From cd7c3fef2f3a51d13730fd4ad2fae72e98b43e86 Mon Sep 17 00:00:00 2001 From: Jernej Skrabec Date: Sat, 16 Dec 2023 14:09:25 +0100 Subject: media: cedrus: h265: Fix configuring bitstream size [ Upstream commit 3a11887f7f11a6bb1f05e7f67b3ea20dadfec443 ] bit_size field holds size of slice, not slice + header. Because of HW quirks, driver can't program in just slice, but also preceding header. But that means that currently used bit_size is wrong (too small). Instead, just use size of whole buffer. There is no harm in doing this. Fixes: 86caab29da78 ("media: cedrus: Add HEVC/H.265 decoding support") Suggested-by: Paul Kocialkowski Signed-off-by: Jernej Skrabec Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/staging/media') diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index 52e94c8f2f01..780da4a8b5af 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -427,11 +427,11 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) unsigned int ctb_addr_x, ctb_addr_y; struct cedrus_buffer *cedrus_buf; dma_addr_t src_buf_addr; - dma_addr_t src_buf_end_addr; u32 chroma_log2_weight_denom; u32 num_entry_point_offsets; u32 output_pic_list_index; u32 pic_order_cnt[2]; + size_t slice_bytes; u8 padding; int count; u32 reg; @@ -443,6 +443,7 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) pred_weight_table = &slice_params->pred_weight_table; num_entry_point_offsets = slice_params->num_entry_point_offsets; cedrus_buf = vb2_to_cedrus_buffer(&run->dst->vb2_buf); + slice_bytes = vb2_get_plane_payload(&run->src->vb2_buf, 0); /* * If entry points offsets are present, we should get them @@ -490,7 +491,7 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) cedrus_write(dev, VE_DEC_H265_BITS_OFFSET, 0); - reg = slice_params->bit_size; + reg = slice_bytes * 8; cedrus_write(dev, VE_DEC_H265_BITS_LEN, reg); /* Source beginning and end addresses. */ @@ -504,10 +505,7 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run) cedrus_write(dev, VE_DEC_H265_BITS_ADDR, reg); - src_buf_end_addr = src_buf_addr + - DIV_ROUND_UP(slice_params->bit_size, 8); - - reg = VE_DEC_H265_BITS_END_ADDR_BASE(src_buf_end_addr); + reg = VE_DEC_H265_BITS_END_ADDR_BASE(src_buf_addr + slice_bytes); cedrus_write(dev, VE_DEC_H265_BITS_END_ADDR, reg); /* Coding tree block address */ -- cgit v1.2.3