[radeon-alex:amd-20.45 2016/2427] drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:62: warning: passing argument 1 of 'drm_gem_fb_get_obj' discards 'const' qualifier from pointer target type
kernel test robot
lkp at intel.com
Tue Dec 15 05:23:47 UTC 2020
tree: git://people.freedesktop.org/~agd5f/linux.git amd-20.45
head: a3950d94b046fb206e58fd3ec717f071c0203ba3
commit: e1357d7a01b8b3bf23e71415eb7ca101902ee6b4 [2016/2427] drm/amdkcl: fake drm_gem_fb_get_obj & kcl_drm_gem_fb_set_obj
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git
git fetch --no-tags radeon-alex amd-20.45
git checkout e1357d7a01b8b3bf23e71415eb7ca101902ee6b4
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:33:
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:785:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
785 | uint64_t temp;
| ^~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_notify_freesync':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3659:30: warning: variable 'old_con_state' set but not used [-Wunused-but-set-variable]
3659 | struct drm_connector_state *old_con_state, *new_con_state;
| ^~~~~~~~~~~~~
In file included from include/asm-generic/bug.h:19,
from arch/mips/include/asm/bug.h:42,
from include/linux/bug.h:5,
from arch/mips/include/asm/cmpxchg.h:11,
from arch/mips/include/asm/atomic.h:22,
from include/linux/atomic.h:7,
from include/linux/rcupdate.h:25,
from include/kcl/kcl_rcupdate.h:5,
from include/kcl/kcl_fence.h:6,
from include/kcl/backport/kcl_fence_backport.h:4,
from drivers/gpu/drm/amd/backport/backport.h:11,
from <command-line>:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'get_fb_info':
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:62: warning: passing argument 1 of 'drm_gem_fb_get_obj' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:986:26: note: in definition of macro 'container_of'
986 | void *__mptr = (void *)(ptr); \
| ^~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:26: note: in expansion of macro 'gem_to_amdgpu_bo'
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu_drm_fb_helper.h:6,
from drivers/gpu/drm/amd/backport/backport.h:59,
from <command-line>:
include/drm/drm_gem_framebuffer_helper.h:15:24: note: expected 'struct drm_framebuffer *' but argument is of type 'const struct drm_framebuffer *'
15 | struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/rcupdate.h:24,
from include/kcl/kcl_rcupdate.h:5,
from include/kcl/kcl_fence.h:6,
from include/kcl/backport/kcl_fence_backport.h:4,
from drivers/gpu/drm/amd/backport/backport.h:11,
from <command-line>:
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:62: warning: passing argument 1 of 'drm_gem_fb_get_obj' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert'
330 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:987:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
987 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:987:20: note: in expansion of macro '__same_type'
987 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h:34:32: note: in expansion of macro 'container_of'
34 | #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:26: note: in expansion of macro 'gem_to_amdgpu_bo'
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu_drm_fb_helper.h:6,
from drivers/gpu/drm/amd/backport/backport.h:59,
from <command-line>:
include/drm/drm_gem_framebuffer_helper.h:15:24: note: expected 'struct drm_framebuffer *' but argument is of type 'const struct drm_framebuffer *'
15 | struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
| ^~~~~~~~~~~~~~~~~~
In file included from include/linux/rcupdate.h:24,
from include/kcl/kcl_rcupdate.h:5,
from include/kcl/kcl_fence.h:6,
from include/kcl/backport/kcl_fence_backport.h:4,
from drivers/gpu/drm/amd/backport/backport.h:11,
from <command-line>:
>> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:62: warning: passing argument 1 of 'drm_gem_fb_get_obj' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert'
330 | if (!(condition)) \
| ^~~~~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:987:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
987 | BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
| ^~~~~~~~~~~~~~~~
include/linux/kernel.h:988:6: note: in expansion of macro '__same_type'
988 | !__same_type(*(ptr), void), \
| ^~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.h:34:32: note: in expansion of macro 'container_of'
34 | #define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3987:26: note: in expansion of macro 'gem_to_amdgpu_bo'
3987 | struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
| ^~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu_drm_fb_helper.h:6,
from drivers/gpu/drm/amd/backport/backport.h:59,
from <command-line>:
include/drm/drm_gem_framebuffer_helper.h:15:24: note: expected 'struct drm_framebuffer *' but argument is of type 'const struct drm_framebuffer *'
15 | struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_commit_cursors':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:7680:44: warning: variable 'new_plane_state' set but not used [-Wunused-but-set-variable]
7680 | struct drm_plane_state *old_plane_state, *new_plane_state;
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_atomic_check':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9643:25: warning: unused variable 'dm_old_crtc_state' [-Wunused-variable]
9643 | struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
| ^~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9642:25: warning: unused variable 'dm_new_crtc_state' [-Wunused-variable]
9642 | struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
| ^~~~~~~~~~~~~~~~~
At top level:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3598:11: warning: 'dm_get_backlight_level' defined but not used [-Wunused-function]
3598 | static u8 dm_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3592:13: warning: 'dm_set_backlight_level' defined but not used [-Wunused-function]
3592 | static void dm_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:88,
from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:31:
drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h:54:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
54 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
| ^~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:32,
from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:31:
drivers/gpu/drm/amd/display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
| ^~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:6,
from drivers/gpu/drm/amd/backport/backport.h:18,
from <command-line>:
drivers/gpu/drm/amd/amdgpu/amdgpu.h:196:19: warning: 'debug_evictions' defined but not used [-Wunused-const-variable=]
196 | static const bool debug_evictions; /* = false */
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu.h:195:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
195 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
| ^~~~~~~~~~~~
In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:6,
from drivers/gpu/drm/amd/backport/backport.h:18,
from <command-line>:
drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
| ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
| ^~~~~~~~~~~~
drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
| ^~~~~~~~~~
drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
| ^~~~~~~~~~~~~~~
drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
| ^~~~~~~~~~~
drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
| ^~~~~~~~~~~~~
vim +3987 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c
3983
3984 static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
3985 uint64_t *tiling_flags, bool *tmz_surface)
3986 {
> 3987 struct amdgpu_bo *rbo = gem_to_amdgpu_bo(drm_gem_fb_get_obj(&amdgpu_fb->base, 0));
3988 int r = amdgpu_bo_reserve(rbo, false);
3989
3990 if (unlikely(r)) {
3991 /* Don't show error message when returning -ERESTARTSYS */
3992 if (r != -ERESTARTSYS)
3993 DRM_ERROR("Unable to reserve buffer: %d\n", r);
3994 return r;
3995 }
3996
3997 if (tiling_flags)
3998 amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
3999
4000 if (tmz_surface)
4001 *tmz_surface = amdgpu_bo_encrypted(rbo);
4002
4003 amdgpu_bo_unreserve(rbo);
4004
4005 return r;
4006 }
4007
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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