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43 lines
1.9 KiB
Diff
43 lines
1.9 KiB
Diff
From f3f0945b19a90b194b2886a4fe5b092b4a3f7b3b Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Mon, 24 Sep 2018 18:26:02 +0100
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Subject: [PATCH] staging: vc04_services: Support sending data to MMAL
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ports
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Add the ability to send data to ports. This only supports
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zero copy mode as the required bulk transfer setup calls
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are not done.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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.../vc04_services/vchiq-mmal/mmal-vchiq.c | 18 +++++++++++++-----
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1 file changed, 13 insertions(+), 5 deletions(-)
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--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
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+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
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@@ -427,11 +427,19 @@ buffer_from_host(struct vchiq_mmal_insta
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m.u.buffer_from_host.buffer_header.data =
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(u32)(unsigned long)buf->buffer;
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m.u.buffer_from_host.buffer_header.alloc_size = buf->buffer_size;
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- m.u.buffer_from_host.buffer_header.length = 0; /* nothing used yet */
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- m.u.buffer_from_host.buffer_header.offset = 0; /* no offset */
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- m.u.buffer_from_host.buffer_header.flags = 0; /* no flags */
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- m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN;
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- m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN;
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+ if (port->type == MMAL_PORT_TYPE_OUTPUT) {
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+ m.u.buffer_from_host.buffer_header.length = 0;
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+ m.u.buffer_from_host.buffer_header.offset = 0;
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+ m.u.buffer_from_host.buffer_header.flags = 0;
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+ m.u.buffer_from_host.buffer_header.pts = MMAL_TIME_UNKNOWN;
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+ m.u.buffer_from_host.buffer_header.dts = MMAL_TIME_UNKNOWN;
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+ } else {
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+ m.u.buffer_from_host.buffer_header.length = buf->length;
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+ m.u.buffer_from_host.buffer_header.offset = 0;
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+ m.u.buffer_from_host.buffer_header.flags = buf->mmal_flags;
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+ m.u.buffer_from_host.buffer_header.pts = buf->pts;
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+ m.u.buffer_from_host.buffer_header.dts = buf->dts;
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+ }
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/* clear buffer type sepecific data */
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memset(&m.u.buffer_from_host.buffer_header_type_specific, 0,
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