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drm/amd/display: Warn instead of error on REG_WAIT timeout 

[Why]
DC warns when a REG_WAIT takes a while and full-on errors
with stack dump on REG_WAIT timeout.  Most of the time it isn't
a real issue.

[How]
Make DC cool its jets - taking a while is a debug message (because
it is not something that normal users should need to be aware of),
and timeouts are warnings (because it technically shouldn't
happen, but it's not a big deal if it does)

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis 2018-11-21 10:44:07 -05:00 committed by Alex Deucher
parent 3a3cd1dfaf
commit d71589f290
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/display/dc/dc_helper.c
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@ -234,14 +234,14 @@ uint32_t generic_reg_wait(const struct dc_context *ctx,
if (field_value == condition_value) {
if (i * delay_between_poll_us > 1000 &&
!IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
dm_output_to_console("REG_WAIT taking a while: %dms in %s line:%d\n",
DC_LOG_DC("REG_WAIT taking a while: %dms in %s line:%d\n",
delay_between_poll_us * i / 1000,
func_name, line);
return reg_val;
}
}
dm_error("REG_WAIT timeout %dus * %d tries - %s line:%d\n",
DC_LOG_WARNING("REG_WAIT timeout %dus * %d tries - %s line:%d\n",
delay_between_poll_us, time_out_num_tries,
func_name, line);