Commit 85019b19 authored by Pu Lehui's avatar Pu Lehui Committed by Alex Deucher
Browse files

drm/amd/display: Fix gcc unused variable warning 



GCC reports the following warning with W=1:

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:3635:17:
warning:
 variable ‘status’ set but not used [-Wunused-but-set-variable]
  3635 |  enum dc_status status = DC_ERROR_UNEXPECTED;
       |                 ^~~~~~

The variable should be used for error check, let's fix it.

Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarPu Lehui <pulehui@huawei.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 56f221b6

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -3675,6 +3675,10 @@ bool dp_retrieve_lttpr_cap(struct dc_link *link) 
				DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV,

				DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV,

				lttpr_dpcd_data,

				lttpr_dpcd_data,

				sizeof(lttpr_dpcd_data));

				sizeof(lttpr_dpcd_data));

		if (status != DC_OK) {

			dm_error("%s: Read LTTPR caps data failed.\n", __func__);

			return false;

		}





		link->dpcd_caps.lttpr_caps.revision.raw =

		link->dpcd_caps.lttpr_caps.revision.raw =

				lttpr_dpcd_data[DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV -

				lttpr_dpcd_data[DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV -