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| author | Wayne Lin <Wayne.Lin@amd.com> | 2025-05-13 16:06:50 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-20 18:30:39 +0200 |
| commit | bd821df9cc411a24cad03acced976cc3e273ad6c (patch) | |
| tree | 85fd0579ed6105822d9dbd44bc36b32a7a53e284 /kernel/rcu/tree_plugin.h | |
| parent | 0793ce8b0dc64949179413b7747c464ee9bf5a9d (diff) | |
drm/amd/display: Avoid trying AUX transactions on disconnected ports
[ Upstream commit deb24e64c8881c462b29e2c69afd9e6669058be5 ]
[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>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
0 files changed, 0 insertions, 0 deletions