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drm/amd/display: Don't call dm_log_to_buffer directly in dc_conn_log

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dm_log_to_buffer logs unconditionally, so calling it directly resulted
in the main message being logged even when the event type isn't enabled
in the event mask.

To fix this, use the new dm_logger_append_va API.

Fixes spurious messages like

 [drm] {1920x1200, 2080x1235@154000Khz}

in dmesg when a mode is set.

v2:
* Use new dm_logger_append_va API, fixes incorrect va_list usage in v1
* Just use and decrease entry.buf_offset to get rid of the trailing
  newline

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2017-11-28 12:06:13 +01:00 committed by Alex Deucher
parent d6f068a53b
commit 38636603d8
1 changed files with 3 additions and 7 deletions
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10
drivers/gpu/drm/amd/display/dc/basics/log_helpers.c
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@ -83,15 +83,11 @@ void dc_conn_log(struct dc_context *ctx,
link->link_index);
va_start(args, msg);
entry.buf_offset += dm_log_to_buffer(
&entry.buf[entry.buf_offset],
LOG_MAX_LINE_SIZE - entry.buf_offset,
msg, args);
dm_logger_append_va(&entry, msg, args);
if (entry.buf[strlen(entry.buf) - 1] == '\n') {
entry.buf[strlen(entry.buf) - 1] = '\0';
if (entry.buf_offset > 0 &&
entry.buf[entry.buf_offset - 1] == '\n')
entry.buf_offset--;
}
if (hex_data)
for (i = 0; i < hex_data_count; i++)