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Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

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* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: use hardcoded dig encoder to transmitter mapping for DCE4.1
  drm/radeon/kms: fix dp_detect handling for DP bridge chips
  drm/radeon/kms: retry aux transactions if there are status flags
This commit is contained in:
Linus Torvalds 2011-10-10 14:43:06 +12:00
commit 84c8611614
3 changed files with 21 additions and 21 deletions
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12
drivers/gpu/drm/radeon/atombios_dp.c
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@ -129,7 +129,9 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector,
for (retry = 0; retry < 4; retry++) {
ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
msg, msg_bytes, NULL, 0, delay, &ack);
if (ret < 0)
if (ret == -EBUSY)
continue;
else if (ret < 0)
return ret;
if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
return send_bytes;
@ -160,7 +162,9 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector,
for (retry = 0; retry < 4; retry++) {
ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus,
msg, msg_bytes, recv, recv_bytes, delay, &ack);
if (ret < 0)
if (ret == -EBUSY)
continue;
else if (ret < 0)
return ret;
if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
return ret;
@ -236,7 +240,9 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
for (retry = 0; retry < 4; retry++) {
ret = radeon_process_aux_ch(auxch,
msg, msg_bytes, reply, reply_bytes, 0, &ack);
if (ret < 0) {
if (ret == -EBUSY)
continue;
else if (ret < 0) {
DRM_DEBUG_KMS("aux_ch failed %d\n", ret);
return ret;
}

21
drivers/gpu/drm/radeon/radeon_connectors.c
View File

@ -1303,23 +1303,14 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
/* get the DPCD from the bridge */
radeon_dp_getdpcd(radeon_connector);
if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
ret = connector_status_connected;
else {
/* need to setup ddc on the bridge */
if (encoder)
radeon_atom_ext_encoder_setup_ddc(encoder);
if (encoder) {
/* setup ddc on the bridge */
radeon_atom_ext_encoder_setup_ddc(encoder);
if (radeon_ddc_probe(radeon_connector,
radeon_connector->requires_extended_probe))
radeon_connector->requires_extended_probe)) /* try DDC */
ret = connector_status_connected;
}
if ((ret == connector_status_disconnected) &&
radeon_connector->dac_load_detect) {
struct drm_encoder *encoder = radeon_best_single_encoder(connector);
struct drm_encoder_helper_funcs *encoder_funcs;
if (encoder) {
encoder_funcs = encoder->helper_private;
else if (radeon_connector->dac_load_detect) { /* try load detection */
struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
ret = encoder_funcs->detect(encoder, connector);
}
}

9
drivers/gpu/drm/radeon/radeon_encoders.c
View File

@ -1755,9 +1755,12 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
/* DCE4/5 */
if (ASIC_IS_DCE4(rdev)) {
dig = radeon_encoder->enc_priv;
if (ASIC_IS_DCE41(rdev))
return radeon_crtc->crtc_id;
else {
if (ASIC_IS_DCE41(rdev)) {
if (dig->linkb)
return 1;
else
return 0;
} else {
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
if (dig->linkb)