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lf-6.6.y
linux-imx/drivers/gpu/drm/display
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Wayne Lin 28c060cd37 drm/dp_mst: Skip CSN if topology probing is not done yet 
commit ddf983488c upstream.

[Why]
During resume, observe that we receive CSN event before we start topology
probing. Handling CSN at this moment based on uncertain topology is
unnecessary.

[How]
Add checking condition in drm_dp_mst_handle_up_req() to skip handling CSN
if the topology is yet to be probed.

Cc: Lyude Paul <lyude@redhat.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240626084825.878565-3-Wayne.Lin@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-14 13:59:00 +02:00
..
drm_display_helper_mod.c
drm_dp_aux_bus.c driver core: make struct device_type.uevent() take a const * 2023-01-27 13:45:36 +01:00
drm_dp_aux_dev.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
drm_dp_cec.c
drm_dp_dual_mode_helper.c drm/display: Don't assume dual mode adaptors support i2c sub-addressing 2022-11-15 23:31:02 +02:00
drm_dp_helper_internal.h
drm_dp_helper.c drm/dp: Don't attempt AUX transfers when eDP panels are not powered 2024-06-12 11:11:57 +02:00
drm_dp_mst_topology_internal.h
drm_dp_mst_topology.c drm/dp_mst: Skip CSN if topology probing is not done yet 2024-08-14 13:59:00 +02:00
drm_dsc_helper.c drm/display/dsc: Add drm_dsc_get_bpp_int helper 2023-06-15 12:58:56 +03:00
drm_hdcp_helper.c drm/sysfs: rename drm_sysfs_connector_status_event() 2023-06-23 15:54:00 +02:00
drm_hdmi_helper.c drm/display: Don't block HDR_OUTPUT_METADATA on unknown EOTF 2023-03-07 15:54:18 -05:00
drm_scdc_helper.c drm/scdc-helper: Pimp SCDC debugs 2023-04-06 01:30:12 +03:00
Kconfig drm/display: Fix build error without CONFIG_OF 2022-06-23 16:18:02 +02:00
Makefile drm: split build lists one per line and sort 2022-10-12 17:00:05 +03:00