shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 19:08:57 +09:00
Code Issues Packages Projects Releases Wiki Activity

media: rockchip: hdmirx: enhance compatibility and stability.

Browse Source 
1.Add the judgment of signal loss when use g_dv_timing.
2.Wait for the signal to stabilize before get resolution.

Change-Id: I4cef1bd8a67f38dd531d24ccbb23d960bb82abae
Signed-off-by: Wangqiang Guo <kay.guo@rock-chips.com>
This commit is contained in:
Wangqiang Guo
2023-09-14 12:15:33 +00:00
parent 9a72b81321
commit ca9f8fb207
1 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
View File

@@ -530,6 +530,16 @@ static int hdmirx_g_dv_timings(struct file *file, void *_fh,
struct v4l2_device *v4l2_dev = &hdmirx_dev->v4l2_dev;
u32 dma_cfg1;
if (port_no_link(hdmirx_dev)) {
v4l2_err(v4l2_dev, "%s port has no link!\n", __func__);
return -ENOLINK;
}
if (signal_not_lock(hdmirx_dev)) {
v4l2_err(v4l2_dev, "%s signal is not locked!\n", __func__);
return -ENOLCK;
}
*timings = hdmirx_dev->timings;
dma_cfg1 = hdmirx_readl(hdmirx_dev, DMA_CONFIG1);
v4l2_dbg(1, debug, v4l2_dev, "%s: pix_fmt: %s, DMA_CONFIG1:%#x\n",
@@ -1558,7 +1568,7 @@ static int hdmirx_wait_lock_and_get_timing(struct rk_hdmirx_dev *hdmirx_dev)
}
hdmirx_reset_dma(hdmirx_dev);
usleep_range(200*1000, 200*1010);
usleep_range(500*1000, 500*1010);
hdmirx_format_change(hdmirx_dev);
return 0;