Commit 0f469c1a authored by Nikhil Devshatwar's avatar Nikhil Devshatwar Committed by Mauro Carvalho Chehab
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[media] media: ti-vpe: vpe: Setup srcdst parameters in start_streaming 



For deinterlacing operation, each operation needs 2 fields in the
history. This is achieved by holding three buffers in
ctx->src_vbs[0,1,2] (f,f-1,f-2)

This is achieved by using the ctx->sequence which gets reset via the
s_fmt ioctl.

These buffers are dequeued in stream OFF by calling free_vbs()
But the corresponding references aren't removed anywhere.

When application tries to stream ON and OFF continuously, s_fmt ioctl
won't be called and it won't setup the srcdst parameters.

Setting source/destination parameters in stream ON ioctl would make
sure that the context is re-initialized before it is being used by
the driver.

Signed-off-by: default avatarNikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: default avatarBenoit Parrot <bparrot@ti.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 655e4656

drivers/media/platform/ti-vpe/vpe.c

+4 −0
Original line number Diff line number Diff line
@@ -869,6 +869,7 @@ static int set_srcdst_params(struct vpe_ctx *ctx) 
	}



	free_vbs(ctx);

	ctx->src_vbs[2] = ctx->src_vbs[1] = ctx->src_vbs[0] = NULL;



	ret = realloc_mv_buffers(ctx, mv_buf_size);

	if (ret)
@@ -1990,6 +1991,9 @@ static int vpe_start_streaming(struct vb2_queue *q, unsigned int count) 
	if (ctx->deinterlacing)

		config_edi_input_mode(ctx, 0x0);



	if (ctx->sequence != 0)

		set_srcdst_params(ctx);



	return 0;

}