summaryrefslogtreecommitdiff
path: root/drivers/media/platform/verisilicon/hantro_drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/verisilicon/hantro_drv.c')
-rw-r--r--drivers/media/platform/verisilicon/hantro_drv.c65
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,