leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amd/display: add new dc debug structure to track debug data

Browse Source 
[why]
Some DTN tests still failing @ 2%  Need to reduce.

[how]
add instrumentation code to driver so we can get more information from failed runs.

Signed-off-by: Jun Lei <Jun.Lei@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jun Lei 2018-06-22 16:51:47 -04:00 committed by Alex Deucher
parent 68199bd16c
commit d6e75df4e5
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -1028,6 +1028,9 @@ enum link_training_result dc_link_dp_perform_link_training(
lt_settings.lane_settings[0].VOLTAGE_SWING,
lt_settings.lane_settings[0].PRE_EMPHASIS);
if (status != LINK_TRAINING_SUCCESS)
link->ctx->dc->debug.debug_data.ltFailCount++;
return status;
}

5
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -259,6 +259,11 @@ struct dc_debug {
bool scl_reset_length10;
bool hdmi20_disable;
struct {
uint32_t ltFailCount;
uint32_t i2cErrorCount;
uint32_t auxErrorCount;
} debug_data;
};
struct dc_state;
struct resource_pool;