This is a note to let you know that I've just added the patch titled drm/amdgpu/display: remove hdcp_srm sysfs on device removal to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amdgpu-display-remove-hdcp_srm-sysfs-on-device-r.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 33d2b3cdd14359d0691907f3148cbf33628472a9 Author: Nirmoy Das <nirmoy.das@xxxxxxx> Date: Wed Feb 10 18:11:04 2021 +0100 drm/amdgpu/display: remove hdcp_srm sysfs on device removal [ Upstream commit e96b1b2974989c6a25507b527843ede7594efc85 ] Fixes: 9037246bb2da5 ("drm/amd/display: Add sysfs interface for set/get srm") Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx> Acked-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index fdca76fc598c0..bffaefaf5a292 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1096,7 +1096,7 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev) #ifdef CONFIG_DRM_AMD_DC_HDCP if (adev->dm.hdcp_workqueue) { - hdcp_destroy(adev->dm.hdcp_workqueue); + hdcp_destroy(&adev->dev->kobj, adev->dm.hdcp_workqueue); adev->dm.hdcp_workqueue = NULL; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c index c2cd184f0bbd4..79de68ac03f20 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c @@ -376,7 +376,7 @@ static void event_cpirq(struct work_struct *work) } -void hdcp_destroy(struct hdcp_workqueue *hdcp_work) +void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *hdcp_work) { int i = 0; @@ -385,6 +385,7 @@ void hdcp_destroy(struct hdcp_workqueue *hdcp_work) cancel_delayed_work_sync(&hdcp_work[i].watchdog_timer_dwork); } + sysfs_remove_bin_file(kobj, &hdcp_work[0].attr); kfree(hdcp_work->srm); kfree(hdcp_work->srm_temp); kfree(hdcp_work); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h index 5159b3a5e5b03..09294ff122fea 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h @@ -69,7 +69,7 @@ void hdcp_update_display(struct hdcp_workqueue *hdcp_work, void hdcp_reset_display(struct hdcp_workqueue *work, unsigned int link_index); void hdcp_handle_cpirq(struct hdcp_workqueue *work, unsigned int link_index); -void hdcp_destroy(struct hdcp_workqueue *work); +void hdcp_destroy(struct kobject *kobj, struct hdcp_workqueue *work); struct hdcp_workqueue *hdcp_create_workqueue(struct amdgpu_device *adev, struct cp_psp *cp_psp, struct dc *dc);