diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/parade-ps8640.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/parade-ps8640.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index 083337a27966..6a614e54b383 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -304,7 +304,6 @@ static ssize_t ps8640_aux_transfer_msg(struct drm_dp_aux *aux, } switch (data & SWAUX_STATUS_MASK) { - /* Ignore the DEFER cases as they are already handled in hardware */ case SWAUX_STATUS_NACK: case SWAUX_STATUS_I2C_NACK: /* @@ -321,6 +320,14 @@ static ssize_t ps8640_aux_transfer_msg(struct drm_dp_aux *aux, case SWAUX_STATUS_ACKM: len = data & SWAUX_M_MASK; break; + case SWAUX_STATUS_DEFER: + case SWAUX_STATUS_I2C_DEFER: + if (is_native_aux) + msg->reply |= DP_AUX_NATIVE_REPLY_DEFER; + else + msg->reply |= DP_AUX_I2C_REPLY_DEFER; + len = data & SWAUX_M_MASK; + break; case SWAUX_STATUS_INVALID: return -EOPNOTSUPP; case SWAUX_STATUS_TIMEOUT: |