Subject: linux-next: build failure after merge of the amdgpu tree

From: Stephen Rothwell <[email-masked]>
Date: Wed, 26 Jun 2019 21:22:12 +1000

Hi Alex,

After merging the amdgpu tree, today's linux-next build (powerpc
allyesconfig) failed like this:

In file included from drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:25:
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: In function 'gfx_v10_0_cp_gfx_resume':
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: error: 'CP_RB1_CNTL__BUF_SWAP_MASK' undeclared (first use in this function); did you mean 'CP_RB_CNTL__BUF_SWAP_MASK'?
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
                           ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1067:36: note: in definition of macro 'REG_FIELD_MASK'
 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
                                    ^~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
        ^~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: note: each undeclared identifier is reported only once for each function it appears in
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
                           ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1067:36: note: in definition of macro 'REG_FIELD_MASK'
 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
                                    ^~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
        ^~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: error: 'CP_RB1_CNTL__BUF_SWAP__SHIFT' undeclared (first use in this function); did you mean 'CP_RB0_CNTL__BUF_SWAP__SHIFT'?
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
                           ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu.h:1066:37: note: in definition of macro 'REG_FIELD_SHIFT'
 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
                                     ^~~
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
  tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
        ^~~~~~~~~~~~~

Caused by commit

  a644d85a5cd4 ("drm/amdgpu: add gfx v10 implementation (v10)")

I have disabled that driver for today.  Please let me know when it is
fixed so that I can enable it again.
-- 
Cheers,
Stephen Rothwell