summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2014-01-14 10:29:59 -0500
committerAlex Deucher <alexander.deucher@amd.com>2014-01-16 10:03:58 -0500
commit8e7161ce7ca045486ea60b1d801655e9491b5631 (patch)
treeb883dbe5d0aaa473e7f53cba635719acd417c6d9
parent54c709b2f0beba42c1cd05b02e9257f45df88c8d (diff)
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>
-rw-r--r--drivers/gpu/drm/radeon/atombios_dp.c6
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)