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| author | Chiawen Huang | 2018-09-05 14:34:57 +0200 |
|---|---|---|
| committer | Alex Deucher | 2018-09-14 22:47:56 +0200 |
| commit | 16f4c69549ef676bc278be8b267a811b6f8f59ad (patch) | |
| tree | e5f8aaab544f2b3fae8b509d7286199ddfeb68b8 /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | drm/amd/display: dc 3.1.66 (diff) | |
| download | kernel-qcow2-linux-16f4c69549ef676bc278be8b267a811b6f8f59ad.tar.gz kernel-qcow2-linux-16f4c69549ef676bc278be8b267a811b6f8f59ad.tar.xz kernel-qcow2-linux-16f4c69549ef676bc278be8b267a811b6f8f59ad.zip | |
drm/amd/display: add query HPD interface.
[Why]
current dc_link_detect function is not only detection but also update some link data.
[How]
added a pure get HPD state function.
Signed-off-by: Chiawen Huang <chiawen.huang@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index d43cefbc43d3..438fb35d87b8 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -167,6 +167,7 @@ enum dc_detect_reason { }; bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); +bool dc_link_get_hpd_state(struct dc_link *dc_link); /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). * Return: |