These warning can cause build failure: display/dc/dcn10/dcn10_hw_sequencer_debug.c: In function ‘snprintf_count’: display/dc/dcn10/dcn10_hw_sequencer_debug.c:56:2: warning: function ‘snprintf_count’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] The warning being disabled by this pragma is GCC specific. Guard its use with CONFIG_CC_IS_GCC so that it is not used with clang to clear up the error. Cc: Hamza Mahfooz <hamza.mahfooz@xxxxxxx> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx> Cc: Harry Wentland <harry.wentland@xxxxxxx> Cc: Aurabindo Pillai <aurabindo.pillai@xxxxxxx> Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@xxxxxxx> --- v2: - Alternate Solution 2: for proposed https://patchwork.freedesktop.org/patch/540285/8, suspect that code is in DC, to see if it compiles even on windows also. .../gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c index a0f8e31d2adc..e14b6747bbcc 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer_debug.c @@ -45,6 +45,10 @@ #include "dcn10_cm_common.h" #include "clk_mgr.h" +#ifdef CONFIG_CC_IS_GCC +#pragma GCC diagnostic ignored "-Wsuggest-attribute=format" +#endif + unsigned int snprintf_count(char *pBuf, unsigned int bufSize, char *fmt, ...) { int ret_vsnprintf; -- 2.25.1
