diff options
Diffstat (limited to 'drivers/gpu/drm/drm_dp_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_dp_helper.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 89e196627160..9e978aae8972 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -228,12 +228,12 @@ i2c_dp_aux_add_bus(struct i2c_adapter *adapter) EXPORT_SYMBOL(i2c_dp_aux_add_bus); /* Helpers for DP link training */ -static u8 dp_link_status(u8 link_status[DP_LINK_STATUS_SIZE], int r) +static u8 dp_link_status(const u8 link_status[DP_LINK_STATUS_SIZE], int r) { return link_status[r - DP_LANE0_1_STATUS]; } -static u8 dp_get_lane_status(u8 link_status[DP_LINK_STATUS_SIZE], +static u8 dp_get_lane_status(const u8 link_status[DP_LINK_STATUS_SIZE], int lane) { int i = DP_LANE0_1_STATUS + (lane >> 1); @@ -242,7 +242,7 @@ static u8 dp_get_lane_status(u8 link_status[DP_LINK_STATUS_SIZE], return (l >> s) & 0xf; } -bool drm_dp_channel_eq_ok(u8 link_status[DP_LINK_STATUS_SIZE], +bool drm_dp_channel_eq_ok(const u8 link_status[DP_LINK_STATUS_SIZE], int lane_count) { u8 lane_align; @@ -262,7 +262,7 @@ bool drm_dp_channel_eq_ok(u8 link_status[DP_LINK_STATUS_SIZE], } EXPORT_SYMBOL(drm_dp_channel_eq_ok); -bool drm_dp_clock_recovery_ok(u8 link_status[DP_LINK_STATUS_SIZE], +bool drm_dp_clock_recovery_ok(const u8 link_status[DP_LINK_STATUS_SIZE], int lane_count) { int lane; @@ -277,7 +277,7 @@ bool drm_dp_clock_recovery_ok(u8 link_status[DP_LINK_STATUS_SIZE], } EXPORT_SYMBOL(drm_dp_clock_recovery_ok); -u8 drm_dp_get_adjust_request_voltage(u8 link_status[DP_LINK_STATUS_SIZE], +u8 drm_dp_get_adjust_request_voltage(const u8 link_status[DP_LINK_STATUS_SIZE], int lane) { int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1); @@ -290,7 +290,7 @@ u8 drm_dp_get_adjust_request_voltage(u8 link_status[DP_LINK_STATUS_SIZE], } EXPORT_SYMBOL(drm_dp_get_adjust_request_voltage); -u8 drm_dp_get_adjust_request_pre_emphasis(u8 link_status[DP_LINK_STATUS_SIZE], +u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SIZE], int lane) { int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1); @@ -303,7 +303,7 @@ u8 drm_dp_get_adjust_request_pre_emphasis(u8 link_status[DP_LINK_STATUS_SIZE], } EXPORT_SYMBOL(drm_dp_get_adjust_request_pre_emphasis); -void drm_dp_link_train_clock_recovery_delay(u8 dpcd[DP_RECEIVER_CAP_SIZE]) { +void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { if (dpcd[DP_TRAINING_AUX_RD_INTERVAL] == 0) udelay(100); else @@ -311,7 +311,7 @@ void drm_dp_link_train_clock_recovery_delay(u8 dpcd[DP_RECEIVER_CAP_SIZE]) { } EXPORT_SYMBOL(drm_dp_link_train_clock_recovery_delay); -void drm_dp_link_train_channel_eq_delay(u8 dpcd[DP_RECEIVER_CAP_SIZE]) { +void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { if (dpcd[DP_TRAINING_AUX_RD_INTERVAL] == 0) udelay(400); else |