diff options
| author | George Shen <[email protected]> | 2021-05-04 15:31:37 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2021-05-19 22:38:59 -0400 |
| commit | 5e9ff15976c203fc7940cb47ace63c9391100bd6 (patch) | |
| tree | 0aebc9a8885cbaedbbf4cbad5c527972c9e52e07 | |
| parent | 194038fd736f8907b5be786092696e5631d5bdf0 (diff) | |
drm/amd/display: Minor refactor of DP PHY test automation
[Why]
Improve readability and maintainability of code.
[How]
Refactor test pattern size calculation out of function
call parameter and store value in variable.
Signed-off-by: George Shen <[email protected]>
Reviewed-by: Wenjing Liu <[email protected]>
Acked-by: Stylon Wang <[email protected]>
Tested-by: Daniel Wheeler <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 4a08fe095476..74c62cb86312 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2755,9 +2755,10 @@ static void dp_test_send_phy_test_pattern(struct dc_link *link) union phy_test_pattern dpcd_test_pattern; union lane_adjust dpcd_lane_adjustment[2]; unsigned char dpcd_post_cursor_2_adjustment = 0; - unsigned char test_80_bit_pattern[ + unsigned char test_pattern_buffer[ (DP_TEST_80BIT_CUSTOM_PATTERN_79_72 - DP_TEST_80BIT_CUSTOM_PATTERN_7_0)+1] = {0}; + unsigned int test_pattern_size = 0; enum dp_test_pattern test_pattern; struct dc_link_training_settings link_settings; union lane_adjust dpcd_lane_adjust; @@ -2827,12 +2828,15 @@ static void dp_test_send_phy_test_pattern(struct dc_link *link) break; } - if (test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM) + if (test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM) { + test_pattern_size = (DP_TEST_80BIT_CUSTOM_PATTERN_79_72 - + DP_TEST_80BIT_CUSTOM_PATTERN_7_0) + 1; core_link_read_dpcd( link, DP_TEST_80BIT_CUSTOM_PATTERN_7_0, - test_80_bit_pattern, - sizeof(test_80_bit_pattern)); + test_pattern_buffer, + test_pattern_size); + } /* prepare link training settings */ link_settings.link = link->cur_link_settings; @@ -2870,9 +2874,8 @@ static void dp_test_send_phy_test_pattern(struct dc_link *link) test_pattern, DP_TEST_PATTERN_COLOR_SPACE_UNDEFINED, &link_training_settings, - test_80_bit_pattern, - (DP_TEST_80BIT_CUSTOM_PATTERN_79_72 - - DP_TEST_80BIT_CUSTOM_PATTERN_7_0)+1); + test_pattern_buffer, + test_pattern_size); } static void dp_test_send_link_test_pattern(struct dc_link *link) |