drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:38:9: sparse: sparse: cast removes address space '__iomem' of expression

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   66f4beaa6c1d28161f534471484b2daa2de1dce0
commit: 8ef23b6f6a79e6fa2a169081d2d76011fffa0482 drm/nouveau/disp/ga10[24]: initial support
date:   10 months ago
config: sparc-randconfig-s032-20211109 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8ef23b6f6a79e6fa2a169081d2d76011fffa0482
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 8ef23b6f6a79e6fa2a169081d2d76011fffa0482
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash arch/sparc/vdso/ drivers/gpu/drm/ drivers/net/wireguard/ fs/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:38:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:38:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:43:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:43:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:43:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:43:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:43:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:60:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:60:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:60:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:61:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:61:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:63:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:63:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:67:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:67:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:71:9: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c:71:9: sparse: sparse: cast removes address space '__iomem' of expression

vim +/__iomem +38 drivers/gpu/drm/nouveau/dispnv50/wndwc67e.c

    28	
    29	static int
    30	wndwc67e_image_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
    31	{
    32		struct nvif_push *push = wndw->wndw.push;
    33		int ret;
    34	
    35		if ((ret = PUSH_WAIT(push, 17)))
    36			return ret;
    37	
  > 38		PUSH_MTHD(push, NVC57E, SET_PRESENT_CONTROL,
    39			  NVVAL(NVC57E, SET_PRESENT_CONTROL, MIN_PRESENT_INTERVAL, asyw->image.interval) |
    40			  NVVAL(NVC57E, SET_PRESENT_CONTROL, BEGIN_MODE, asyw->image.mode) |
    41			  NVDEF(NVC57E, SET_PRESENT_CONTROL, TIMESTAMP_MODE, DISABLE));
    42	
    43		PUSH_MTHD(push, NVC57E, SET_SIZE,
    44			  NVVAL(NVC57E, SET_SIZE, WIDTH, asyw->image.w) |
    45			  NVVAL(NVC57E, SET_SIZE, HEIGHT, asyw->image.h),
    46	
    47					SET_STORAGE,
    48			  NVVAL(NVC57E, SET_STORAGE, BLOCK_HEIGHT, asyw->image.blockh),
    49	
    50					SET_PARAMS,
    51			  NVVAL(NVC57E, SET_PARAMS, FORMAT, asyw->image.format) |
    52			  NVDEF(NVC57E, SET_PARAMS, CLAMP_BEFORE_BLEND, DISABLE) |
    53			  NVDEF(NVC57E, SET_PARAMS, SWAP_UV, DISABLE) |
    54			  NVDEF(NVC57E, SET_PARAMS, FMT_ROUNDING_MODE, ROUND_TO_NEAREST),
    55	
    56					SET_PLANAR_STORAGE(0),
    57			  NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.blocks[0]) |
    58			  NVVAL(NVC57E, SET_PLANAR_STORAGE, PITCH, asyw->image.pitch[0] >> 6));
    59	
    60		PUSH_MTHD(push, NVC57E, SET_CONTEXT_DMA_ISO(0), asyw->image.handle, 1);
    61		PUSH_MTHD(push, NVC57E, SET_OFFSET(0), asyw->image.offset[0] >> 8);
    62	
    63		PUSH_MTHD(push, NVC57E, SET_POINT_IN(0),
    64			  NVVAL(NVC57E, SET_POINT_IN, X, asyw->state.src_x >> 16) |
    65			  NVVAL(NVC57E, SET_POINT_IN, Y, asyw->state.src_y >> 16));
    66	
    67		PUSH_MTHD(push, NVC57E, SET_SIZE_IN,
    68			  NVVAL(NVC57E, SET_SIZE_IN, WIDTH, asyw->state.src_w >> 16) |
    69			  NVVAL(NVC57E, SET_SIZE_IN, HEIGHT, asyw->state.src_h >> 16));
    70	
    71		PUSH_MTHD(push, NVC57E, SET_SIZE_OUT,
    72			  NVVAL(NVC57E, SET_SIZE_OUT, WIDTH, asyw->state.crtc_w) |
    73			  NVVAL(NVC57E, SET_SIZE_OUT, HEIGHT, asyw->state.crtc_h));
    74		return 0;
    75	}
    76	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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