From: Lizhi Hou <lizhi.hou@amd.com>
To: <ogabbay@kernel.org>, <quic_jhugo@quicinc.com>,
<dri-devel@lists.freedesktop.org>, <mario.limonciello@amd.com>,
<karol.wachowski@linux.intel.com>
Cc: Lizhi Hou <lizhi.hou@amd.com>, <linux-kernel@vger.kernel.org>,
<max.zhen@amd.com>, <sonal.santan@amd.com>
Subject: [PATCH V1] accel/amdxdna: Disable device buffer exporting
Date: Tue, 26 May 2026 11:50:58 -0700 [thread overview]
Message-ID: <20260526185058.1780869-1-lizhi.hou@amd.com> (raw)
Device buffers are never intended to be exported. Disable exporting
support explicitly.
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
---
drivers/accel/amdxdna/amdxdna_gem.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdxdna_gem.c
index 2dfdc56ba91d..2727e48afc0a 100644
--- a/drivers/accel/amdxdna/amdxdna_gem.c
+++ b/drivers/accel/amdxdna/amdxdna_gem.c
@@ -725,9 +725,15 @@ static int amdxdna_gem_dev_obj_vmap(struct drm_gem_object *obj, struct iosys_map
return 0;
}
+static struct dma_buf *amdxdna_gem_dev_obj_export(struct drm_gem_object *gobj, int flags)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
+
static const struct drm_gem_object_funcs amdxdna_gem_dev_obj_funcs = {
.free = amdxdna_gem_dev_obj_free,
.vmap = amdxdna_gem_dev_obj_vmap,
+ .export = amdxdna_gem_dev_obj_export,
};
static const struct drm_gem_object_funcs amdxdna_gem_shmem_funcs = {
--
2.34.1
next reply other threads:[~2026-05-26 18:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 18:50 Lizhi Hou [this message]
2026-05-27 4:20 ` Claude review: accel/amdxdna: Disable device buffer exporting Claude Code Review Bot
2026-05-27 4:20 ` Claude Code Review Bot
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