lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Date:   Sun, 19 Jul 2020 03:56:14 +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/tdfxfb.c:1120:27: sparse: expected void

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   6cf7ccba29dcf39ab27630c383a3844078a6d5cd
commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH
date:   8 months ago
config: s390-randconfig-s031-20200719 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-49-g707c5017-dirty
        git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 

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/tdfxfb.c:1120:27: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *p @@     got unsigned char [noderef] [usertype] <asn:2> *cursorbase @@
>> drivers/video/fbdev/tdfxfb.c:1120:27: sparse:     expected void *p
   drivers/video/fbdev/tdfxfb.c:1120:27: sparse:     got unsigned char [noderef] [usertype] <asn:2> *cursorbase
   drivers/video/fbdev/tdfxfb.c:1131:33: sparse: sparse: cast removes address space '<asn:2>' of expression
   drivers/video/fbdev/tdfxfb.c:1134:33: sparse: sparse: cast removes address space '<asn:2>' of expression
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@
   include/asm-generic/io.h:225:22: sparse:     expected unsigned int [usertype] val
   include/asm-generic/io.h:225:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int [usertype] val @@     got restricted __le32 [usertype] @@

vim +1120 drivers/video/fbdev/tdfxfb.c

^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1040  
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1041  static int tdfxfb_cursor(struct fb_info *info, struct fb_cursor *cursor)
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1042  {
a807f618b62594 drivers/video/tdfxfb.c Antonino A. Daplas 2006-01-09  1043  	struct tdfx_par *par = info->par;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1044  	u32 vidcfg;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1045  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1046  	if (!hwcursor)
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1047  		return -EINVAL;	/* just to force soft_cursor() call */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1048  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1049  	/* Too large of a cursor or wrong bpp :-( */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1050  	if (cursor->image.width > 64 ||
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1051  	    cursor->image.height > 64 ||
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1052  	    cursor->image.depth > 1)
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1053  		return -EINVAL;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1054  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1055  	vidcfg = tdfx_inl(par, VIDPROCCFG);
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1056  	if (cursor->enable)
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1057  		tdfx_outl(par, VIDPROCCFG, vidcfg | VIDCFG_HWCURSOR_ENABLE);
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1058  	else
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1059  		tdfx_outl(par, VIDPROCCFG, vidcfg & ~VIDCFG_HWCURSOR_ENABLE);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1060  
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1061  	/*
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1062  	 * If the cursor is not be changed this means either we want the
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1063  	 * current cursor state (if enable is set) or we want to query what
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1064  	 * we can do with the cursor (if enable is not set)
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1065  	 */
8af1d50f7f6793 drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1066  	if (!cursor->set)
8af1d50f7f6793 drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1067  		return 0;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1068  
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1069  	/* fix cursor color - XFree86 forgets to restore it properly */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1070  	if (cursor->set & FB_CUR_SETCMAP) {
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1071  		struct fb_cmap cmap = info->cmap;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1072  		u32 bg_idx = cursor->image.bg_color;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1073  		u32 fg_idx = cursor->image.fg_color;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1074  		unsigned long bg_color, fg_color;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1075  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1076  		fg_color = (((u32)cmap.red[fg_idx]   & 0xff00) << 8) |
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1077  			   (((u32)cmap.green[fg_idx] & 0xff00) << 0) |
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1078  			   (((u32)cmap.blue[fg_idx]  & 0xff00) >> 8);
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1079  		bg_color = (((u32)cmap.red[bg_idx]   & 0xff00) << 8) |
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1080  			   (((u32)cmap.green[bg_idx] & 0xff00) << 0) |
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1081  			   (((u32)cmap.blue[bg_idx]  & 0xff00) >> 8);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1082  		banshee_make_room(par, 2);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1083  		tdfx_outl(par, HWCURC0, bg_color);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1084  		tdfx_outl(par, HWCURC1, fg_color);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1085  	}
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1086  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1087  	if (cursor->set & FB_CUR_SETPOS) {
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1088  		int x = cursor->image.dx;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1089  		int y = cursor->image.dy - info->var.yoffset;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1090  
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1091  		x += 63;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1092  		y += 63;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1093  		banshee_make_room(par, 1);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1094  		tdfx_outl(par, HWCURLOC, (y << 16) + x);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1095  	}
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1096  	if (cursor->set & (FB_CUR_SETIMAGE | FB_CUR_SETSHAPE)) {
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1097  		/*
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1098  		 * Voodoo 3 and above cards use 2 monochrome cursor patterns.
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1099  		 *    The reason is so the card can fetch 8 words at a time
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1100  		 * and are stored on chip for use for the next 8 scanlines.
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1101  		 * This reduces the number of times for access to draw the
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1102  		 * cursor for each screen refresh.
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1103  		 *    Each pattern is a bitmap of 64 bit wide and 64 bit high
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1104  		 * (total of 8192 bits or 1024 bytes). The two patterns are
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1105  		 * stored in such a way that pattern 0 always resides in the
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1106  		 * lower half (least significant 64 bits) of a 128 bit word
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1107  		 * and pattern 1 the upper half. If you examine the data of
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1108  		 * the cursor image the graphics card uses then from the
25985edcedea63 drivers/video/tdfxfb.c Lucas De Marchi    2011-03-30  1109  		 * beginning you see line one of pattern 0, line one of
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1110  		 * pattern 1, line two of pattern 0, line two of pattern 1,
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1111  		 * etc etc. The linear stride for the cursor is always 16 bytes
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1112  		 * (128 bits) which is the maximum cursor width times two for
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1113  		 * the two monochrome patterns.
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1114  		 */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1115  		u8 __iomem *cursorbase = info->screen_base + info->fix.smem_len;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1116  		u8 *bitmap = (u8 *)cursor->image.data;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1117  		u8 *mask = (u8 *)cursor->mask;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1118  		int i;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1119  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16 @1120  		fb_memset(cursorbase, 0, 1024);
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1121  
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1122  		for (i = 0; i < cursor->image.height; i++) {
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1123  			int h = 0;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1124  			int j = (cursor->image.width + 7) >> 3;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1125  
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1126  			for (; j > 0; j--) {
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1127  				u8 data = *mask ^ *bitmap;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1128  				if (cursor->rop == ROP_COPY)
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1129  					data = *mask & *bitmap;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1130  				/* Pattern 0. Copy the cursor mask to it */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1131  				fb_writeb(*mask, cursorbase + h);
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1132  				mask++;
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1133  				/* Pattern 1. Copy the cursor bitmap to it */
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1134  				fb_writeb(data, cursorbase + h + 8);
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1135  				bitmap++;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1136  				h++;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1137  			}
90b0f08536531a drivers/video/tdfxfb.c Krzysztof Helt     2007-10-16  1138  			cursorbase += 16;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1139  		}
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1140  	}
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1141  	return 0;
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1142  }
^1da177e4c3f41 drivers/video/tdfxfb.c Linus Torvalds     2005-04-16  1143  

:::::: The code at line 1120 was first introduced by commit
:::::: 90b0f08536531abbbe7b5d4944792da08cadde01 tdfxfb: hardware cursor

:::::: TO: Krzysztof Helt <krzysztof.h1@...pl>
:::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org>

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

Download attachment ".config.gz" of type "application/gzip" (33908 bytes)

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ