[PATCH 12/40] drm/amd/display/dc/dce120/Makefile: Ignore -Woverride-init warning

[Lee Jones]

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 at amd.com>
Cc: Leo Li <sunpeng.li at amd.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian König" <christian.koenig at amd.com>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: amd-gfx at lists.freedesktop.org
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 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