It looks like it could be used inside the DC_TRACE_LEVEL_MESSAGE() macro. Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c: In function ‘dpcd_set_source_specific_data’: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:4403:18: warning: variable ‘result_write_min_hblank’ set but not used [-Wunused-but-set-variable] Cc: Harry Wentland <[email protected]> Cc: Leo Li <[email protected]> Cc: Alex Deucher <[email protected]> Cc: "Christian König" <[email protected]> Cc: David Airlie <[email protected]> Cc: Daniel Vetter <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Lee Jones <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 3c33b8fe218e5..b9e5e0eee3d24 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 @@ -4400,7 +4400,7 @@ void dp_set_fec_enable(struct dc_link *link, bool enable) void dpcd_set_source_specific_data(struct dc_link *link) { if (!link->dc->vendor_signature.is_valid) { - enum dc_status result_write_min_hblank = DC_NOT_SUPPORTED; + enum dc_status __maybe_unused result_write_min_hblank = DC_NOT_SUPPORTED; struct dpcd_amd_signature amd_signature; amd_signature.AMD_IEEE_TxSignature_byte1 = 0x0; amd_signature.AMD_IEEE_TxSignature_byte2 = 0x0; -- 2.25.1

