From 70cad4495a7438b07d806b8795ab6c6ef083b737 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 3 Feb 2020 12:41:18 +0100 Subject: media: media/platform: rename VFL_TYPE_GRABBER to _VIDEO 'GRABBER' is a weird name, all other types map to the /dev device names. Rename to 'VIDEO' to be consistent with the other types. Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c | 2 +- drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/media/platform/mtk-vcodec') diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c index 100ae8c5e702..97a1b6664c20 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c @@ -331,7 +331,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_event_workq; } - ret = video_register_device(vfd_dec, VFL_TYPE_GRABBER, 0); + ret = video_register_device(vfd_dec, VFL_TYPE_VIDEO, 0); if (ret) { mtk_v4l2_err("Failed to register video device"); goto err_dec_reg; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index 1d82aa2b6017..4d31f1ed113f 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -356,7 +356,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev) goto err_event_workq; } - ret = video_register_device(vfd_enc, VFL_TYPE_GRABBER, 1); + ret = video_register_device(vfd_enc, VFL_TYPE_VIDEO, 1); if (ret) { mtk_v4l2_err("Failed to register video device"); goto err_enc_reg; -- cgit From dea42fb79f4fa6a2b08124b217b2850e7e9bbf3e Mon Sep 17 00:00:00 2001 From: Rui Wang Date: Tue, 11 Feb 2020 06:55:32 +0100 Subject: media: mtk-vcodec: reset segment data then trig decoder VP9 bitstream specification indicate segment data should reset to default when meet key frames, intra only frames or enable error resilience mode. So memset segmentation map buffer before every decode process is not appropriate. Reset segment data only when needed, then start decoder hardware Signed-off-by: Rui Wang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../media/platform/mtk-vcodec/vdec/vdec_vp9_if.c | 29 +++++++++++++++++++--- 1 file changed, 25 insertions(+), 4 deletions(-) (limited to 'drivers/media/platform/mtk-vcodec') diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c index 24c1f0bf2147..257a5b5ad212 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c @@ -110,7 +110,11 @@ struct vp9_sf_ref_fb { * @buf_len_sz_c : size used to store cbcr plane ufo info (AP-R, VPU-W) * @profile : profile sparsed from vpu (AP-R, VPU-W) - * @show_frame : display this frame or not (AP-R, VPU-W) + * @show_frame : [BIT(0)] display this frame or not (AP-R, VPU-W) + * [BIT(1)] reset segment data or not (AP-R, VPU-W) + * [BIT(2)] trig decoder hardware or not (AP-R, VPU-W) + * [BIT(3)] ask VPU to set bits(0~4) accordingly (AP-W, VPU-R) + * [BIT(4)] do not reset segment data before every frame (AP-R, VPU-W) * @show_existing_frame : inform this frame is show existing frame * (AP-R, VPU-W) * @frm_to_show_idx : index to show frame (AP-R, VPU-W) @@ -494,12 +498,12 @@ static void vp9_swap_frm_bufs(struct vdec_vp9_inst *inst) frm_to_show->fb->base_y.size); } if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) { - if (vsi->show_frame) + if (vsi->show_frame & BIT(0)) vp9_add_to_fb_disp_list(inst, inst->cur_fb); } } else { if (!vp9_is_sf_ref_fb(inst, inst->cur_fb)) { - if (vsi->show_frame) + if (vsi->show_frame & BIT(0)) vp9_add_to_fb_disp_list(inst, frm_to_show->fb); } } @@ -800,6 +804,9 @@ static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx) } inst->vsi = (struct vdec_vp9_vsi *)inst->vpu.vsi; + + inst->vsi->show_frame |= BIT(3); + init_all_fb_lists(inst); ctx->drv_handle = inst; @@ -870,13 +877,27 @@ static int vdec_vp9_decode(void *h_vdec, struct mtk_vcodec_mem *bs, vsi->sf_frm_sz[idx]); } } - memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size); + + if (!(vsi->show_frame & BIT(4))) + memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size); + ret = vpu_dec_start(&inst->vpu, data, 3); if (ret) { mtk_vcodec_err(inst, "vpu_dec_start failed"); goto DECODE_ERROR; } + if (vsi->show_frame & BIT(1)) { + memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size); + + if (vsi->show_frame & BIT(2)) { + if (vpu_dec_start(&inst->vpu, NULL, 0)) { + mtk_vcodec_err(inst, "vpu trig decoder failed"); + goto DECODE_ERROR; + } + } + } + ret = validate_vsi_array_indexes(inst, vsi); if (ret) { mtk_vcodec_err(inst, "Invalid values from VPU."); -- cgit From e6599adfad30c340d06574e49a86afa7015c5c60 Mon Sep 17 00:00:00 2001 From: Hsin-Yi Wang Date: Wed, 4 Mar 2020 03:58:51 +0100 Subject: media: mtk-vpu: avoid unaligned access to DTCM buffer. Previously, vpu->recv_buf and send_buf are forced cast from void __iomem *tcm. vpu->recv_buf->share_buf is passed to vpu_ipi_desc.handler(). It's not able to do unaligned access. Otherwise kernel would crash due to unable to handle kernel paging request. struct vpu_run { u32 signaled; char fw_ver[VPU_FW_VER_LEN]; unsigned int dec_capability; unsigned int enc_capability; wait_queue_head_t wq; }; fw_ver starts at 4 byte boundary. If system enables CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS, strscpy() will do read_word_at_a_time(), which tries to read 8-byte: *(unsigned long *)addr vpu_init_ipi_handler() calls strscpy(), which would lead to crash. vpu_init_ipi_handler() and several other handlers (eg. vpu_dec_ipi_handler) only do read access to this data, so they can be const, and we can use memcpy_fromio() to copy the buf to another non iomem buffer then pass to handler. Fixes: 85709cbf1524 ("media: replace strncpy() by strscpy()") Signed-off-by: Hsin-Yi Wang Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/mtk-vcodec/vdec_vpu_if.c | 6 +++--- drivers/media/platform/mtk-vcodec/venc_vpu_if.c | 12 ++++++------ 2 files changed, 9 insertions(+), 9 deletions(-) (limited to 'drivers/media/platform/mtk-vcodec') diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c index 70abfd4cd4b9..948a12fd9d46 100644 --- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c @@ -9,7 +9,7 @@ #include "vdec_ipi_msg.h" #include "vdec_vpu_if.h" -static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg) +static void handle_init_ack_msg(const struct vdec_vpu_ipi_init_ack *msg) { struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *) (unsigned long)msg->ap_inst_addr; @@ -34,9 +34,9 @@ static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg) * This function runs in interrupt context and it means there's an IPI MSG * from VPU. */ -static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv) +static void vpu_dec_ipi_handler(const void *data, unsigned int len, void *priv) { - struct vdec_vpu_ipi_ack *msg = data; + const struct vdec_vpu_ipi_ack *msg = data; struct vdec_vpu_inst *vpu = (struct vdec_vpu_inst *) (unsigned long)msg->ap_inst_addr; diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c index 3e931b0ed096..9540709c1905 100644 --- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c +++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c @@ -8,26 +8,26 @@ #include "venc_ipi_msg.h" #include "venc_vpu_if.h" -static void handle_enc_init_msg(struct venc_vpu_inst *vpu, void *data) +static void handle_enc_init_msg(struct venc_vpu_inst *vpu, const void *data) { - struct venc_vpu_ipi_msg_init *msg = data; + const struct venc_vpu_ipi_msg_init *msg = data; vpu->inst_addr = msg->vpu_inst_addr; vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr); } -static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, void *data) +static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, const void *data) { - struct venc_vpu_ipi_msg_enc *msg = data; + const struct venc_vpu_ipi_msg_enc *msg = data; vpu->state = msg->state; vpu->bs_size = msg->bs_size; vpu->is_key_frm = msg->is_key_frm; } -static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv) +static void vpu_enc_ipi_handler(const void *data, unsigned int len, void *priv) { - struct venc_vpu_ipi_msg_common *msg = data; + const struct venc_vpu_ipi_msg_common *msg = data; struct venc_vpu_inst *vpu = (struct venc_vpu_inst *)(unsigned long)msg->venc_inst; -- cgit