diff options
Diffstat (limited to 'drivers/media/platform/verisilicon/hantro_drv.c')
| -rw-r--r-- | drivers/media/platform/verisilicon/hantro_drv.c | 65 |
1 files changed, 56 insertions, 9 deletions
diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c index 34b123dafd89..60b95b5d8565 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -89,7 +89,6 @@ static void hantro_job_finish(struct hantro_dev *vpu, struct hantro_ctx *ctx, enum vb2_buffer_state result) { - pm_runtime_mark_last_busy(vpu->dev); pm_runtime_put_autosuspend(vpu->dev); clk_bulk_disable(vpu->variant->num_clocks, vpu->clocks); @@ -184,7 +183,7 @@ static void device_run(void *priv) if (ret) goto err_cancel_job; - v4l2_m2m_buf_copy_metadata(src, dst, true); + v4l2_m2m_buf_copy_metadata(src, dst); if (ctx->codec_ops->run(ctx)) goto err_cancel_job; @@ -663,8 +662,7 @@ static int hantro_open(struct file *filp) } v4l2_fh_init(&ctx->fh, vdev); - filp->private_data = &ctx->fh; - v4l2_fh_add(&ctx->fh); + v4l2_fh_add(&ctx->fh, filp); hantro_reset_fmts(ctx); @@ -678,7 +676,7 @@ static int hantro_open(struct file *filp) return 0; err_fh_free: - v4l2_fh_del(&ctx->fh); + v4l2_fh_del(&ctx->fh, filp); v4l2_fh_exit(&ctx->fh); err_ctx_free: kfree(ctx); @@ -687,15 +685,14 @@ err_ctx_free: static int hantro_release(struct file *filp) { - struct hantro_ctx *ctx = - container_of(filp->private_data, struct hantro_ctx, fh); + struct hantro_ctx *ctx = file_to_ctx(filp); /* * No need for extra locking because this was the last reference * to this file. */ v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); - v4l2_fh_del(&ctx->fh); + v4l2_fh_del(&ctx->fh, filp); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_handler); kfree(ctx); @@ -722,6 +719,7 @@ static const struct of_device_id of_hantro_match[] = { { .compatible = "rockchip,rk3399-vpu", .data = &rk3399_vpu_variant, }, { .compatible = "rockchip,rk3568-vepu", .data = &rk3568_vepu_variant, }, { .compatible = "rockchip,rk3568-vpu", .data = &rk3568_vpu_variant, }, + { .compatible = "rockchip,rk3588-vepu121", .data = &rk3568_vepu_variant, }, { .compatible = "rockchip,rk3588-av1-vpu", .data = &rk3588_vpu981_variant, }, #endif #ifdef CONFIG_VIDEO_HANTRO_IMX8M @@ -917,6 +915,8 @@ static int hantro_add_func(struct hantro_dev *vpu, unsigned int funcid) vpu->decoder = func; v4l2_disable_ioctl(vfd, VIDIOC_TRY_ENCODER_CMD); v4l2_disable_ioctl(vfd, VIDIOC_ENCODER_CMD); + v4l2_disable_ioctl(vfd, VIDIOC_G_SELECTION); + v4l2_disable_ioctl(vfd, VIDIOC_S_SELECTION); } video_set_drvdata(vfd, vpu); @@ -992,6 +992,49 @@ static const struct media_device_ops hantro_m2m_media_ops = { .req_queue = v4l2_m2m_request_queue, }; +/* + * Some SoCs, like RK3588 have multiple identical Hantro cores, but the + * kernel is currently missing support for multi-core handling. Exposing + * separate devices for each core to userspace is bad, since that does + * not allow scheduling tasks properly (and creates ABI). With this workaround + * the driver will only probe for the first core and early exit for the other + * cores. Once the driver gains multi-core support, the same technique + * for detecting the main core can be used to cluster all cores together. + */ +static int hantro_disable_multicore(struct hantro_dev *vpu) +{ + struct device_node *node = NULL; + const char *compatible; + bool is_main_core; + int ret; + + /* Intentionally ignores the fallback strings */ + ret = of_property_read_string(vpu->dev->of_node, "compatible", &compatible); + if (ret) + return ret; + + /* The first compatible and available node found is considered the main core */ + do { + node = of_find_compatible_node(node, NULL, compatible); + if (of_device_is_available(node)) + break; + } while (node); + + if (!node) + return -EINVAL; + + is_main_core = (vpu->dev->of_node == node); + + of_node_put(node); + + if (!is_main_core) { + dev_info(vpu->dev, "missing multi-core support, ignoring this instance\n"); + return -ENODEV; + } + + return 0; +} + static int hantro_probe(struct platform_device *pdev) { const struct of_device_id *match; @@ -1011,6 +1054,10 @@ static int hantro_probe(struct platform_device *pdev) match = of_match_node(of_hantro_match, pdev->dev.of_node); vpu->variant = match->data; + ret = hantro_disable_multicore(vpu); + if (ret) + return ret; + /* * Support for nxp,imx8mq-vpu is kept for backwards compatibility * but it's deprecated. Please update your DTS file to use @@ -1229,7 +1276,7 @@ static const struct dev_pm_ops hantro_pm_ops = { static struct platform_driver hantro_driver = { .probe = hantro_probe, - .remove_new = hantro_remove, + .remove = hantro_remove, .driver = { .name = DRIVER_NAME, .of_match_table = of_hantro_match, |
