diff options
| author |   Alex Deucher <alexdeucher@gmail.com> | 2014-03-21 10:34:08 -0400 |
|---|---|---|
| committer |   Christian König <christian.koenig@amd.com> | 2014-03-25 13:13:23 +0100 |
| commit | ab8f1a2a0a7a9882e1214e4f5107e2a02705d11e (patch) | |
| tree | 2fdb8a135b9dfc4f916f6e7531b441ea2b65d5c4 /drivers/gpu/drm/radeon | |
| parent | drm/radeon: use the new drm helpers for dp aux (diff) | |
| download | linux-dev-ab8f1a2a0a7a9882e1214e4f5107e2a02705d11e.tar.xz linux-dev-ab8f1a2a0a7a9882e1214e4f5107e2a02705d11e.zip | |
drm/radeon: use drm_dp_dpcd_read_link_status()
Replace the radeon specific version with the generic version.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 8d8f84676544..8b0ab170cef9 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -549,32 +549,12 @@ int radeon_dp_mode_valid_helper(struct drm_connector *connector, return MODE_OK; } -static bool radeon_dp_get_link_status(struct radeon_connector *radeon_connector, - u8 link_status[DP_LINK_STATUS_SIZE]) -{ - struct radeon_connector_atom_dig *dig_connector; - int ret; - - if (!radeon_connector->con_priv) - return false; - dig_connector = radeon_connector->con_priv; - - ret = drm_dp_dpcd_read(&dig_connector->dp_i2c_bus->aux, DP_LANE0_1_STATUS, - link_status, DP_LINK_STATUS_SIZE); - if (ret <= 0) { - return false; - } - - DRM_DEBUG_KMS("link status %6ph\n", link_status); - return true; -} - bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector) { u8 link_status[DP_LINK_STATUS_SIZE]; struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; - if (!radeon_dp_get_link_status(radeon_connector, link_status)) + if (drm_dp_dpcd_read_link_status(&dig->dp_i2c_bus->aux, link_status) <= 0) return false; if (drm_dp_channel_eq_ok(link_status, dig->dp_lane_count)) return false; @@ -605,7 +585,6 @@ struct radeon_dp_link_train_info { struct radeon_device *rdev; struct drm_encoder *encoder; struct drm_connector *connector; - struct radeon_connector *radeon_connector; int enc_id; int dp_clock; int dp_lane_count; @@ -752,7 +731,8 @@ static int radeon_dp_link_train_cr(struct radeon_dp_link_train_info *dp_info) while (1) { drm_dp_link_train_clock_recovery_delay(dp_info->dpcd); - if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status)) { + if (drm_dp_dpcd_read_link_status(dp_info->aux, + dp_info->link_status) <= 0) { DRM_ERROR("displayport link status failed\n"); break; } @@ -814,7 +794,8 @@ static int radeon_dp_link_train_ce(struct radeon_dp_link_train_info *dp_info) while (1) { drm_dp_link_train_channel_eq_delay(dp_info->dpcd); - if (!radeon_dp_get_link_status(dp_info->radeon_connector, dp_info->link_status)) { + if (drm_dp_dpcd_read_link_status(dp_info->aux, + dp_info->link_status) <= 0) { DRM_ERROR("displayport link status failed\n"); break; } @@ -907,7 +888,6 @@ void radeon_dp_link_train(struct drm_encoder *encoder, dp_info.rdev = rdev; dp_info.encoder = encoder; dp_info.connector = connector; - dp_info.radeon_connector = radeon_connector; dp_info.dp_lane_count = dig_connector->dp_lane_count; dp_info.dp_clock = dig_connector->dp_clock; dp_info.aux = &dig_connector->dp_i2c_bus->aux; |