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| author |   Michael Strauss <michael.strauss@amd.com> | 2024-04-09 12:00:34 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2024-04-30 09:46:00 -0400 |
| commit | 10839ee6a977ed1f7d0f4deb29f2d7e5d1f2a9dd (patch) | |
| tree | f04d590fee7bd2bd85fd9478bdfd04221411f100 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | |
| parent | drm/amd/display: Handle HPD_IRQ for internal link (diff) | |
| download | linux-rng-10839ee6a977ed1f7d0f4deb29f2d7e5d1f2a9dd.tar.xz linux-rng-10839ee6a977ed1f7d0f4deb29f2d7e5d1f2a9dd.zip | |
drm/amd/display: Add delay to improve LTTPR UHBR interop
[WHY]
Avoid race condition which puts LTTPR into bad state during UHBR LT.
[HOW]
Delay 30ms between starting UHBR TPS1 PHY output and sending TPS1 via DPCD.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c')
0 files changed, 0 insertions, 0 deletions