@@ -1853,6 +1853,9 @@ static int tegra_vi_probe(struct platform_device *pdev)
vi->client.ops = &vi_client_ops;
vi->client.dev = &pdev->dev;
+ if (vi->ops->vi_enable)
+ vi->ops->vi_enable(vi, true);
+
ret = host1x_client_register(&vi->client);
if (ret < 0) {
dev_err(&pdev->dev,
@@ -1863,6 +1866,8 @@ static int tegra_vi_probe(struct platform_device *pdev)
return 0;
rpm_disable:
+ if (vi->ops->vi_enable)
+ vi->ops->vi_enable(vi, false);
pm_runtime_disable(&pdev->dev);
return ret;
}
@@ -1879,6 +1884,8 @@ static int tegra_vi_remove(struct platform_device *pdev)
return err;
}
+ if (vi->ops->vi_enable)
+ vi->ops->vi_enable(vi, false);
pm_runtime_disable(&pdev->dev);
return 0;
@@ -37,8 +37,11 @@ enum tegra_vi_pg_mode {
TEGRA_VI_PG_PATCH,
};
+struct tegra_vi;
+
/**
* struct tegra_vi_ops - Tegra VI operations
+ * @vi_enable: soc-specific operations needed to enable/disable the VI peripheral
* @vi_fmt_align: modify `pix` to fit the hardware alignment
* requirements and fill image geometry
* @vi_start_streaming: starts media pipeline, subdevice streaming, sets up
@@ -48,6 +51,7 @@ enum tegra_vi_pg_mode {
* back any queued buffers.
*/
struct tegra_vi_ops {
+ int (*vi_enable)(struct tegra_vi *vi, bool on);
void (*vi_fmt_align)(struct v4l2_pix_format *pix, unsigned int bpp);
int (*vi_start_streaming)(struct vb2_queue *vq, u32 count);
void (*vi_stop_streaming)(struct vb2_queue *vq);
The Tegra20 VI needs an additional operation to enable the VI, add an operation for that. Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> --- No changes in v3 No changes in v2 --- drivers/staging/media/tegra-video/vi.c | 7 +++++++ drivers/staging/media/tegra-video/vi.h | 4 ++++ 2 files changed, 11 insertions(+)