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([87.200.95.144]) by smtp.gmail.com with ESMTPSA id v7-20020a05600c470700b003ed2a458a7asm2710590wmo.44.2023.03.14.04.43.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Mar 2023 04:43:25 -0700 (PDT) From: Christian Hewitt To: Neil Armstrong , Mauro Carvalho Chehab , Greg Kroah-Hartman , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Christian Hewitt , Benjamin Roszak Subject: [PATCH v3 1/2] media: meson: vdec: implement 10bit bitstream handling Date: Tue, 14 Mar 2023 11:43:17 +0000 Message-Id: <20230314114318.4057353-2-christianshewitt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230314114318.4057353-1-christianshewitt@gmail.com> References: <20230314114318.4057353-1-christianshewitt@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Benjamin Roszak In order to support 10bit bitstream decoding, buffers and MMU handling must be cleaned up to support either downscale output from compressed 10bit decoding to uncompressed 8bit NV12 output or to compressed 10bit proprietary encoded frame format. For that, "am21c" name is moved to "amfbc" to reflect the upstream Amlogic Compressed framebuffer modifier naming. Compressed frame buffers allocation is also cleaned up so it can be shared with the HEVC decoder implementation. Signed-off-by: Benjamin Roszak Signed-off-by: Christian Hewitt --- drivers/staging/media/meson/vdec/codec_h264.c | 3 +- .../media/meson/vdec/codec_hevc_common.c | 161 +++++++++++------- .../media/meson/vdec/codec_hevc_common.h | 3 +- drivers/staging/media/meson/vdec/codec_vp9.c | 35 ++-- drivers/staging/media/meson/vdec/esparser.c | 1 + drivers/staging/media/meson/vdec/vdec.h | 1 + .../staging/media/meson/vdec/vdec_helpers.c | 44 +++-- .../staging/media/meson/vdec/vdec_helpers.h | 10 +- 8 files changed, 161 insertions(+), 97 deletions(-) diff --git a/drivers/staging/media/meson/vdec/codec_h264.c b/drivers/staging/media/meson/vdec/codec_h264.c index c61128fc4bb9..d53c9a464bde 100644 --- a/drivers/staging/media/meson/vdec/codec_h264.c +++ b/drivers/staging/media/meson/vdec/codec_h264.c @@ -353,7 +353,8 @@ static void codec_h264_src_change(struct amvdec_session *sess) frame_width, frame_height, crop_right, crop_bottom); codec_h264_set_par(sess); - amvdec_src_change(sess, frame_width, frame_height, h264->max_refs + 5); + amvdec_src_change(sess, frame_width, frame_height, + h264->max_refs + 5, 8); } /* diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.c b/drivers/staging/media/meson/vdec/codec_hevc_common.c index 0315cc0911cd..1c74b4837dcb 100644 --- a/drivers/staging/media/meson/vdec/codec_hevc_common.c +++ b/drivers/staging/media/meson/vdec/codec_hevc_common.c @@ -30,8 +30,11 @@ const u16 vdec_hevc_parser_cmd[] = { void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit) { struct amvdec_core *core = sess->core; - u32 body_size = amvdec_am21c_body_size(sess->width, sess->height); - u32 head_size = amvdec_am21c_head_size(sess->width, sess->height); + u32 use_mmu = codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, is_10bit); + u32 body_size = amvdec_amfbc_body_size(sess->width, sess->height, + is_10bit, use_mmu); + u32 head_size = amvdec_amfbc_head_size(sess->width, sess->height); if (!codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) { /* Enable 2-plane reference read mode */ @@ -39,9 +42,17 @@ void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit) return; } + /* enable mem saving mode for 8-bit */ + if (!is_10bit) + amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(9)); + else + amvdec_clear_dos_bits(core, HEVC_SAO_CTRL5, BIT(9)); + if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, is_10bit)) amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(4)); + else if (!is_10bit) + amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, BIT(3)); else amvdec_write_dos(core, HEVCD_MPP_DECOMP_CTL1, 0); @@ -73,7 +84,7 @@ static void codec_hevc_setup_buffers_gxbb(struct amvdec_session *sess, idx = vb->index; - if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) + if (codec_hevc_use_fbc(sess->pixfmt_cap, is_10bit)) buf_y_paddr = comm->fbc_buffer_paddr[idx]; else buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); @@ -114,8 +125,8 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, { struct amvdec_core *core = sess->core; struct v4l2_m2m_buffer *buf; - u32 revision = core->platform->revision; u32 pixfmt_cap = sess->pixfmt_cap; + const u32 revision = core->platform->revision; int i; amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_CONF_ADDR, @@ -127,12 +138,14 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, dma_addr_t buf_uv_paddr = 0; u32 idx = vb->index; - if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit)) - buf_y_paddr = comm->mmu_header_paddr[idx]; - else if (codec_hevc_use_downsample(pixfmt_cap, is_10bit)) - buf_y_paddr = comm->fbc_buffer_paddr[idx]; - else + if (codec_hevc_use_downsample(pixfmt_cap, is_10bit)) { + if (codec_hevc_use_mmu(revision, pixfmt_cap, is_10bit)) + buf_y_paddr = comm->mmu_header_paddr[idx]; + else + buf_y_paddr = comm->fbc_buffer_paddr[idx]; + } else { buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); + } amvdec_write_dos(core, HEVCD_MPP_ANC2AXI_TBL_DATA, buf_y_paddr >> 5); @@ -150,60 +163,67 @@ static void codec_hevc_setup_buffers_gxl(struct amvdec_session *sess, amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_DATA_ADDR, 0); } -void codec_hevc_free_fbc_buffers(struct amvdec_session *sess, +void codec_hevc_free_mmu_headers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; - u32 am21_size = amvdec_am21c_size(sess->width, sess->height); int i; for (i = 0; i < MAX_REF_PIC_NUM; ++i) { - if (comm->fbc_buffer_vaddr[i]) { - dma_free_coherent(dev, am21_size, - comm->fbc_buffer_vaddr[i], - comm->fbc_buffer_paddr[i]); - comm->fbc_buffer_vaddr[i] = NULL; + if (comm->mmu_header_vaddr[i]) { + dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE, + comm->mmu_header_vaddr[i], + comm->mmu_header_paddr[i]); + comm->mmu_header_vaddr[i] = NULL; } } } -EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers); +EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers); -static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess, +static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; struct v4l2_m2m_buffer *buf; - u32 am21_size = amvdec_am21c_size(sess->width, sess->height); v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) { u32 idx = buf->vb.vb2_buf.index; dma_addr_t paddr; - void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr, - GFP_KERNEL); + void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE, + &paddr, GFP_KERNEL); if (!vaddr) { - codec_hevc_free_fbc_buffers(sess, comm); + codec_hevc_free_mmu_headers(sess, comm); return -ENOMEM; } - comm->fbc_buffer_vaddr[idx] = vaddr; - comm->fbc_buffer_paddr[idx] = paddr; + comm->mmu_header_vaddr[idx] = vaddr; + comm->mmu_header_paddr[idx] = paddr; } return 0; } -void codec_hevc_free_mmu_headers(struct amvdec_session *sess, +void codec_hevc_free_fbc_buffers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; + u32 use_mmu; + u32 am21_size; int i; + use_mmu = codec_hevc_use_mmu(sess->core->platform->revision, + sess->pixfmt_cap, + sess->bitdepth == 10 ? 1 : 0); + + am21_size = amvdec_amfbc_size(sess->width, sess->height, + sess->bitdepth == 10 ? 1 : 0, use_mmu); + for (i = 0; i < MAX_REF_PIC_NUM; ++i) { - if (comm->mmu_header_vaddr[i]) { - dma_free_coherent(dev, MMU_COMPRESS_HEADER_SIZE, - comm->mmu_header_vaddr[i], - comm->mmu_header_paddr[i]); - comm->mmu_header_vaddr[i] = NULL; + if (comm->fbc_buffer_vaddr[i]) { + dma_free_coherent(dev, am21_size, + comm->fbc_buffer_vaddr[i], + comm->fbc_buffer_paddr[i]); + comm->fbc_buffer_vaddr[i] = NULL; } } @@ -213,33 +233,50 @@ void codec_hevc_free_mmu_headers(struct amvdec_session *sess, comm->mmu_map_paddr); comm->mmu_map_vaddr = NULL; } + + codec_hevc_free_mmu_headers(sess, comm); } -EXPORT_SYMBOL_GPL(codec_hevc_free_mmu_headers); +EXPORT_SYMBOL_GPL(codec_hevc_free_fbc_buffers); -static int codec_hevc_alloc_mmu_headers(struct amvdec_session *sess, +static int codec_hevc_alloc_fbc_buffers(struct amvdec_session *sess, struct codec_hevc_common *comm) { struct device *dev = sess->core->dev; struct v4l2_m2m_buffer *buf; + u32 use_mmu; + u32 am21_size; + const u32 revision = sess->core->platform->revision; + const u32 is_10bit = sess->bitdepth == 10 ? 1 : 0; + int ret; - comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE, - &comm->mmu_map_paddr, - GFP_KERNEL); - if (!comm->mmu_map_vaddr) - return -ENOMEM; + use_mmu = codec_hevc_use_mmu(revision, sess->pixfmt_cap, + is_10bit); + + am21_size = amvdec_amfbc_size(sess->width, sess->height, + is_10bit, use_mmu); v4l2_m2m_for_each_dst_buf(sess->m2m_ctx, buf) { u32 idx = buf->vb.vb2_buf.index; dma_addr_t paddr; - void *vaddr = dma_alloc_coherent(dev, MMU_COMPRESS_HEADER_SIZE, - &paddr, GFP_KERNEL); + + void *vaddr = dma_alloc_coherent(dev, am21_size, &paddr, + GFP_KERNEL); if (!vaddr) { - codec_hevc_free_mmu_headers(sess, comm); + codec_hevc_free_fbc_buffers(sess, comm); return -ENOMEM; } - comm->mmu_header_vaddr[idx] = vaddr; - comm->mmu_header_paddr[idx] = paddr; + comm->fbc_buffer_vaddr[idx] = vaddr; + comm->fbc_buffer_paddr[idx] = paddr; + } + + if (codec_hevc_use_mmu(revision, sess->pixfmt_cap, is_10bit) && + codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { + ret = codec_hevc_alloc_mmu_headers(sess, comm); + if (ret) { + codec_hevc_free_fbc_buffers(sess, comm); + return ret; + } } return 0; @@ -250,21 +287,24 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess, int is_10bit) { struct amvdec_core *core = sess->core; + struct device *dev = core->dev; int ret; - if (codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { - ret = codec_hevc_alloc_fbc_buffers(sess, comm); - if (ret) - return ret; + if (codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, is_10bit)) { + comm->mmu_map_vaddr = dma_alloc_coherent(dev, MMU_MAP_SIZE, + &comm->mmu_map_paddr, + GFP_KERNEL); + if (!comm->mmu_map_vaddr) + return -ENOMEM; } if (codec_hevc_use_mmu(core->platform->revision, - sess->pixfmt_cap, is_10bit)) { - ret = codec_hevc_alloc_mmu_headers(sess, comm); - if (ret) { - codec_hevc_free_fbc_buffers(sess, comm); + sess->pixfmt_cap, is_10bit) || + codec_hevc_use_downsample(sess->pixfmt_cap, is_10bit)) { + ret = codec_hevc_alloc_fbc_buffers(sess, comm); + if (ret) return ret; - } } if (core->platform->revision == VDEC_REVISION_GXBB) @@ -278,19 +318,24 @@ EXPORT_SYMBOL_GPL(codec_hevc_setup_buffers); void codec_hevc_fill_mmu_map(struct amvdec_session *sess, struct codec_hevc_common *comm, - struct vb2_buffer *vb) + struct vb2_buffer *vb, + u32 is_10bit) { - u32 size = amvdec_am21c_size(sess->width, sess->height); - u32 nb_pages = size / PAGE_SIZE; + u32 use_mmu; + u32 size; + u32 nb_pages; u32 *mmu_map = comm->mmu_map_vaddr; u32 first_page; u32 i; - if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) - first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT; - else - first_page = vb2_dma_contig_plane_dma_addr(vb, 0) >> PAGE_SHIFT; + use_mmu = codec_hevc_use_mmu(sess->core->platform->revision, + sess->pixfmt_cap, is_10bit); + + size = amvdec_amfbc_size(sess->width, sess->height, is_10bit, + use_mmu); + nb_pages = size / PAGE_SIZE; + first_page = comm->fbc_buffer_paddr[vb->index] >> PAGE_SHIFT; for (i = 0; i < nb_pages; ++i) mmu_map[i] = first_page + i; } diff --git a/drivers/staging/media/meson/vdec/codec_hevc_common.h b/drivers/staging/media/meson/vdec/codec_hevc_common.h index cf072b8a9da2..13f9f1d90a94 100644 --- a/drivers/staging/media/meson/vdec/codec_hevc_common.h +++ b/drivers/staging/media/meson/vdec/codec_hevc_common.h @@ -64,6 +64,7 @@ int codec_hevc_setup_buffers(struct amvdec_session *sess, void codec_hevc_fill_mmu_map(struct amvdec_session *sess, struct codec_hevc_common *comm, - struct vb2_buffer *vb); + struct vb2_buffer *vb, + u32 is_10bit); #endif diff --git a/drivers/staging/media/meson/vdec/codec_vp9.c b/drivers/staging/media/meson/vdec/codec_vp9.c index 394df5761556..8e3bbf0db4b3 100644 --- a/drivers/staging/media/meson/vdec/codec_vp9.c +++ b/drivers/staging/media/meson/vdec/codec_vp9.c @@ -458,12 +458,6 @@ struct codec_vp9 { struct list_head ref_frames_list; u32 frames_num; - /* In case of downsampling (decoding with FBC but outputting in NV12M), - * we need to allocate additional buffers for FBC. - */ - void *fbc_buffer_vaddr[MAX_REF_PIC_NUM]; - dma_addr_t fbc_buffer_paddr[MAX_REF_PIC_NUM]; - int ref_frame_map[REF_FRAMES]; int next_ref_frame_map[REF_FRAMES]; struct vp9_frame *frame_refs[REFS_PER_FRAME]; @@ -901,11 +895,8 @@ static void codec_vp9_set_sao(struct amvdec_session *sess, buf_y_paddr = vb2_dma_contig_plane_dma_addr(vb, 0); - if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) { - val = amvdec_read_dos(core, HEVC_SAO_CTRL5) & ~0xff0200; - amvdec_write_dos(core, HEVC_SAO_CTRL5, val); + if (codec_hevc_use_fbc(sess->pixfmt_cap, vp9->is_10bit)) amvdec_write_dos(core, HEVC_CM_BODY_START_ADDR, buf_y_paddr); - } if (sess->pixfmt_cap == V4L2_PIX_FMT_NV12M) { buf_y_paddr = @@ -920,8 +911,13 @@ static void codec_vp9_set_sao(struct amvdec_session *sess, if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, vp9->is_10bit)) { - amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, - vp9->common.mmu_header_paddr[vb->index]); + dma_addr_t header_adr; + + if (codec_hevc_use_downsample(sess->pixfmt_cap, vp9->is_10bit)) + header_adr = vp9->common.mmu_header_paddr[vb->index]; + else + header_adr = vb2_dma_contig_plane_dma_addr(vb, 0); + amvdec_write_dos(core, HEVC_CM_HEADER_START_ADDR, header_adr); /* use HEVC_CM_HEADER_START_ADDR */ amvdec_write_dos_bits(core, HEVC_SAO_CTRL5, BIT(10)); } @@ -1148,9 +1144,13 @@ static void codec_vp9_set_mc(struct amvdec_session *sess, { struct amvdec_core *core = sess->core; u32 scale = 0; + u32 use_mmu; u32 sz; int i; + use_mmu = codec_hevc_use_mmu(core->platform->revision, + sess->pixfmt_cap, vp9->is_10bit); + amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, 1); codec_vp9_set_refs(sess, vp9); amvdec_write_dos(core, HEVCD_MPP_ANC_CANVAS_ACCCONFIG_ADDR, @@ -1166,8 +1166,9 @@ static void codec_vp9_set_mc(struct amvdec_session *sess, vp9->frame_refs[i]->height != vp9->height) scale = 1; - sz = amvdec_am21c_body_size(vp9->frame_refs[i]->width, - vp9->frame_refs[i]->height); + sz = amvdec_amfbc_body_size(vp9->frame_refs[i]->width, + vp9->frame_refs[i]->height, + vp9->is_10bit, use_mmu); amvdec_write_dos(core, VP9D_MPP_REFINFO_DATA, vp9->frame_refs[i]->width); @@ -1283,7 +1284,8 @@ static void codec_vp9_process_frame(struct amvdec_session *sess) if (codec_hevc_use_mmu(core->platform->revision, sess->pixfmt_cap, vp9->is_10bit)) codec_hevc_fill_mmu_map(sess, &vp9->common, - &vp9->cur_frame->vbuf->vb2_buf); + &vp9->cur_frame->vbuf->vb2_buf, + vp9->is_10bit); intra_only = param->p.show_frame ? 0 : param->p.intra_only; @@ -2130,7 +2132,8 @@ static irqreturn_t codec_vp9_threaded_isr(struct amvdec_session *sess) codec_vp9_fetch_rpm(sess); if (codec_vp9_process_rpm(vp9)) { - amvdec_src_change(sess, vp9->width, vp9->height, 16); + amvdec_src_change(sess, vp9->width, vp9->height, 16, + vp9->is_10bit ? 10 : 8); /* No frame is actually processed */ vp9->cur_frame = NULL; diff --git a/drivers/staging/media/meson/vdec/esparser.c b/drivers/staging/media/meson/vdec/esparser.c index 1904d58875ad..3cd29ab4f979 100644 --- a/drivers/staging/media/meson/vdec/esparser.c +++ b/drivers/staging/media/meson/vdec/esparser.c @@ -320,6 +320,7 @@ esparser_queue(struct amvdec_session *sess, struct vb2_v4l2_buffer *vbuf) if (esparser_vififo_get_free_space(sess) < payload_size || atomic_read(&sess->esparser_queued_bufs) >= num_dst_bufs) return -EAGAIN; + } else if (esparser_vififo_get_free_space(sess) < payload_size) { return -EAGAIN; } diff --git a/drivers/staging/media/meson/vdec/vdec.h b/drivers/staging/media/meson/vdec/vdec.h index 0906b8fb5cc6..a48170fe4cff 100644 --- a/drivers/staging/media/meson/vdec/vdec.h +++ b/drivers/staging/media/meson/vdec/vdec.h @@ -244,6 +244,7 @@ struct amvdec_session { u32 width; u32 height; u32 colorspace; + u32 bitdepth; u8 ycbcr_enc; u8 quantization; u8 xfer_func; diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.c b/drivers/staging/media/meson/vdec/vdec_helpers.c index 7d2a75653250..fef76142f0c5 100644 --- a/drivers/staging/media/meson/vdec/vdec_helpers.c +++ b/drivers/staging/media/meson/vdec/vdec_helpers.c @@ -50,32 +50,40 @@ void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val) } EXPORT_SYMBOL_GPL(amvdec_write_parser); -/* 4 KiB per 64x32 block */ -u32 amvdec_am21c_body_size(u32 width, u32 height) +/* AMFBC body is made out of 64x32 blocks with varying block size */ +u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu) { u32 width_64 = ALIGN(width, 64) / 64; u32 height_32 = ALIGN(height, 32) / 32; + u32 blk_size = 4096; - return SZ_4K * width_64 * height_32; + if (!is_10bit) { + if (use_mmu) + blk_size = 3200; + else + blk_size = 3072; + } + + return blk_size * width_64 * height_32; } -EXPORT_SYMBOL_GPL(amvdec_am21c_body_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_body_size); /* 32 bytes per 128x64 block */ -u32 amvdec_am21c_head_size(u32 width, u32 height) +u32 amvdec_amfbc_head_size(u32 width, u32 height) { u32 width_128 = ALIGN(width, 128) / 128; u32 height_64 = ALIGN(height, 64) / 64; return 32 * width_128 * height_64; } -EXPORT_SYMBOL_GPL(amvdec_am21c_head_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_head_size); -u32 amvdec_am21c_size(u32 width, u32 height) +u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu) { - return ALIGN(amvdec_am21c_body_size(width, height) + - amvdec_am21c_head_size(width, height), SZ_64K); + return ALIGN(amvdec_amfbc_body_size(width, height, is_10bit, use_mmu) + + amvdec_amfbc_head_size(width, height), SZ_64K); } -EXPORT_SYMBOL_GPL(amvdec_am21c_size); +EXPORT_SYMBOL_GPL(amvdec_amfbc_size); static int canvas_alloc(struct amvdec_session *sess, u8 *canvas_id) { @@ -440,7 +448,7 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess, EXPORT_SYMBOL_GPL(amvdec_set_par_from_dar); void amvdec_src_change(struct amvdec_session *sess, u32 width, - u32 height, u32 dpb_size) + u32 height, u32 dpb_size, u32 bitdepth) { static const struct v4l2_event ev = { .type = V4L2_EVENT_SOURCE_CHANGE, @@ -448,25 +456,27 @@ void amvdec_src_change(struct amvdec_session *sess, u32 width, v4l2_ctrl_s_ctrl(sess->ctrl_min_buf_capture, dpb_size); + sess->bitdepth = bitdepth; + /* * Check if the capture queue is already configured well for our - * usecase. If so, keep decoding with it and do not send the event + * usecase. If so, keep decoding with it. */ if (sess->streamon_cap && sess->width == width && sess->height == height && dpb_size <= sess->num_dst_bufs) { sess->fmt_out->codec_ops->resume(sess); - return; + } else { + sess->status = STATUS_NEEDS_RESUME; + sess->changed_format = 0; } - sess->changed_format = 0; sess->width = width; sess->height = height; - sess->status = STATUS_NEEDS_RESUME; - dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB size %u\n", - width, height, dpb_size); + dev_dbg(sess->core->dev, "Res. changed (%ux%u), DPB %u, bitdepth %u\n", + width, height, dpb_size, bitdepth); v4l2_event_queue_fh(&sess->fh, &ev); } EXPORT_SYMBOL_GPL(amvdec_src_change); diff --git a/drivers/staging/media/meson/vdec/vdec_helpers.h b/drivers/staging/media/meson/vdec/vdec_helpers.h index 4bf3e61d081b..1a711679d26a 100644 --- a/drivers/staging/media/meson/vdec/vdec_helpers.h +++ b/drivers/staging/media/meson/vdec/vdec_helpers.h @@ -27,9 +27,10 @@ void amvdec_clear_dos_bits(struct amvdec_core *core, u32 reg, u32 val); u32 amvdec_read_parser(struct amvdec_core *core, u32 reg); void amvdec_write_parser(struct amvdec_core *core, u32 reg, u32 val); -u32 amvdec_am21c_body_size(u32 width, u32 height); -u32 amvdec_am21c_head_size(u32 width, u32 height); -u32 amvdec_am21c_size(u32 width, u32 height); +/* Helpers for the Amlogic compressed framebuffer format */ +u32 amvdec_amfbc_body_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu); +u32 amvdec_amfbc_head_size(u32 width, u32 height); +u32 amvdec_amfbc_size(u32 width, u32 height, u32 is_10bit, u32 use_mmu); /** * amvdec_dst_buf_done_idx() - Signal that a buffer is done decoding @@ -77,9 +78,10 @@ void amvdec_set_par_from_dar(struct amvdec_session *sess, * @width: picture width detected by the hardware * @height: picture height detected by the hardware * @dpb_size: Decoded Picture Buffer size (= amount of buffers for decoding) + * @bitdepth: Bit depth (usually 10 or 8) of the coded content */ void amvdec_src_change(struct amvdec_session *sess, u32 width, - u32 height, u32 dpb_size); + u32 height, u32 dpb_size, u32 bitdepth); /** * amvdec_abort() - Abort the current decoding session