};
static const int dp_clocks[] = {
- 54000, // 1 lane, 1.62 Ghz
- 90000, // 1 lane, 2.70 Ghz
- 108000, // 2 lane, 1.62 Ghz
- 180000, // 2 lane, 2.70 Ghz
- 216000, // 4 lane, 1.62 Ghz
- 360000, // 4 lane, 2.70 Ghz
+ 54000, /* 1 lane, 1.62 Ghz */
+ 90000, /* 1 lane, 2.70 Ghz */
+ 108000, /* 2 lane, 1.62 Ghz */
+ 180000, /* 2 lane, 2.70 Ghz */
+ 216000, /* 4 lane, 1.62 Ghz */
+ 360000, /* 4 lane, 2.70 Ghz */
};
static const int num_dp_clocks = sizeof(dp_clocks) / sizeof(int);
u8 this_v = dp_get_adjust_request_voltage(link_status, lane);
u8 this_p = dp_get_adjust_request_pre_emphasis(link_status, lane);
- DRM_INFO("requested signal parameters: lane %d voltage %s pre_emph %s\n",
- lane,
- voltage_names[this_v >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
- pre_emph_names[this_p >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
+ DRM_DEBUG("requested signal parameters: lane %d voltage %s pre_emph %s\n",
+ lane,
+ voltage_names[this_v >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
+ pre_emph_names[this_p >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
if (this_v > v)
v = this_v;
if (p >= dp_pre_emphasis_max(v))
p = dp_pre_emphasis_max(v) | DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
- DRM_INFO("using signal parameters: voltage %s pre_emph %s\n",
- voltage_names[(v & DP_TRAIN_VOLTAGE_SWING_MASK) >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
- pre_emph_names[(p & DP_TRAIN_PRE_EMPHASIS_MASK) >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
+ DRM_DEBUG("using signal parameters: voltage %s pre_emph %s\n",
+ voltage_names[(v & DP_TRAIN_VOLTAGE_SWING_MASK) >> DP_TRAIN_VOLTAGE_SWING_SHIFT],
+ pre_emph_names[(p & DP_TRAIN_PRE_EMPHASIS_MASK) >> DP_TRAIN_PRE_EMPHASIS_SHIFT]);
for (lane = 0; lane < 4; lane++)
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,
{
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;
memset(&args, 0, sizeof(args));
base = (unsigned char *)rdev->mode_info.atom_context->scratch;
+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;
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
- if (args.ucReplyStatus) {
- DRM_ERROR("failed to get auxch %02x%02x %02x %02x 0x%02x %02x\n",
+ 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);
+ 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);
}
}
dig_connector->dp_i2c_bus->rec.i2c_id, 0);
}
-void radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
+bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector)
{
struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;
u8 msg[25];
memcpy(dig_connector->dpcd, msg, 8);
{
int i;
- printk("DPCD: ");
+ DRM_DEBUG("DPCD: ");
for (i = 0; i < 8; i++)
- printk("%02x ", msg[i]);
- printk("\n");
+ DRM_DEBUG("%02x ", msg[i]);
+ DRM_DEBUG("\n");
}
- return;
+ return true;
}
dig_connector->dpcd[0] = 0;
- return;
+ return false;
}
void radeon_dp_set_link_config(struct drm_connector *connector,
struct radeon_connector *radeon_connector;
struct radeon_connector_atom_dig *dig_connector;
- if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) &&
+ (connector->connector_type != DRM_MODE_CONNECTOR_eDP))
return;
radeon_connector = to_radeon_connector(connector);
return false;
}
- DRM_INFO("link status %02x %02x %02x %02x %02x %02x\n",
- link_status[0], link_status[1], link_status[2],
- link_status[3], link_status[4], link_status[5]);
+ DRM_DEBUG("link status %02x %02x %02x %02x %02x %02x\n",
+ link_status[0], link_status[1], link_status[2],
+ link_status[3], link_status[4], link_status[5]);
+ return true;
+}
+
+bool radeon_dp_needs_link_train(struct radeon_connector *radeon_connector)
+{
+ struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;
+ u8 link_status[DP_LINK_STATUS_SIZE];
+
+ if (!atom_dp_get_link_status(radeon_connector, link_status))
+ return false;
+ if (dp_channel_eq_ok(link_status, dig_connector->dp_lane_count))
+ return false;
return true;
}
u8 train_set[4];
int i;
- if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+ if ((connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) &&
+ (connector->connector_type != DRM_MODE_CONNECTOR_eDP))
return;
if (!radeon_encoder->enc_priv)
return;
dig_connector = radeon_connector->con_priv;
- if (ASIC_IS_DCE32(rdev)) {
- if (dig->dig_block)
- enc_id |= ATOM_DP_CONFIG_DIG2_ENCODER;
- else
- enc_id |= ATOM_DP_CONFIG_DIG1_ENCODER;
- if (dig_connector->linkb)
- enc_id |= ATOM_DP_CONFIG_LINK_B;
- else
- enc_id |= ATOM_DP_CONFIG_LINK_A;
- } else {
- if (dig_connector->linkb)
- enc_id |= ATOM_DP_CONFIG_DIG2_ENCODER | ATOM_DP_CONFIG_LINK_B;
- else
- enc_id |= ATOM_DP_CONFIG_DIG1_ENCODER | ATOM_DP_CONFIG_LINK_A;
- }
+ if (dig->dig_encoder)
+ enc_id |= ATOM_DP_CONFIG_DIG2_ENCODER;
+ else
+ enc_id |= ATOM_DP_CONFIG_DIG1_ENCODER;
+ if (dig_connector->linkb)
+ enc_id |= ATOM_DP_CONFIG_LINK_B;
+ else
+ enc_id |= ATOM_DP_CONFIG_LINK_A;
memset(link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
if (dig_connector->dp_clock == 270000)
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);
if (!clock_recovery)
DRM_ERROR("clock recovery failed\n");
else
- DRM_INFO("clock recovery at voltage %d pre-emphasis %d\n",
- train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
- (train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK) >>
- DP_TRAIN_PRE_EMPHASIS_SHIFT);
+ DRM_DEBUG("clock recovery at voltage %d pre-emphasis %d\n",
+ train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
+ (train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK) >>
+ DP_TRAIN_PRE_EMPHASIS_SHIFT);
/* 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;
if (!channel_eq)
DRM_ERROR("channel eq failed\n");
else
- DRM_INFO("channel eq at voltage %d pre-emphasis %d\n",
- train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
- (train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK)
- >> DP_TRAIN_PRE_EMPHASIS_SHIFT);
+ DRM_DEBUG("channel eq at voltage %d pre-emphasis %d\n",
+ train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK,
+ (train_set[0] & DP_TRAIN_PRE_EMPHASIS_MASK)
+ >> DP_TRAIN_PRE_EMPHASIS_SHIFT);
/* 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,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff