[PATCH v1 2/7] media: verisilicon: AV1: Use alloc/free helpers for auxiliary buffers
From: Benjamin Gaignard
Date: Wed Sep 16 2026 - 09:18:29 EST
Simplify and clean up the code by using the helpers.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
---
.../media/platform/verisilicon/hantro_av1.c | 177 ++++--------------
1 file changed, 39 insertions(+), 138 deletions(-)
diff --git a/drivers/media/platform/verisilicon/hantro_av1.c b/drivers/media/platform/verisilicon/hantro_av1.c
index 2cde32f0e935..e05816c7dfa3 100644
--- a/drivers/media/platform/verisilicon/hantro_av1.c
+++ b/drivers/media/platform/verisilicon/hantro_av1.c
@@ -235,40 +235,17 @@ size_t hantro_av1_chroma_size(struct hantro_ctx *ctx)
static void hantro_av1_tiles_free(struct hantro_ctx *ctx)
{
- struct hantro_dev *vpu = ctx->dev;
struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
- if (av1_dec->db_data_col.cpu)
- dma_free_coherent(vpu->dev, av1_dec->db_data_col.size,
- av1_dec->db_data_col.cpu,
- av1_dec->db_data_col.dma);
- av1_dec->db_data_col.cpu = NULL;
-
- if (av1_dec->db_ctrl_col.cpu)
- dma_free_coherent(vpu->dev, av1_dec->db_ctrl_col.size,
- av1_dec->db_ctrl_col.cpu,
- av1_dec->db_ctrl_col.dma);
- av1_dec->db_ctrl_col.cpu = NULL;
-
- if (av1_dec->cdef_col.cpu)
- dma_free_coherent(vpu->dev, av1_dec->cdef_col.size,
- av1_dec->cdef_col.cpu, av1_dec->cdef_col.dma);
- av1_dec->cdef_col.cpu = NULL;
-
- if (av1_dec->sr_col.cpu)
- dma_free_coherent(vpu->dev, av1_dec->sr_col.size,
- av1_dec->sr_col.cpu, av1_dec->sr_col.dma);
- av1_dec->sr_col.cpu = NULL;
-
- if (av1_dec->lr_col.cpu)
- dma_free_coherent(vpu->dev, av1_dec->lr_col.size,
- av1_dec->lr_col.cpu, av1_dec->lr_col.dma);
- av1_dec->lr_col.cpu = NULL;
+ hantro_free_aux_buf(ctx, &av1_dec->db_data_col);
+ hantro_free_aux_buf(ctx, &av1_dec->db_ctrl_col);
+ hantro_free_aux_buf(ctx, &av1_dec->cdef_col);
+ hantro_free_aux_buf(ctx, &av1_dec->sr_col);
+ hantro_free_aux_buf(ctx, &av1_dec->lr_col);
}
static int hantro_av1_tiles_reallocate(struct hantro_ctx *ctx)
{
- struct hantro_dev *vpu = ctx->dev;
struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
struct hantro_av1_dec_ctrls *ctrls = &av1_dec->ctrls;
const struct v4l2_av1_tile_info *tile_info = &ctrls->frame->tile_info;
@@ -277,6 +254,7 @@ static int hantro_av1_tiles_reallocate(struct hantro_ctx *ctx)
unsigned int height_in_sb = height / 64;
unsigned int stripe_num = ((height + 8) + 63) / 64;
size_t size;
+ int ret;
if (av1_dec->db_data_col.size >=
ALIGN(height * 12 * ctx->bit_depth / 8, 128) * num_tile_cols)
@@ -285,44 +263,22 @@ static int hantro_av1_tiles_reallocate(struct hantro_ctx *ctx)
hantro_av1_tiles_free(ctx);
size = ALIGN(height * 12 * ctx->bit_depth / 8, 128) * num_tile_cols;
- av1_dec->db_data_col.cpu = dma_alloc_coherent(vpu->dev, size,
- &av1_dec->db_data_col.dma,
- GFP_KERNEL);
- if (!av1_dec->db_data_col.cpu)
- goto buffer_allocation_error;
- av1_dec->db_data_col.size = size;
+ ret = hantro_allocate_aux_buf(ctx, &av1_dec->db_data_col, size);
size = ALIGN(height * 2 * 16 / 4, 128) * num_tile_cols;
- av1_dec->db_ctrl_col.cpu = dma_alloc_coherent(vpu->dev, size,
- &av1_dec->db_ctrl_col.dma,
- GFP_KERNEL);
- if (!av1_dec->db_ctrl_col.cpu)
- goto buffer_allocation_error;
- av1_dec->db_ctrl_col.size = size;
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->db_ctrl_col, size);
size = ALIGN(height_in_sb * 44 * ctx->bit_depth * 16 / 8, 128) * num_tile_cols;
- av1_dec->cdef_col.cpu = dma_alloc_coherent(vpu->dev, size,
- &av1_dec->cdef_col.dma,
- GFP_KERNEL);
- if (!av1_dec->cdef_col.cpu)
- goto buffer_allocation_error;
- av1_dec->cdef_col.size = size;
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->cdef_col, size);
size = ALIGN(height_in_sb * (3040 + 1280), 128) * num_tile_cols;
- av1_dec->sr_col.cpu = dma_alloc_coherent(vpu->dev, size,
- &av1_dec->sr_col.dma,
- GFP_KERNEL);
- if (!av1_dec->sr_col.cpu)
- goto buffer_allocation_error;
- av1_dec->sr_col.size = size;
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->sr_col, size);
size = ALIGN(stripe_num * 1536 * ctx->bit_depth / 8, 128) * num_tile_cols;
- av1_dec->lr_col.cpu = dma_alloc_coherent(vpu->dev, size,
- &av1_dec->lr_col.dma,
- GFP_KERNEL);
- if (!av1_dec->lr_col.cpu)
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->lr_col, size);
+
+ if (ret)
goto buffer_allocation_error;
- av1_dec->lr_col.size = size;
av1_dec->num_tile_cols_allocated = num_tile_cols;
return 0;
@@ -334,105 +290,50 @@ static int hantro_av1_tiles_reallocate(struct hantro_ctx *ctx)
void hantro_av1_exit(struct hantro_ctx *ctx)
{
- struct hantro_dev *vpu = ctx->dev;
struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
- if (av1_dec->global_model.cpu)
- dma_free_coherent(vpu->dev, av1_dec->global_model.size,
- av1_dec->global_model.cpu,
- av1_dec->global_model.dma);
- av1_dec->global_model.cpu = NULL;
-
- if (av1_dec->tile_info.cpu)
- dma_free_coherent(vpu->dev, av1_dec->tile_info.size,
- av1_dec->tile_info.cpu,
- av1_dec->tile_info.dma);
- av1_dec->tile_info.cpu = NULL;
-
- if (av1_dec->film_grain.cpu)
- dma_free_coherent(vpu->dev, av1_dec->film_grain.size,
- av1_dec->film_grain.cpu,
- av1_dec->film_grain.dma);
- av1_dec->film_grain.cpu = NULL;
-
- if (av1_dec->prob_tbl.cpu)
- dma_free_coherent(vpu->dev, av1_dec->prob_tbl.size,
- av1_dec->prob_tbl.cpu, av1_dec->prob_tbl.dma);
- av1_dec->prob_tbl.cpu = NULL;
-
- if (av1_dec->prob_tbl_out.cpu)
- dma_free_coherent(vpu->dev, av1_dec->prob_tbl_out.size,
- av1_dec->prob_tbl_out.cpu,
- av1_dec->prob_tbl_out.dma);
- av1_dec->prob_tbl_out.cpu = NULL;
-
- if (av1_dec->tile_buf.cpu)
- dma_free_coherent(vpu->dev, av1_dec->tile_buf.size,
- av1_dec->tile_buf.cpu, av1_dec->tile_buf.dma);
- av1_dec->tile_buf.cpu = NULL;
+ hantro_free_aux_buf(ctx, &av1_dec->global_model);
+ hantro_free_aux_buf(ctx, &av1_dec->tile_info);
+ hantro_free_aux_buf(ctx, &av1_dec->film_grain);
+ hantro_free_aux_buf(ctx, &av1_dec->prob_tbl);
+ hantro_free_aux_buf(ctx, &av1_dec->prob_tbl_out);
hantro_av1_tiles_free(ctx);
}
int hantro_av1_init(struct hantro_ctx *ctx)
{
- struct hantro_dev *vpu = ctx->dev;
struct hantro_av1_dec_hw_ctx *av1_dec = &ctx->av1_dec;
+ int ret = 0;
memset(av1_dec, 0, sizeof(*av1_dec));
- av1_dec->global_model.cpu = dma_alloc_coherent(vpu->dev, GLOBAL_MODEL_SIZE,
- &av1_dec->global_model.dma,
- GFP_KERNEL);
- if (!av1_dec->global_model.cpu)
- return -ENOMEM;
- av1_dec->global_model.size = GLOBAL_MODEL_SIZE;
-
- av1_dec->tile_info.cpu = dma_alloc_coherent(vpu->dev, AV1_TILE_INFO_SIZE,
- &av1_dec->tile_info.dma,
- GFP_KERNEL);
- if (!av1_dec->tile_info.cpu)
- return -ENOMEM;
- av1_dec->tile_info.size = AV1_TILE_INFO_SIZE;
-
- av1_dec->film_grain.cpu = dma_alloc_coherent(vpu->dev,
- ALIGN(sizeof(struct hantro_av1_film_grain),
- 2048),
- &av1_dec->film_grain.dma,
- GFP_KERNEL);
- if (!av1_dec->film_grain.cpu)
- return -ENOMEM;
- av1_dec->film_grain.size = ALIGN(sizeof(struct hantro_av1_film_grain), 2048);
-
- av1_dec->prob_tbl.cpu = dma_alloc_coherent(vpu->dev,
- ALIGN(sizeof(struct av1cdfs), 2048),
- &av1_dec->prob_tbl.dma,
- GFP_KERNEL);
- if (!av1_dec->prob_tbl.cpu)
- return -ENOMEM;
- av1_dec->prob_tbl.size = ALIGN(sizeof(struct av1cdfs), 2048);
-
- av1_dec->prob_tbl_out.cpu = dma_alloc_coherent(vpu->dev,
- ALIGN(sizeof(struct av1cdfs), 2048),
- &av1_dec->prob_tbl_out.dma,
- GFP_KERNEL);
- if (!av1_dec->prob_tbl_out.cpu)
- return -ENOMEM;
- av1_dec->prob_tbl_out.size = ALIGN(sizeof(struct av1cdfs), 2048);
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->global_model, GLOBAL_MODEL_SIZE);
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->tile_info, AV1_TILE_INFO_SIZE);
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->film_grain,
+ ALIGN(sizeof(struct hantro_av1_film_grain), 2048));
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->prob_tbl,
+ ALIGN(sizeof(struct av1cdfs), 2048));
+ ret |= hantro_allocate_aux_buf(ctx, &av1_dec->prob_tbl_out,
+ ALIGN(sizeof(struct av1cdfs), 2048));
+ if (ret)
+ goto buffer_allocation_error;
+
av1_dec->cdfs = &av1_dec->default_cdfs;
av1_dec->cdfs_ndvc = &av1_dec->default_cdfs_ndvc;
hantro_av1_set_default_cdfs(av1_dec->cdfs, av1_dec->cdfs_ndvc);
- av1_dec->tile_buf.cpu = dma_alloc_coherent(vpu->dev,
- AV1_TILE_SIZE,
- &av1_dec->tile_buf.dma,
- GFP_KERNEL);
- if (!av1_dec->tile_buf.cpu)
- return -ENOMEM;
- av1_dec->tile_buf.size = AV1_TILE_SIZE;
-
return 0;
+
+buffer_allocation_error:
+ hantro_free_aux_buf(ctx, &av1_dec->global_model);
+ hantro_free_aux_buf(ctx, &av1_dec->tile_info);
+ hantro_free_aux_buf(ctx, &av1_dec->film_grain);
+ hantro_free_aux_buf(ctx, &av1_dec->prob_tbl);
+ hantro_free_aux_buf(ctx, &av1_dec->prob_tbl_out);
+
+ return -ENOMEM;
}
int hantro_av1_prepare_run(struct hantro_ctx *ctx)
--
2.53.0