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[86.58.17.133]) by smtp.gmail.com with ESMTPSA id y1sm4945908ejl.7.2021.06.06.01.23.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Jun 2021 01:23:38 -0700 (PDT) From: Jernej Skrabec To: mripard@kernel.org, paul.kocialkowski@bootlin.com Cc: mchehab@kernel.org, gregkh@linuxfoundation.org, wens@csie.org, hverkuil-cisco@xs4all.nl, ezequiel@collabora.com, benjamin.gaignard@collabora.com, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Jernej Skrabec Subject: [PATCH 2/2] media: cedrus: hevc: Add support for multiple slices Date: Sun, 6 Jun 2021 10:23:14 +0200 Message-Id: <20210606082314.454193-3-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210606082314.454193-1-jernej.skrabec@gmail.com> References: <20210606082314.454193-1-jernej.skrabec@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Now that segment address is available, support for multi-slice frames can be easily added. Signed-off-by: Jernej Skrabec --- .../staging/media/sunxi/cedrus/cedrus_h265.c | 26 ++++++++++++------- .../staging/media/sunxi/cedrus/cedrus_video.c | 1 + 2 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index 6821e3d05d34..ef0311a16d01 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -247,6 +247,8 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, const struct v4l2_ctrl_hevc_slice_params *slice_params; const struct v4l2_ctrl_hevc_decode_params *decode_params; const struct v4l2_hevc_pred_weight_table *pred_weight_table; + unsigned int width_in_ctb_luma, ctb_size_luma; + unsigned int log2_max_luma_coding_block_size; dma_addr_t src_buf_addr; dma_addr_t src_buf_end_addr; u32 chroma_log2_weight_denom; @@ -260,15 +262,17 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, decode_params = run->h265.decode_params; pred_weight_table = &slice_params->pred_weight_table; + log2_max_luma_coding_block_size = + sps->log2_min_luma_coding_block_size_minus3 + 3 + + sps->log2_diff_max_min_luma_coding_block_size; + ctb_size_luma = 1UL << log2_max_luma_coding_block_size; + width_in_ctb_luma = + DIV_ROUND_UP(sps->pic_width_in_luma_samples, ctb_size_luma); + /* MV column buffer size and allocation. */ if (!ctx->codec.h265.mv_col_buf_size) { unsigned int num_buffers = run->dst->vb2_buf.vb2_queue->num_buffers; - unsigned int log2_max_luma_coding_block_size = - sps->log2_min_luma_coding_block_size_minus3 + 3 + - sps->log2_diff_max_min_luma_coding_block_size; - unsigned int ctb_size_luma = - 1UL << log2_max_luma_coding_block_size; /* * Each CTB requires a MV col buffer with a specific unit size. @@ -322,15 +326,17 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, reg = VE_DEC_H265_BITS_END_ADDR_BASE(src_buf_end_addr); cedrus_write(dev, VE_DEC_H265_BITS_END_ADDR, reg); - /* Coding tree block address: start at the beginning. */ - reg = VE_DEC_H265_DEC_CTB_ADDR_X(0) | VE_DEC_H265_DEC_CTB_ADDR_Y(0); + /* Coding tree block address */ + reg = VE_DEC_H265_DEC_CTB_ADDR_X(slice_params->slice_segment_addr % width_in_ctb_luma); + reg |= VE_DEC_H265_DEC_CTB_ADDR_Y(slice_params->slice_segment_addr / width_in_ctb_luma); cedrus_write(dev, VE_DEC_H265_DEC_CTB_ADDR, reg); cedrus_write(dev, VE_DEC_H265_TILE_START_CTB, 0); cedrus_write(dev, VE_DEC_H265_TILE_END_CTB, 0); /* Clear the number of correctly-decoded coding tree blocks. */ - cedrus_write(dev, VE_DEC_H265_DEC_CTB_NUM, 0); + if (ctx->fh.m2m_ctx->new_frame) + cedrus_write(dev, VE_DEC_H265_DEC_CTB_NUM, 0); /* Initialize bitstream access. */ cedrus_write(dev, VE_DEC_H265_TRIGGER, VE_DEC_H265_TRIGGER_INIT_SWDEC); @@ -482,8 +488,8 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx, V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT, slice_params->flags); - /* FIXME: For multi-slice support. */ - reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_FIRST_SLICE_SEGMENT_IN_PIC; + if (ctx->fh.m2m_ctx->new_frame) + reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_FIRST_SLICE_SEGMENT_IN_PIC; cedrus_write(dev, VE_DEC_H265_DEC_SLICE_HDR_INFO0, reg); diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c index 9ddd789d0b1f..247ff90a26b9 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c @@ -340,6 +340,7 @@ static int cedrus_s_fmt_vid_out(struct file *file, void *priv, switch (ctx->src_fmt.pixelformat) { case V4L2_PIX_FMT_H264_SLICE: + case V4L2_PIX_FMT_HEVC_SLICE: vq->subsystem_flags |= VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF; break;