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 <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Acked-by: Agustin Gutierrez <[email protected]>
Signed-off-by: Aric Cyr <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions