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Message-ID: <202007070308.oD5KarCo%lkp@intel.com>
Date:   Tue, 7 Jul 2020 03:58:33 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: drivers/video/fbdev/aty/mach64_cursor.c:156:23: sparse: sparse:
 incorrect type in argument 1 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5c82ec00dd00c7a2b02d4b42cf59ae87592cb75f
commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH
date:   8 months ago
config: riscv-randconfig-s031-20200706 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-14-g8fce3d7a-dirty
        git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=riscv 

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


sparse warnings: (new ones prefixed by >>)

>> drivers/video/fbdev/aty/mach64_cursor.c:156:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void * @@     got unsigned char [noderef] [usertype] <asn:2> *dst @@
   drivers/video/fbdev/aty/mach64_cursor.c:156:23: sparse:     expected void *
   drivers/video/fbdev/aty/mach64_cursor.c:156:23: sparse:     got unsigned char [noderef] [usertype] <asn:2> *dst
   drivers/video/fbdev/aty/mach64_cursor.c:187:25: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/video/fbdev/aty/mach64_cursor.c:188:25: sparse: sparse: cast removes address space '<asn:2>' of expression
--
>> drivers/video/fbdev/kyro/fbdev.c:725:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void * @@     got char [noderef] <asn:2> *screen_base @@
>> drivers/video/fbdev/kyro/fbdev.c:725:23: sparse:     expected void *
   drivers/video/fbdev/kyro/fbdev.c:725:23: sparse:     got char [noderef] <asn:2> *screen_base

vim +156 drivers/video/fbdev/aty/mach64_cursor.c

^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   67  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   68  static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   69  {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   70  	struct atyfb_par *par = (struct atyfb_par *) info->par;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   71  	u16 xoff, yoff;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   72  	int x, y, h;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   73  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   74  #ifdef __sparc__
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   75  	if (par->mmaped)
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   76  		return -EPERM;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   77  #endif
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   78  	if (par->asleep)
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   79  		return -EPERM;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   80  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   81  	wait_for_fifo(1, par);
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   82  	if (cursor->enable)
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   83  		aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par)
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   84  			    | HWCURSOR_ENABLE, par);
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   85  	else
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   86  		aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par)
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31   87  				& ~HWCURSOR_ENABLE, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   88  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   89  	/* set position */
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   90  	if (cursor->set & FB_CUR_SETPOS) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   91  		x = cursor->image.dx - cursor->hot.x - info->var.xoffset;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   92  		if (x < 0) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   93  			xoff = -x;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   94  			x = 0;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   95  		} else {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   96  			xoff = 0;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   97  		}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   98  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16   99  		y = cursor->image.dy - cursor->hot.y - info->var.yoffset;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  100  		if (y < 0) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  101  			yoff = -y;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  102  			y = 0;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  103  		} else {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  104  			yoff = 0;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  105  		}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  106  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  107  		h = cursor->image.height;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  108  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  109  		/*
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  110  		 * In doublescan mode, the cursor location
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  111  		 * and heigh also needs to be doubled.
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  112  		 */
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  113                  if (par->crtc.gen_cntl & CRTC_DBL_SCAN_EN) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  114  			y<<=1;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  115  			h<<=1;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  116  		}
2f682fae611df64 drivers/video/aty/mach64_cursor.c Krzysztof Helt     2009-03-31  117  		wait_for_fifo(3, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  118  		aty_st_le32(CUR_OFFSET, (info->fix.smem_len >> 3) + (yoff << 1), par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  119  		aty_st_le32(CUR_HORZ_VERT_OFF,
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  120  			    ((u32) (64 - h + yoff) << 16) | xoff, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  121  		aty_st_le32(CUR_HORZ_VERT_POSN, ((u32) y << 16) | x, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  122  	}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  123  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  124  	/* Set color map */
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  125  	if (cursor->set & FB_CUR_SETCMAP) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  126  		u32 fg_idx, bg_idx, fg, bg;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  127  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  128  		fg_idx = cursor->image.fg_color;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  129  		bg_idx = cursor->image.bg_color;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  130  
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  131  		fg = ((info->cmap.red[fg_idx] & 0xff) << 24) |
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  132  		     ((info->cmap.green[fg_idx] & 0xff) << 16) |
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  133  		     ((info->cmap.blue[fg_idx] & 0xff) << 8) | 0xff;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  134  
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  135  		bg = ((info->cmap.red[bg_idx] & 0xff) << 24) |
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  136  		     ((info->cmap.green[bg_idx] & 0xff) << 16) |
72c24cc51aef312 drivers/video/aty/mach64_cursor.c Antonino A. Daplas 2006-06-26  137  		     ((info->cmap.blue[bg_idx] & 0xff) << 8);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  138  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  139  		wait_for_fifo(2, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  140  		aty_st_le32(CUR_CLR0, bg, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  141  		aty_st_le32(CUR_CLR1, fg, par);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  142  	}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  143  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  144  	if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  145  	    u8 *src = (u8 *)cursor->image.data;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  146  	    u8 *msk = (u8 *)cursor->mask;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  147  	    u8 __iomem *dst = (u8 __iomem *)info->sprite.addr;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  148  	    unsigned int width = (cursor->image.width + 7) >> 3;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  149  	    unsigned int height = cursor->image.height;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  150  	    unsigned int align = info->sprite.scan_align;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  151  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  152  	    unsigned int i, j, offset;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  153  	    u8 m, b;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  154  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  155  	    // Clear cursor image with 1010101010...
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16 @156  	    fb_memset(dst, 0xaa, 1024);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  157  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  158  	    offset = align - width*2;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  159  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  160  	    for (i = 0; i < height; i++) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  161  		for (j = 0; j < width; j++) {
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  162  			u16 l = 0xaaaa;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  163  			b = *src++;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  164  			m = *msk++;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  165  			switch (cursor->rop) {
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  166  			case ROP_XOR:
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  167  			    // Upper 4 bits of mask data
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  168  			    l = cursor_bits_lookup[(b ^ m) >> 4] |
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  169  			    // Lower 4 bits of mask
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  170  				    (cursor_bits_lookup[(b ^ m) & 0x0f] << 8);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  171  			    break;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  172  			case ROP_COPY:
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  173  			    // Upper 4 bits of mask data
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  174  			    l = cursor_bits_lookup[(b & m) >> 4] |
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  175  			    // Lower 4 bits of mask
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  176  				    (cursor_bits_lookup[(b & m) & 0x0f] << 8);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  177  			    break;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  178  			}
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  179  			/*
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  180  			 * If cursor size is not a multiple of 8 characters
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  181  			 * we must pad it with transparent pattern (0xaaaa).
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  182  			 */
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  183  			if ((j + 1) * 8 > cursor->image.width) {
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  184  				l = comp(l, 0xaaaa,
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  185  				    (1 << ((cursor->image.width & 7) * 2)) - 1);
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  186  			}
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  187  			fb_writeb(l & 0xff, dst++);
43751a1b8ee2e70 drivers/video/aty/mach64_cursor.c Mikulas Patocka    2014-01-23  188  			fb_writeb(l >> 8, dst++);
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  189  		}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  190  		dst += offset;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  191  	    }
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  192  	}
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  193  
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  194  	return 0;
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  195  }
^1da177e4c3f415 drivers/video/aty/mach64_cursor.c Linus Torvalds     2005-04-16  196  

:::::: The code at line 156 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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

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