->height *
- RKVDEC_HEVC_MAX_DEPTH_IN_BYTES;
- return 0;
-}
-
-static enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx,
- struct v4l2_ctrl *ctrl)
-{
- const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps;
-
- if (ctrl->id != V4L2_CID_STATELESS_HEVC_SPS)
- return RKVDEC_IMG_FMT_ANY;
-
- if (sps->bit_depth_luma_minus8 == 0) {
- if (sps->chroma_format_idc == 2)
- return RKVDEC_IMG_FMT_422_8BIT;
- else
- return RKVDEC_IMG_FMT_420_8BIT;
- } else if (sps->bit_depth_luma_minus8 == 2) {
- if (sps->chroma_format_idc == 2)
- return RKVDEC_IMG_FMT_422_10BIT;
- else
- return RKVDEC_IMG_FMT_420_10BIT;
- }
-
- return RKVDEC_IMG_FMT_ANY;
-}
-
static int rkvdec_hevc_validate_sps(struct rkvdec_ctx *ctx,
const struct v4l2_ctrl_hevc_sps *sps)
{
@@ -692,7 +511,7 @@ static int rkvdec_hevc_validate_sps(struct rkvdec_ctx *ctx,
/* Luma and chroma bit depth mismatch */
return -EINVAL;
if (sps->bit_depth_luma_minus8 != 0 && sps->bit_depth_luma_minus8 != 2)
- /* Only 8-bit and 10-bit is supported */
+ /* Only 8-bit and 10-bit are supported */
return -EINVAL;

if (sps->pic_width_in_luma_samples > ctx->coded_fmt.fmt.pix_mp.width ||
@@ -738,40 +557,18 @@ static void rkvdec_hevc_stop(struct rkvdec_ctx *ctx)
kfree(hevc_ctx);
}

-static void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx,
- struct rkvdec_hevc_run *run)
-{
- struct v4l2_ctrl *ctrl;
-
- ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
- V4L2_CID_STATELESS_HEVC_DECODE_PARAMS);
- run->decode_params = ctrl ? ctrl->p_cur.p : NULL;
- ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
- V4L2_CID_STATELESS_HEVC_SLICE_PARAMS);
- run->slices_params = ctrl ? ctrl->p_cur.p : NULL;
- run->num_slices = ctrl ? ctrl->new_elems : 0;
- ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
- V4L2_CID_STATELESS_HEVC_SPS);
- run->sps = ctrl ? ctrl->p_cur.p : NULL;
- ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
- V4L2_CID_STATELESS_HEVC_PPS);
- run->pps = ctrl ? ctrl->p_cur.p : NULL;
- ctrl = v4l2_ctrl_find(&ctx->ctrl_hdl,
- V4L2_CID_STATELESS_HEVC_SCALING_MATRIX);
- run->scaling_matrix = ctrl ? ctrl->p_cur.p : NULL;
-
- rkvdec_run_preamble(ctx, &run->base);
-}
-
static int rkvdec_hevc_run(struct rkvdec_ctx *ctx)
{
struct rkvdec_dev *rkvdec = ctx->dev;
struct rkvdec_hevc_run run;
+ struct rkvdec_hevc_ctx *hevc_ctx = ctx->priv;
+ struct rkvdec_hevc_priv_tbl *tbl = hevc_ctx->priv_tbl.cpu;
u32 reg;

rkvdec_hevc_run_preamble(ctx, &run);

- assemble_hw_scaling_list(ctx, &run);
+ rkvdec_hevc_assemble_hw_scaling_list(&run, &tbl->scaling_list,
+ &hevc_ctx->scaling_matrix_cache);
assemble_hw_pps(ctx, &run);
assemble_sw_rps(ctx, &run);
config_registers(ctx, &run);
--
2.52.0