tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 5d8e75c019bf76889bd606a67afabf7d0b32d3fa commit: 23ffa1200a5abc5b724fe87bb4a7291fce85bba2 [149/158] drm/amd/display: DAL3: HDR10 Infoframe encoding config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/ma... -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 23ffa1200a5abc5b724fe87bb4a7291fce85bba2 # save the attached .config to linux build tree make.cross ARCH=alpha

All warnings (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c: In function 'set_hdr_static_info_packet':

...

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1740:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]

struct dc_hdr_static_metadata hdr_metadata = ^~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1760:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] uint32_t data; ^~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c: In function 'set_avi_info_frame':

...

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1495:38: warning: iteration 28 invokes undefined behavior [-Waggressive-loop-optimizations]

info_packet->sb[byte_index] = info_frame.avi_info_packet. ~~~~~~~~~~~~~~~~~~~~~~~~~~~ info_packet_hdmi.packet_raw_data.sb[byte_index]; ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1493:2: note: within this loop for (byte_index = 0; byte_index < sizeof(info_packet->sb); byte_index++) ^~~ drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c: In function 'set_hdr_static_info_packet.isra.7':

...

drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:1734:11: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]

uint16_t i; ^

vim +1740 drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c

1728 1729 static void set_hdr_static_info_packet( 1730 struct core_surface *surface, 1731 struct core_stream *stream, 1732 struct hw_info_packet *info_packet) 1733 {

1734 uint16_t i;

1735 enum signal_type signal = stream->signal; 1736 1737 if (!surface) 1738 return; 1739

1740 struct dc_hdr_static_metadata hdr_metadata =

1741 surface->public.hdr_static_ctx; 1742 1743 if (dc_is_hdmi_signal(signal)) {

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