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media: rockchip: hdmirx: check timing before start streaming

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Signed-off-by: Dingxian Wen <shawn.wen@rock-chips.com>
Change-Id: Id0b830b09db4f18eb3b96606e4e8d6fdd95b44c2
This commit is contained in:
Dingxian Wen
2022-04-19 17:08:35 +08:00
committed by Tao Huang
parent d54e56dbc6
commit ae854e6b5d
1 changed files with 12 additions and 1 deletions
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13
drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
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@@ -208,6 +208,7 @@ struct rk_hdmirx_dev {
bool initialized;
bool freq_qos_add;
bool hdcp1x_enable;
bool get_timing;
u32 num_clks;
u32 edid_blocks_written;
u32 hpd_trigger_level;
@@ -1174,6 +1175,7 @@ static void hdmirx_format_change(struct rk_hdmirx_dev *hdmirx_dev)
&timings, false);
}
hdmirx_dev->get_timing = true;
v4l2_dbg(1, debug, v4l2_dev, "%s: queue res_chg_event\n", __func__);
v4l2_event_queue(&stream->vdev, &ev_src_chg);
}
@@ -1693,6 +1695,11 @@ static int hdmirx_start_streaming(struct vb2_queue *queue, unsigned int count)
struct v4l2_bt_timings *bt = &timings.bt;
int line_flag;
if (!hdmirx_dev->get_timing) {
v4l2_err(v4l2_dev, "Err, timing is invalid\n");
return 0;
}
mutex_lock(&hdmirx_dev->stream_lock);
stream->frame_idx = 0;
stream->line_flag_int_cnt = 0;
@@ -1892,6 +1899,7 @@ static void process_signal_change(struct rk_hdmirx_dev *hdmirx_dev)
FIFO_UNDERFLOW_INT_EN |
HDMIRX_AXI_ERROR_INT_EN, 0);
hdmirx_reset_dma(hdmirx_dev);
hdmirx_dev->get_timing = false;
schedule_delayed_work_on(hdmirx_dev->bound_cpu,
&hdmirx_dev->delayed_work_res_change,
msecs_to_jiffies(50));
@@ -2115,6 +2123,8 @@ static void dma_idle_int_handler(struct rk_hdmirx_dev *hdmirx_dev, bool *handled
vb_done->sequence = stream->frame_idx;
hdmirx_vb_done(stream, vb_done);
stream->frame_idx++;
if (stream->frame_idx == 30)
v4l2_info(v4l2_dev, "rcv frames\n");
}
stream->curr_buf = NULL;
@@ -2221,7 +2231,7 @@ static irqreturn_t hdmirx_dma_irq_handler(int irq, void *dev_id)
line_flag_int_handler(hdmirx_dev, &handled);
if (!handled)
v4l2_dbg(2, debug, v4l2_dev,
v4l2_dbg(3, debug, v4l2_dev,
"%s: dma irq not handled, dma_stat1:%#x!\n",
__func__, dma_stat1);
@@ -2285,6 +2295,7 @@ static void hdmirx_delayed_work_hotplug(struct work_struct *work)
bool plugin;
mutex_lock(&hdmirx_dev->work_lock);
hdmirx_dev->get_timing = false;
plugin = tx_5v_power_present(hdmirx_dev);
v4l2_ctrl_s_ctrl(hdmirx_dev->detect_tx_5v_ctrl, plugin);
v4l2_dbg(1, debug, v4l2_dev, "%s: plugin:%d\n", __func__, plugin);