From f602b645bbb212dfcabf34410af09b9cf6597d82 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Tue, 18 Jan 2022 12:20:10 +0800
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Subject: [PATCH 28/33] kmssink: Avoid double-closing shared gem handle
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The gem handle could be shared between multiple planes.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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sys/kms/gstkmsallocator.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/sys/kms/gstkmsallocator.c b/sys/kms/gstkmsallocator.c
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index 6fe6a07..5d81643 100644
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--- a/sys/kms/gstkmsallocator.c
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+++ b/sys/kms/gstkmsallocator.c
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@@ -566,6 +566,7 @@ gst_kms_allocator_dmabuf_import (GstAllocator * allocator, gint * prime_fds,
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GstKMSMemory *kmsmem;
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GstMemory *mem;
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gint i, ret;
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+ guint32 handle = 0;
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g_return_val_if_fail (n_planes <= GST_VIDEO_MAX_PLANES, FALSE);
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@@ -592,6 +593,11 @@ gst_kms_allocator_dmabuf_import (GstAllocator * allocator, gint * prime_fds,
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struct drm_gem_close arg = { kmsmem->gem_handle[i], };
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gint err;
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+ if (handle == arg.handle)
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+ break;
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+
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+ handle = arg.handle;
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+
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err = drmIoctl (alloc->priv->fd, DRM_IOCTL_GEM_CLOSE, &arg);
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if (err)
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GST_WARNING_OBJECT (allocator,
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--
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2.20.1
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