From 9f0d42a24258230c2b32eb21932ff49ea7274dc6 Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Mon, 24 Sep 2018 18:26:02 +0100 Subject: [PATCH] staging: vc04_services: Support sending data to MMAL ports raspberrypi inclusion category: feature bugzilla: 50432 -------------------------------- Add the ability to send data to ports. This only supports zero copy mode as the required bulk transfer setup calls are not done. Signed-off-by: Dave Stevenson Signed-off-by: Fang Yafen Signed-off-by: Zheng Zengkai --- .../vc04_services/vchiq-mmal/mmal-vchiq.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c index 1a66c9484aa7..2361a11f1e20 100644 --- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c +++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c @@ -422,11 +422,19 @@ buffer_from_host(struct vchiq_mmal_instance *instance, m.u.buffer_from_host.buffer_header.data = (u32)(unsigned long)buf->buffer; m.u.buffer_from_host.buffer_header.alloc_size = buf->buffer_size; - m.u.buffer_from_host.buffer_header.length = 0; /* nothing used yet */ - m.u.buffer_from_host.buffer_header.offset = 0; /* no offset */ - m.u.buffer_from_host.buffer_header.flags = 0; /* no flags */ - m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; - m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; + if (port->type == MMAL_PORT_TYPE_OUTPUT) { + m.u.buffer_from_host.buffer_header.length = 0; + m.u.buffer_from_host.buffer_header.offset = 0; + m.u.buffer_from_host.buffer_header.flags = 0; + m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN; + m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN; + } else { + m.u.buffer_from_host.buffer_header.length = buf->length; + m.u.buffer_from_host.buffer_header.offset = 0; + m.u.buffer_from_host.buffer_header.flags = buf->mmal_flags; + m.u.buffer_from_host.buffer_header.pts = buf->pts; + m.u.buffer_from_host.buffer_header.dts = buf->dts; + } /* clear buffer type sepecific data */ memset(&m.u.buffer_from_host.buffer_header_type_specific, 0, -- GitLab