diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 99915a682d5..28b31c64f48 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -321,6 +321,10 @@ static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE], train_set[lane] = v | p; } +union aux_channel_transaction { + PROCESS_AUX_CHANNEL_TRANSACTION_PS_ALLOCATION v1; + PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS_V2 v2; +}; /* radeon aux chan functions */ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes, @@ -329,7 +333,7 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes, { struct drm_device *dev = chan->dev; struct radeon_device *rdev = dev->dev_private; - PROCESS_AUX_CHANNEL_TRANSACTION_PS_ALLOCATION args; + union aux_channel_transaction args; int index = GetIndexIntoMasterTable(COMMAND, ProcessAuxChannelTransaction); unsigned char *base; int retry_count = 0; @@ -341,31 +345,33 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes, retry: memcpy(base, req_bytes, num_bytes); - args.lpAuxRequest = 0; - args.lpDataOut = 16; - args.ucDataOutLen = 0; - args.ucChannelID = chan->rec.i2c_id; - args.ucDelay = delay / 10; + args.v1.lpAuxRequest = 0; + args.v1.lpDataOut = 16; + args.v1.ucDataOutLen = 0; + args.v1.ucChannelID = chan->rec.i2c_id; + args.v1.ucDelay = delay / 10; + if (ASIC_IS_DCE4(rdev)) + args.v2.ucHPD_ID = chan->rec.hpd_id; atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); - if (args.ucReplyStatus && !args.ucDataOutLen) { - if (args.ucReplyStatus == 0x20 && retry_count++ < 10) + if (args.v1.ucReplyStatus && !args.v1.ucDataOutLen) { + if (args.v1.ucReplyStatus == 0x20 && retry_count++ < 10) goto retry; DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n", req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3], - chan->rec.i2c_id, args.ucReplyStatus, retry_count); + chan->rec.i2c_id, args.v1.ucReplyStatus, retry_count); return false; } - if (args.ucDataOutLen && read_byte && read_buf_len) { - if (read_buf_len < args.ucDataOutLen) { + if (args.v1.ucDataOutLen && read_byte && read_buf_len) { + if (read_buf_len < args.v1.ucDataOutLen) { DRM_ERROR("Buffer to small for return answer %d %d\n", - read_buf_len, args.ucDataOutLen); + read_buf_len, args.v1.ucDataOutLen); return false; } { - int len = min(read_buf_len, args.ucDataOutLen); + int len = min(read_buf_len, args.v1.ucDataOutLen); memcpy(read_byte, base + 16, len); } } @@ -626,12 +632,19 @@ void dp_link_train(struct drm_encoder *encoder, dp_set_link_bw_lanes(radeon_connector, link_configuration); /* disable downspread on the sink */ dp_set_downspread(radeon_connector, 0); - /* start training on the source */ - radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_START, - dig_connector->dp_clock, enc_id, 0); - /* set training pattern 1 on the source */ - radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL, - dig_connector->dp_clock, enc_id, 0); + if (ASIC_IS_DCE4(rdev)) { + /* start training on the source */ + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_START); + /* set training pattern 1 on the source */ + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1); + } else { + /* start training on the source */ + radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_START, + dig_connector->dp_clock, enc_id, 0); + /* set training pattern 1 on the source */ + radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL, + dig_connector->dp_clock, enc_id, 0); + } /* set initial vs/emph */ memset(train_set, 0, 4); @@ -691,8 +704,11 @@ void dp_link_train(struct drm_encoder *encoder, /* set training pattern 2 on the sink */ dp_set_training(radeon_connector, DP_TRAINING_PATTERN_2); /* set training pattern 2 on the source */ - radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL, - dig_connector->dp_clock, enc_id, 1); + if (ASIC_IS_DCE4(rdev)) + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2); + else + radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL, + dig_connector->dp_clock, enc_id, 1); /* channel equalization loop */ tries = 0; @@ -731,8 +747,12 @@ void dp_link_train(struct drm_encoder *encoder, /* disable the training pattern on the sink */ dp_set_training(radeon_connector, DP_TRAINING_PATTERN_DISABLE); - radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_COMPLETE, - dig_connector->dp_clock, enc_id, 0); + /* disable the training pattern on the source */ + if (ASIC_IS_DCE4(rdev)) + atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE); + else + radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_COMPLETE, + dig_connector->dp_clock, enc_id, 0); } int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, |