* [PATCH V1] accel/amdxdna: Disable device buffer exporting
@ 2026-05-26 18:50 Lizhi Hou
2026-05-28 21:19 ` Mario Limonciello
0 siblings, 1 reply; 3+ messages in thread
From: Lizhi Hou @ 2026-05-26 18:50 UTC (permalink / raw)
To: ogabbay, quic_jhugo, dri-devel, mario.limonciello, karol.wachowski
Cc: Lizhi Hou, linux-kernel, max.zhen, sonal.santan
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
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH V1] accel/amdxdna: Disable device buffer exporting
2026-05-26 18:50 [PATCH V1] accel/amdxdna: Disable device buffer exporting Lizhi Hou
@ 2026-05-28 21:19 ` Mario Limonciello
2026-05-29 4:26 ` Lizhi Hou
0 siblings, 1 reply; 3+ messages in thread
From: Mario Limonciello @ 2026-05-28 21:19 UTC (permalink / raw)
To: Lizhi Hou, ogabbay, quic_jhugo, dri-devel, karol.wachowski
Cc: linux-kernel, max.zhen, sonal.santan
On 5/26/26 19:50, Lizhi Hou wrote:
> Device buffers are never intended to be exported. Disable exporting
> support explicitly.
>
> Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
> ---
> 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 = {
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH V1] accel/amdxdna: Disable device buffer exporting
2026-05-28 21:19 ` Mario Limonciello
@ 2026-05-29 4:26 ` Lizhi Hou
0 siblings, 0 replies; 3+ messages in thread
From: Lizhi Hou @ 2026-05-29 4:26 UTC (permalink / raw)
To: Mario Limonciello, ogabbay, quic_jhugo, dri-devel, karol.wachowski
Cc: linux-kernel, max.zhen, sonal.santan
Applied to drm-misc-next
On 5/28/26 14:19, Mario Limonciello wrote:
>
>
> On 5/26/26 19:50, Lizhi Hou wrote:
>> Device buffers are never intended to be exported. Disable exporting
>> support explicitly.
>>
>> Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
> Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
>> ---
>> 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 = {
>
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-05-29 4:27 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2026-05-26 18:50 [PATCH V1] accel/amdxdna: Disable device buffer exporting Lizhi Hou
2026-05-28 21:19 ` Mario Limonciello
2026-05-29 4:26 ` Lizhi Hou
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