Applied to drm-misc-next.
On 10/23/26 03:37, Umio-Yasuno - coelacanth_dream wrote:
On Friday, October 23rd, 2026 at 0:58, Max Zhen <[email protected]> wrote:
The released out-of-tree amdxdna driver uses amdxdna_accel_driver as the
drm-engine key string, which is consumed by several applications.
Use the same key string in the upstream driver to maintain compatibility
with the out-of-tree driver.
Reported-by: Umio Yasuno <[email protected]>
Closes: https://github.com/amd/xdna-driver/issues/1754
Fixes: 489a8539ca6f ("accel/amdxdna: Expose NPU device busy time via DRM
fdinfo")
Signed-off-by: Max Zhen <[email protected]>
Reviewed-by: Umio Yasuno <[email protected]>
Thanks!
---
Documentation/accel/amdxdna/amdnpu.rst | 2 +-
drivers/accel/amdxdna/amdxdna_pci_drv.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/accel/amdxdna/amdnpu.rst
b/Documentation/accel/amdxdna/amdnpu.rst
index d72af1b51ccf..b0cc481c73ae 100644
--- a/Documentation/accel/amdxdna/amdnpu.rst
+++ b/Documentation/accel/amdxdna/amdnpu.rst
@@ -289,7 +289,7 @@ Example of the output showing the implemented key value
pairs:
drm-driver: amdxdna_accel_driver
drm-client-id: 3219
drm-pdev: 0000:c5:00.1
- drm-engine-npu: 14003870 ns
+ drm-engine-amdxdna_accel_driver: 14003870 ns
amdxdna_accel_driver-heap-alloc: 60 KiB
amdxdna_accel_driver-internal-alloc: 67588 KiB
amdxdna_accel_driver-external-alloc: 0
diff --git a/drivers/accel/amdxdna/amdxdna_pci_drv.c
b/drivers/accel/amdxdna/amdxdna_pci_drv.c
index edf807c93144..f233eb70a295 100644
--- a/drivers/accel/amdxdna/amdxdna_pci_drv.c
+++ b/drivers/accel/amdxdna/amdxdna_pci_drv.c
@@ -284,9 +284,9 @@ static void amdxdna_show_fdinfo(struct drm_printer *p,
struct drm_file *filp)
{
struct amdxdna_client *client = filp->driver_priv;
size_t heap_usage, external_usage, internal_usage;
- char *drv_name = filp->minor->dev->driver->name;
+ char *drv_name = "amdxdna_accel_driver";
- drm_printf(p, "drm-engine-npu:\t%llu ns\n",
+ drm_printf(p, "drm-engine-%s:\t%llu ns\n", drv_name,
amdxdna_io_stats_busy_time_ns(client));
mutex_lock(&client->mm_lock);
--
2.34.1