From: George Shen george.shen@amd.com
commit 98b02e9f002b21944176774cf420c4d674f6201c upstream.
[Why] The function currently skips overriding the drive settings of the first lane.
[How] Change for loop to start at 0 instead of 1.
Tested-by: Daniel Wheeler daniel.wheeler@amd.com Reviewed-by: Wenjing Liu Wenjing.Liu@amd.com Acked-by: Alan Liu HaoPing.Liu@amd.com Signed-off-by: George Shen george.shen@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -944,7 +944,7 @@ static void override_lane_settings(const
return;
- for (lane = 1; lane < LANE_COUNT_DP_MAX; lane++) { + for (lane = 0; lane < LANE_COUNT_DP_MAX; lane++) { if (lt_settings->voltage_swing) lane_settings[lane].VOLTAGE_SWING = *lt_settings->voltage_swing; if (lt_settings->pre_emphasis)