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linux/drivers/gpu/drm/amd/display/dc/link
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Wayne Lin bd821df9cc drm/amd/display: Avoid trying AUX transactions on disconnected ports 
[ Upstream commit deb24e64c8 ]

[Why & How]
Observe that we try to access DPCD 0x600h of disconnected DP ports.
In order not to wasting time on retrying these ports, call
dpcd_write_rx_power_ctrl() after checking its connection status.

Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-08-20 18:30:39 +02:00
..
accessories
drm/amd/display: Update HPO I/O When Handling Link Retrain Automation Request
2024-08-20 22:14:13 -04:00
hwss
drm/amd/display: Restructure dpia link training
2024-09-18 16:15:07 -04:00
protocols
drm/amd/display: Update CR AUX RD interval interpretation
2025-05-29 11:02:53 +02:00
link_detection.c
drm/amd/display: Allow UHBR Interop With eDP Supported Link Rates Table
2024-08-20 22:14:13 -04:00
link_detection.h
drm/amd/display: convert link.h functions to function pointer style
2023-03-14 15:35:03 -04:00
link_dpms.c
drm/amd/display: Avoid trying AUX transactions on disconnected ports
2025-08-20 18:30:39 +02:00
link_dpms.h
drm/amd/display: convert link.h functions to function pointer style
2023-03-14 15:35:03 -04:00
link_factory.c
drm/amd/display: fix double free issue during amdgpu module unload
2024-08-20 22:14:14 -04:00
link_factory.h
drm/amd/display: convert link.h functions to function pointer style
2023-03-14 15:35:03 -04:00
link_hwss_hpo_frl.c
drm/amd/display: extract set stream attribute to link_hwss
2022-04-05 10:29:48 -04:00
link_resource.c
drm/amd/display: move public dc link function implementation to dc_link_exports
2023-02-14 16:06:28 -05:00
link_resource.h
drm/amd/display: convert link.h functions to function pointer style
2023-03-14 15:35:03 -04:00
link_validation.c
drm/amd/display: Implement new DPCD register handling
2024-09-18 16:15:06 -04:00
link_validation.h
drm/amd/display: Add HDMI capacity computations using fixed31_32
2024-01-03 10:31:30 -05:00
Makefile
drm/amd/display: Drop unused link FPGA code
2023-09-26 16:54:37 -04:00