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linux/drivers/gpu/drm/amd/display/amdgpu_dm
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Hersen Wu 3cf7cd3f77 drm/amd/display: fix access hdcp_workqueue assert 
[Why] hdcp are enabled for asics from raven. for old asics
which hdcp are not enabled, hdcp_workqueue are null. some
access to hdcp work queue are not guarded with pointer check.

[How] add hdcp_workqueue pointer check before access workqueue.

Fixes: 82986fd631 ("drm/amd/display: save restore hdcp state when display is unplugged from mst hub")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2444
Reported-by: Niklāvs Koļesņikovs <89q1r14hd@relay.firefox.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
 		2023-04-26 22:30:03 -04:00
..
Makefile drm/amd/display: Rename DCN config to FP 2023-03-07 14:22:40 -05:00
amdgpu_dm.c drm/amd/display: fix access hdcp_workqueue assert 2023-04-26 22:30:03 -04:00
amdgpu_dm.h drm/amd/display/amdgpu_dm: Add a bl_idx to amdgpu_dm_connector 2023-03-31 11:06:41 -04:00
amdgpu_dm_color.c
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amdgpu_dm_crc.c
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amdgpu_dm_crc.h
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amdgpu_dm_crtc.c drm/amd/display: add prefix to amdgpu_dm_crtc.h functions 2023-03-08 14:05:53 -05:00
amdgpu_dm_crtc.h drm/amd/display: add prefix to amdgpu_dm_crtc.h functions 2023-03-08 14:05:53 -05:00
amdgpu_dm_debugfs.c drm/amd/display: convert link.h functions to function pointer style 2023-03-14 15:35:03 -04:00
amdgpu_dm_debugfs.h
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amdgpu_dm_hdcp.c drm/amd/display: Fix HDCP failing to enable after suspend 2023-03-13 17:27:48 -04:00
amdgpu_dm_hdcp.h
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amdgpu_dm_helpers.c drm/amd/display/amdgpu_dm/amdgpu_dm_helpers: Move defines out to where they are actually used 2023-03-22 00:48:00 -04:00
amdgpu_dm_irq.c
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amdgpu_dm_irq.h
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amdgpu_dm_irq_params.h
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amdgpu_dm_mst_types.c drm/amd/display: fix access hdcp_workqueue assert 2023-04-26 22:30:03 -04:00
amdgpu_dm_mst_types.h drm/amd/display: Take FEC Overhead into Timeslot Calculation 2023-03-14 15:35:39 -04:00
amdgpu_dm_plane.c drm/amd/display: add prefix to amdgpu_dm_plane.h functions 2023-03-08 14:04:45 -05:00
amdgpu_dm_plane.h drm/amd/display: add prefix to amdgpu_dm_plane.h functions 2023-03-08 14:04:45 -05:00
amdgpu_dm_pp_smu.c
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amdgpu_dm_psr.c
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amdgpu_dm_psr.h
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amdgpu_dm_services.c
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amdgpu_dm_trace.h
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dc_fpu.c
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dc_fpu.h
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