On Mon, Jan 11, 2021 at 2:20 PM Lee Jones <lee.jones@xxxxxxxxxx> wrote: > > This file uses a complex abstracted set of hierarchical macros to > setup its applicable register lists within constant structures. > However in the case of TMDS_CNTL we wish to mark it as not applicable > for this use-case. > > One method would be to de-const all of the definitions and users, then > manually zero out TMDS_CNTL from the list. Another would be to create > a new set of hierarchical macros to omit TMDS_CNTL entirely. Both > would entail a great deal of unnecessary changes and maintenance > burden. > > Instead, let's just silence the warning. > > Fixes the following W=1 kernel build warning(s): > > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:281:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[0].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:281:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:282:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[1].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:282:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:283:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[2].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:283:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:284:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[3].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:284:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:285:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[4].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:285:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: warning: initialized field overwritten [-Woverride-init] > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:286:2: note: in expansion of macro ‘stream_enc_regs’ > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:277:15: note: (near initialization for ‘stream_enc_regs[5].TMDS_CNTL’) > drivers/gpu/drm/amd/amdgpu/../display/dc/dce120/dce120_resource.c:286:2: note: in expansion of macro ‘stream_enc_regs’ > > Cc: Harry Wentland <harry.wentland@xxxxxxx> > Cc: Leo Li <sunpeng.li@xxxxxxx> > Cc: Alex Deucher <alexander.deucher@xxxxxxx> > Cc: "Christian König" <christian.koenig@xxxxxxx> > Cc: David Airlie <airlied@xxxxxxxx> > Cc: Daniel Vetter <daniel@xxxxxxxx> > Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> Applied. Thanks! Alex > --- > drivers/gpu/drm/amd/display/dc/dce120/Makefile | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/amd/display/dc/dce120/Makefile b/drivers/gpu/drm/amd/display/dc/dce120/Makefile > index 37db1f8d45ea5..a9cc4b73270bb 100644 > --- a/drivers/gpu/drm/amd/display/dc/dce120/Makefile > +++ b/drivers/gpu/drm/amd/display/dc/dce120/Makefile > @@ -24,6 +24,8 @@ > # It provides the control and status of HW CRTC block. > > > +CFLAGS_$(AMDDALPATH)/dc/dce120/dce120_resource.o = $(call cc-disable-warning, override-init) > + > DCE120 = dce120_resource.o dce120_timing_generator.o \ > dce120_hw_sequencer.o > > -- > 2.25.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
