Re: [PATCH 13/55] media: aspeed: Stop abusing of min_buffers_needed field

From: Eddie James
Date: Mon Nov 27 2023 - 14:27:48 EST



On 11/27/23 10:54, Benjamin Gaignard wrote:
'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
aspeed doesn't use DMA engine and just want to specify
the minimum number of buffers to allocate when calling VIDIOC_REQBUFS.
That 'min_reqbufs_allocation' field purpose so use it.


Reviewed-by: Eddie James <eajames@xxxxxxxxxxxxx>



Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
CC: Eddie James <eajames@xxxxxxxxxxxxx> (maintainer:ASPEED VIDEO ENGINE DRIVER)
CC: Joel Stanley <joel@xxxxxxxxx> (supporter:ARM/ASPEED MACHINE SUPPORT)
CC: Andrew Jeffery <andrew@xxxxxxxxxxxxxxxxxxxx> (reviewer:ARM/ASPEED MACHINE SUPPORT)
CC: openbmc@xxxxxxxxxxxxxxxx (moderated list:ASPEED VIDEO ENGINE DRIVER)
CC: linux-aspeed@xxxxxxxxxxxxxxxx (moderated list:ARM/ASPEED MACHINE SUPPORT)
---
drivers/media/platform/aspeed/aspeed-video.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/aspeed/aspeed-video.c b/drivers/media/platform/aspeed/aspeed-video.c
index d08aa7f73d4f..c28b10808cda 100644
--- a/drivers/media/platform/aspeed/aspeed-video.c
+++ b/drivers/media/platform/aspeed/aspeed-video.c
@@ -2034,7 +2034,7 @@ static int aspeed_video_setup_video(struct aspeed_video *video)
vbq->drv_priv = video;
vbq->buf_struct_size = sizeof(struct aspeed_video_buffer);
vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
- vbq->min_buffers_needed = ASPEED_VIDEO_V4L2_MIN_BUF_REQ;
+ vbq->min_reqbufs_allocation = ASPEED_VIDEO_V4L2_MIN_BUF_REQ;
rc = vb2_queue_init(vbq);
if (rc) {