[PATCH 5.11 301/775] drm/amdgpu/display: remove hdcp_srm sysfs on device removal

[Greg Kroah-Hartman]

From: Nirmoy Das <nirmoy....@amd.com>

[ Upstream commit e96b1b2974989c6a25507b527843ede7594efc85 ]

Fixes: 9037246bb2da5 ("drm/amd/display: Add sysfs interface for set/get srm")

Signed-off-by: Nirmoy Das <nirmoy....@amd.com>
Acked-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c      | 2 +-
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 3 ++-
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

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 961abf1cf040c..6a336cce6b7c6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1131,7 +1131,7 @@ 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);
 
-- 
2.27.0