Re: [PATCH v2 1/4] drm/vmwgfx: Filter modes which exceed graphics memory

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Hi Ian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master v6.9 next-20240517]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ian-Forbes/drm-vmwgfx-Filter-modes-which-exceed-graphics-memory/20240518-024955
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20240517184811.25807-2-ian.forbes%40broadcom.com
patch subject: [PATCH v2 1/4] drm/vmwgfx: Filter modes which exceed graphics memory
config: i386-randconfig-141-20240518 (https://download.01.org/0day-ci/archive/20240518/202405181844.pA39DlHd-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240518/202405181844.pA39DlHd-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202405181844.pA39DlHd-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c:47: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * llvmpipe will align the width and height of its buffers to match its


vim +47 drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c

    38	
    39	#define vmw_crtc_to_stdu(x) \
    40		container_of(x, struct vmw_screen_target_display_unit, base.crtc)
    41	#define vmw_encoder_to_stdu(x) \
    42		container_of(x, struct vmw_screen_target_display_unit, base.encoder)
    43	#define vmw_connector_to_stdu(x) \
    44		container_of(x, struct vmw_screen_target_display_unit, base.connector)
    45	
    46	/**
  > 47	 * llvmpipe will align the width and height of its buffers to match its
    48	 * tile size. We need to keep this in mind when exposing modes to userspace
    49	 * so that this possible over-allocation will not exceed graphics memory.
    50	 */
    51	#define LLVM_PIPE_TILE_SIZE 64
    52	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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