From 097cbf2648e08ef7f24d484ce576902d6f86af42 Mon Sep 17 00:00:00 2001 From: Wayne Lin Date: Fri, 8 Oct 2021 15:08:37 +0800 Subject: [PATCH] drm/amd/display: Fix Werror when building [Why & How] Got Werror when building with Clang-13: drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:195:2: error: variable 'ts' is used uninitialized whenever switch default is taken [-Werror,-Wsometimes-uninitialized] default: ^~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:200:9: note: uninitialized use occurs here return ts; ^~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dpia.c:180:2: note: variable 'ts' is declared here enum dpia_set_config_ts ts; ^ 1 error generated. Fix it. Reported-by: Mike Lothian Signed-off-by: Wayne Lin Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c index 8387767..8971d7a 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c @@ -193,6 +193,7 @@ static enum dpia_set_config_ts convert_trng_ptn_to_trng_stg(enum dc_dp_training_ ts = DPIA_TS_TPS4; break; default: + ts = DPIA_TS_DPRX_DONE; ASSERT(false); /* TPS not supported by helper function. */ break; } -- 2.7.4