diff options
| author | Aric Cyr <aric.cyr@amd.com> | 2021-10-07 21:34:53 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-10-28 14:26:15 -0400 |
| commit | 8df219bb7d4b14e4e82b3db6da4a73f1b0b767d3 (patch) | |
| tree | 6d88532a226c6348217e31d59ee5cf0c532dadd6 /drivers/gpu/drm/amd/display/include/gpio_service_interface.h | |
| parent | 1072461cd7725f3e7957371ffb15abf2b82e2720 (diff) | |
drm/amd/display: Handle I2C-over-AUX write channel status update
[Why]
When writing long AUX commands some sinks will respond will write status
update requiring source to read status.
[How]
When a write request is replied with data (AUX_ACK_M), retry a read of
write status to determine when the write is completed.
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/include/gpio_service_interface.h')
0 files changed, 0 insertions, 0 deletions