From: Wayne Lin Date: Fri, 8 Oct 2021 07:08:37 +0000 (+0800) Subject: drm/amd/display: Fix Werror when building X-Git-Tag: block-5.16-2021-11-13~77^2~11^2~4 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=097cbf2648e08ef7f24d484ce576902d6f86af42;p=linux-block.git 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 --- 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 8387767ec1b3..8971d7af8113 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; }