Hi Yifan,

FYI, the error/warning still remains.

tree: git://people.freedesktop.org/~agd5f/linux.git amd-19.50 head: 02692309efa6ad48d47894e40fcb3832ace49c4c commit: 757a363a37449c5b612b3c7c3f62be125b1282e3 [1966/2687] drm/amdkcl: Test whether drm_get_format_name() is available config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-3) 7.5.0 reproduce: git checkout 757a363a37449c5b612b3c7c3f62be125b1282e3 # save the attached .config to linux build tree make ARCH=i386

If you fix the issue, kindly add following tag Reported-by: kbuild test robot lkp@intel.com

All errors (new ones prefixed by >>):

include/kcl/kcl_drm.h:98:1: error: conflicting types for 'drm_fb_helper_remove_conflicting_framebuffers' drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/kcl/kcl_drm.h:7:0, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_fb_helper.h:589:1: note: previous definition of 'drm_fb_helper_remove_conflicting_framebuffers' was here drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h: In function 'kcl_drm_encoder_init': include/kcl/kcl_drm.h:191:9: error: too few arguments to function 'drm_encoder_init' return drm_encoder_init(dev, encoder, funcs, ^~~~~~~~~~~~~~~~ In file included from include/drm/drm_modeset_helper_vtables.h:33:0, from include/drm/drm_atomic_helper.h:32, from include/kcl/kcl_drm.h:10, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_encoder.h:183:5: note: declared here int drm_encoder_init(struct drm_device *dev, ^~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h: In function 'kcl_drm_crtc_init_with_planes': include/kcl/kcl_drm.h:206:10: error: too few arguments to function 'drm_crtc_init_with_planes' return drm_crtc_init_with_planes(dev, crtc, primary, ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/drm/drmP.h:68:0, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_crtc.h:1120:5: note: declared here int drm_crtc_init_with_planes(struct drm_device *dev, ^~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h: In function 'kcl_drm_universal_plane_init': include/kcl/kcl_drm.h:227:29: error: incompatible type for argument 7 of 'drm_universal_plane_init' formats, format_count, type); ^~~~ In file included from include/drm/drm_crtc.h:45:0, from include/drm/drmP.h:68, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_plane.h:713:5: note: expected 'const uint64_t * {aka const long long unsigned int *}' but argument is of type 'enum drm_plane_type' int drm_universal_plane_init(struct drm_device *dev, ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h:226:10: error: too few arguments to function 'drm_universal_plane_init' return drm_universal_plane_init(dev, plane, possible_crtcs, funcs, ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from include/drm/drm_crtc.h:45:0, from include/drm/drmP.h:68, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_plane.h:713:5: note: declared here int drm_universal_plane_init(struct drm_device *dev, ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h: In function 'kcl_drm_gem_object_lookup': include/kcl/kcl_drm.h:238:32: error: passing argument 1 of 'drm_gem_object_lookup' from incompatible pointer type [-Werror=incompatible-pointer-types] return drm_gem_object_lookup(dev, filp, handle); ^~~ In file included from include/kcl/kcl_drm.h:9:0, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_gem.h:386:24: note: expected 'struct drm_file *' but argument is of type 'struct drm_device *' struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h:238:37: warning: passing argument 2 of 'drm_gem_object_lookup' makes integer from pointer without a cast [-Wint-conversion] return drm_gem_object_lookup(dev, filp, handle); ^~~~ In file included from include/kcl/kcl_drm.h:9:0, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_gem.h:386:24: note: expected 'u32 {aka unsigned int}' but argument is of type 'struct drm_file *' struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h:238:10: error: too many arguments to function 'drm_gem_object_lookup' return drm_gem_object_lookup(dev, filp, handle); ^~~~~~~~~~~~~~~~~~~~~ In file included from include/kcl/kcl_drm.h:9:0, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_gem.h:386:24: note: declared here struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); ^~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/backport/backport.h:6:0, from <command-line>:0: include/kcl/kcl_drm.h: At top level:

...

include/kcl/kcl_drm.h:281:8: error: redefinition of 'struct drm_format_name_buf'

struct drm_format_name_buf { ^~~~~~~~~~~~~~~~~~~ In file included from include/drm/drmP.h:69:0, from include/kcl/kcl_drm.h:6, from drivers/gpu/drm/ttm/backport/backport.h:6, from <command-line>:0: include/drm/drm_fourcc.h:142:8: note: originally defined here struct drm_format_name_buf { ^~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

vim +281 include/kcl/kcl_drm.h

950c9c93299ece Junwei Zhang 2016-12-23 275 757a363a37449c Yifan Zhang 2019-07-16 276 #if !defined(HAVE_DRM_GET_FORMAT_NAME) cc3188c9ec1202 Evan Quan 2017-05-11 277 /** cc3188c9ec1202 Evan Quan 2017-05-11 278 * struct drm_format_name_buf - name of a DRM format cc3188c9ec1202 Evan Quan 2017-05-11 279 * @str: string buffer containing the format name cc3188c9ec1202 Evan Quan 2017-05-11 280 */ cc3188c9ec1202 Evan Quan 2017-05-11 @281 struct drm_format_name_buf { cc3188c9ec1202 Evan Quan 2017-05-11 282 char str[32]; cc3188c9ec1202 Evan Quan 2017-05-11 283 }; cc3188c9ec1202 Evan Quan 2017-05-11 284

:::::: The code at line 281 was first introduced by commit :::::: cc3188c9ec120284ad92543062dcf5b927e648d8 drm/amdkcl: [4.11] fix for struct drm_framebuffer change

:::::: TO: Evan Quan evan.quan@amd.com :::::: CC: Chengming Gui Jack.Gui@amd.com

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