If the host is powered off, there will be many warning log: [ 335.526279] aspeed-video 1e700000.video: Timed out; first mode detect [ 335.544172] aspeed-video 1e700000.video: No signal; don't start frame [ 337.165555] aspeed-video 1e700000.video: Timed out; first mode detect [ 337.186214] aspeed-video 1e700000.video: No signal; don't start frame [ 338.815501] aspeed-video 1e700000.video: Timed out; first mode detect [ 338.834008] aspeed-video 1e700000.video: No signal; don't start frame To avoid the log spam in this condition, replace v4l2_warn with v4l2_dbg. Link: https://lore.kernel.org/openbmc/Y1dX9r9ybGjBrW0k@xxxxxxxxxxxxxxxxxxxxxxxx/ Reported by: Zev Weiss <zweiss@xxxxxxxxxxx> Signed-off-by: Jammy Huang <jammy_huang@xxxxxxxxxxxxxx> --- v2: - update commit message --- drivers/media/platform/aspeed/aspeed-video.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/aspeed/aspeed-video.c b/drivers/media/platform/aspeed/aspeed-video.c index cf76aeee8cb6..662465d13a0e 100644 --- a/drivers/media/platform/aspeed/aspeed-video.c +++ b/drivers/media/platform/aspeed/aspeed-video.c @@ -586,13 +586,13 @@ static int aspeed_video_start_frame(struct aspeed_video *video) bool bcd_buf_need = (video->format != VIDEO_FMT_STANDARD); if (video->v4l2_input_status) { - v4l2_warn(&video->v4l2_dev, "No signal; don't start frame\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "No signal; don't start frame\n"); return 0; } if (!(seq_ctrl & VE_SEQ_CTRL_COMP_BUSY) || !(seq_ctrl & VE_SEQ_CTRL_CAP_BUSY)) { - v4l2_warn(&video->v4l2_dev, "Engine busy; don't start frame\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Engine busy; don't start frame\n"); return -EBUSY; } @@ -615,7 +615,7 @@ static int aspeed_video_start_frame(struct aspeed_video *video) struct aspeed_video_buffer, link); if (!buf) { spin_unlock_irqrestore(&video->lock, flags); - v4l2_warn(&video->v4l2_dev, "No buffers; don't start frame\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "No buffers; don't start frame\n"); return -EPROTO; } @@ -796,7 +796,7 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) if (video->format == VIDEO_FMT_STANDARD && list_is_last(&buf->link, &video->buffers)) { empty = false; - v4l2_warn(&video->v4l2_dev, "skip to keep last frame updated\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "skip to keep last frame updated\n"); } else { buf->vb.vb2_buf.timestamp = ktime_get_ns(); buf->vb.sequence = video->sequence++; @@ -1060,7 +1060,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) res_check(video), MODE_DETECT_TIMEOUT); if (!rc) { - v4l2_warn(&video->v4l2_dev, "Timed out; first mode detect\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Timed out; first mode detect\n"); clear_bit(VIDEO_RES_DETECT, &video->flags); return; } @@ -1081,7 +1081,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) MODE_DETECT_TIMEOUT); clear_bit(VIDEO_RES_DETECT, &video->flags); if (!rc) { - v4l2_warn(&video->v4l2_dev, "Timed out; second mode detect\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Timed out; second mode detect\n"); return; } @@ -1104,7 +1104,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) } while (invalid_resolution && (tries++ < INVALID_RESOLUTION_RETRIES)); if (invalid_resolution) { - v4l2_warn(&video->v4l2_dev, "Invalid resolution detected\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Invalid resolution detected\n"); return; } @@ -1856,7 +1856,7 @@ static void aspeed_video_stop_streaming(struct vb2_queue *q) !test_bit(VIDEO_FRAME_INPRG, &video->flags), STOP_TIMEOUT); if (!rc) { - v4l2_warn(&video->v4l2_dev, "Timed out when stopping streaming\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Timed out when stopping streaming\n"); /* * Need to force stop any DMA and try and get HW into a good base-commit: 08ad43d554bacb9769c6a69d5f771f02f5ba411c prerequisite-patch-id: bf47e8ab2998acfbc32be5a4b7b5ae8a3ae4218b prerequisite-patch-id: bf82715983e08f2e810ff1a82ce644f5f9006cd9 prerequisite-patch-id: 28a2040ef0235e5765f05d2fc5529bce2a0f4c6f prerequisite-patch-id: 7e761c779730536db8baf50db5fc8caf058e95af prerequisite-patch-id: c48ea20973fa35938a7d33a0e20d2900df48755f -- 2.25.1