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Mon, 15 Jun 2026 13:18:06 -0700 (PDT) Received: from Shuvs-MacBook-Air.local ([103.129.135.168]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c8665186aefsm9576342a12.15.2026.06.15.13.18.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jun 2026 13:18:06 -0700 (PDT) From: Shuvam Pandey To: Min Ma , Lizhi Hou , Oded Gabbay Cc: "Mario Limonciello (AMD)" , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH] accel/amdxdna: Use caller client for debug BO sync Date: Tue, 16 Jun 2026 02:03:00 +0545 Message-ID: <178155468039.81818.12173237984867749651@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 amdxdna_drm_sync_bo_ioctl() looks up args->handle in the ioctl caller's drm_file. For SYNC_DIRECT_FROM_DEVICE, it then calls amdxdna_hwctx_sync_debug_bo(), but passes abo->client. amdxdna_hwctx_sync_debug_bo() uses the passed client both as the handle namespace for debug_bo_hdl and as the owner of the hardware context xarray. Those must match the file that supplied args->handle. The BO's stored client pointer is object state, not the ioctl context. Pass filp->driver_priv instead, matching the original handle lookup. Fixes: 7ea046838021 ("accel/amdxdna: Support firmware debug buffer") Cc: stable@vger.kernel.org # v6.19+ Signed-off-by: Shuvam Pandey --- drivers/accel/amdxdna/amdxdna_gem.c | 3 ++- diff --git a/drivers/accel/amdxdna/amdxdna_gem.c b/drivers/accel/amdxdna/amdx= dna_gem.c index 6e367ddb9e1becb8d03cb4badec25deed38a851d..6c16b21994abc8f0ce58ee6dede21= 9a84ade6825 100644 --- a/drivers/accel/amdxdna/amdxdna_gem.c +++ b/drivers/accel/amdxdna/amdxdna_gem.c @@ -1027,6 +1027,7 @@ int amdxdna_drm_get_bo_info_ioctl(struct drm_device *de= v, void *data, struct drm int amdxdna_drm_sync_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { + struct amdxdna_client *client =3D filp->driver_priv; struct amdxdna_dev *xdna =3D to_xdna_dev(dev); struct amdxdna_drm_sync_bo *args =3D data; struct amdxdna_gem_obj *abo; @@ -1061,7 +1062,7 @@ int amdxdna_drm_sync_bo_ioctl(struct drm_device *dev, args->handle, args->offset, args->size); =20 if (args->direction =3D=3D SYNC_DIRECT_FROM_DEVICE) - ret =3D amdxdna_hwctx_sync_debug_bo(abo->client, args->handle); + ret =3D amdxdna_hwctx_sync_debug_bo(client, args->handle); =20 put_obj: drm_gem_object_put(gobj); --=20 2.50.0