diff options
| author | Harry Wentland <harry.wentland@amd.com> | 2018-05-08 16:28:31 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-13 14:48:29 -0500 |
| commit | 899e2aaddbfa0ff96fbaf31f0d9e91427e87dd88 (patch) | |
| tree | 2572846dc922725bce5c74f3ce74d9064092fd59 /drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h | |
| parent | aac5db824d6f5997344101ae0e71fbb003b9692b (diff) | |
drm/amd/display: Break out function to simply read aux reply
DRM's DP helpers take care of dealing with the error code for us. In
order not to step on each other's toes we'll need to be able to simply
read auch channel replies without further logic based on return values.
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h index b01488f710d5..c33a2898d967 100644 --- a/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h +++ b/drivers/gpu/drm/amd/display/dc/i2caux/aux_engine.h @@ -44,6 +44,12 @@ struct aux_engine_funcs { void (*process_channel_reply)( struct aux_engine *engine, struct aux_reply_transaction_data *reply); + int (*read_channel_reply)( + struct aux_engine *engine, + uint32_t size, + uint8_t *buffer, + uint8_t *reply_result, + uint32_t *sw_status); enum aux_channel_operation_result (*get_channel_status)( struct aux_engine *engine, uint8_t *returned_bytes); |