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drm/amd/display: Fix IGT link training failure on Replay panel

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[Why]
IGT link-training-configs test fails to set the link rate on Replay panels
because some link rate types are not supported in debugfs. As a result,
debugfs treats these link rates as invalid, causing the IGT test to fail.

[How]
Add missing link rate types to resolve this issue.

Reviewed-by: ChiaHsuan Chung <chiahsuan.chung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ray Wu 2026-01-20 16:29:38 +08:00 committed by Alex Deucher
parent 9ef84a3075
commit bb4099c7d9
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
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@ -302,8 +302,11 @@ static ssize_t dp_link_settings_write(struct file *f, const char __user *buf,
switch (param[1]) {
case LINK_RATE_LOW:
case LINK_RATE_RATE_2:
case LINK_RATE_RATE_3:
case LINK_RATE_HIGH:
case LINK_RATE_RBR2:
case LINK_RATE_RATE_6:
case LINK_RATE_HIGH2:
case LINK_RATE_HIGH3:
case LINK_RATE_UHBR10: