[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 05:22:36 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: i386-randconfig-r022-20201214 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
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
make W=1 ARCH=i386
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/x86/include/asm/bug.h:83,
from include/linux/bug.h:5,
from include/linux/jump_label.h:250,
from include/linux/static_key.h:1,
from arch/x86/include/asm/nospec-branch.h:6,
from arch/x86/include/asm/irqflags.h:9,
from include/linux/irqflags.h:16,
from include/linux/rcupdate.h:26,
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 'dm_update_mst_vcpi_slots_for_dsc':
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6227:46: warning: variable 'old_con_state' set but not used [-Wunused-but-set-variable]
6227 | struct drm_connector_state *new_con_state, *old_con_state;
| ^~~~~~~~~~~~~
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/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:93:
drivers/gpu/drm/amd/include/vega10_ip_offset.h:208:29: warning: 'FUSE_BASE' defined but not used [-Wunused-const-variable=]
208 | static const struct IP_BASE FUSE_BASE = { { { { 0x00017400, 0, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:203:29: warning: 'CLK_BASE' defined but not used [-Wunused-const-variable=]
203 | static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:198:29: warning: 'PWR_BASE' defined but not used [-Wunused-const-variable=]
198 | static const struct IP_BASE PWR_BASE = { { { { 0x00016A00, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:193:29: warning: 'SMUIO_BASE' defined but not used [-Wunused-const-variable=]
193 | static const struct IP_BASE SMUIO_BASE = { { { { 0x00016800, 0, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:188:29: warning: 'THM_BASE' defined but not used [-Wunused-const-variable=]
188 | static const struct IP_BASE THM_BASE = { { { { 0x00016600, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:183:29: warning: 'UMC_BASE' defined but not used [-Wunused-const-variable=]
183 | static const struct IP_BASE UMC_BASE = { { { { 0x00014000, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:178:29: warning: 'XDMA_BASE' defined but not used [-Wunused-const-variable=]
178 | static const struct IP_BASE XDMA_BASE = { { { { 0x00003400, 0, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:173:29: warning: 'SDMA1_BASE' defined but not used [-Wunused-const-variable=]
173 | static const struct IP_BASE SDMA1_BASE = { { { { 0x00001460, 0, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:168:29: warning: 'SDMA0_BASE' defined but not used [-Wunused-const-variable=]
168 | static const struct IP_BASE SDMA0_BASE = { { { { 0x00001260, 0, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:163:29: warning: 'OSSSYS_BASE' defined but not used [-Wunused-const-variable=]
163 | static const struct IP_BASE OSSSYS_BASE = { { { { 0x000010A0, 0, 0, 0, 0 } },
| ^~~~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:158:29: warning: 'HDP_BASE' defined but not used [-Wunused-const-variable=]
158 | static const struct IP_BASE HDP_BASE = { { { { 0x00000F20, 0, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:153:29: warning: 'RSMU_BASE' defined but not used [-Wunused-const-variable=]
153 | static const struct IP_BASE RSMU_BASE = { { { { 0x00012000, 0, 0, 0, 0 } },
| ^~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:148:29: warning: 'MMHUB_BASE' defined but not used [-Wunused-const-variable=]
148 | static const struct IP_BASE MMHUB_BASE = { { { { 0x0001A000, 0, 0, 0, 0 } },
| ^~~~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:143:29: warning: 'GC_BASE' defined but not used [-Wunused-const-variable=]
143 | static const struct IP_BASE GC_BASE = { { { { 0x00002000, 0x0000A000, 0, 0, 0 } },
| ^~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:138:29: warning: 'VCE_BASE' defined but not used [-Wunused-const-variable=]
138 | static const struct IP_BASE VCE_BASE = { { { { 0x00007E00, 0x00048800, 0, 0, 0 } },
| ^~~~~~~~
drivers/gpu/drm/amd/include/vega10_ip_offset.h:133:29: warning: 'ATHUB_BASE' defined but not used [-Wunused-const-variable=]
133 | static const struct IP_BASE ATHUB_BASE = { { { { 0x00000C20, 0, 0, 0, 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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