diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-01-14 10:29:59 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-01-20 12:05:18 -0500 |
| commit | 2138681bdde35f21b1faea26ec51a2ef1f9a9685 (patch) | |
| tree | 9becbc6f86da02ebbdc5eeab396af0a6494b8fc1 /drivers/gpu/drm/radeon/atombios_dp.c | |
| parent | d8e24525094200601236fa64a54cf73e3d682f2e (diff) | |
| download | linux-2138681bdde35f21b1faea26ec51a2ef1f9a9685.tar.bz2 | |
drm/radeon/dp: bump i2c-over-aux retries to 7
As per the DP1.2 spec. Noticed while reviewing
Thierry's drm/dp patches. Also bump native aux
retries to 7 for consistency.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_dp.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_dp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 37289f67f965..149e09aa7a03 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -161,7 +161,7 @@ static int radeon_dp_aux_native_write(struct radeon_connector *radeon_connector, msg[3] = (msg_bytes << 4) | (send_bytes - 1); memcpy(&msg[4], send, send_bytes); - for (retry = 0; retry < 4; retry++) { + for (retry = 0; retry < 7; retry++) { ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus, msg, msg_bytes, NULL, 0, delay, &ack); if (ret == -EBUSY) @@ -195,7 +195,7 @@ static int radeon_dp_aux_native_read(struct radeon_connector *radeon_connector, msg[2] = DP_AUX_NATIVE_READ << 4; msg[3] = (msg_bytes << 4) | (recv_bytes - 1); - for (retry = 0; retry < 4; retry++) { + for (retry = 0; retry < 7; retry++) { ret = radeon_process_aux_ch(dig_connector->dp_i2c_bus, msg, msg_bytes, recv, recv_bytes, delay, &ack); if (ret == -EBUSY) @@ -274,7 +274,7 @@ int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode, break; } - for (retry = 0; retry < 4; retry++) { + for (retry = 0; retry < 7; retry++) { ret = radeon_process_aux_ch(auxch, msg, msg_bytes, reply, reply_bytes, 0, &ack); if (ret == -EBUSY) |