[deller-fbdev:for-next 13/15] drivers/video/fbdev/core/fb_imageblit.h:332:14: sparse: sparse: incorrect type in assignment (different address spaces)

[deller-fbdev:for-next 13/15] drivers/video/fbdev/core/fb_imageblit.h:332:14: sparse: sparse: incorrect type in assignment (different address spaces)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git for-next
head:   720fcad9d12e92368192689a90e2b932a1e44406
commit: d244899de08c324fdcf4dbed95ecb64ea292ff61 [13/15] fbdev: core: Use generic imageblit for as cfb_imageblit
config: microblaze-randconfig-r111-20250208 (https://download.01.org/0day-ci/archive/20250208/202502081503.sOVHPKm3-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 14.2.0
reproduce: (https://download.01.org/0day-ci/archive/20250208/202502081503.sOVHPKm3-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502081503.sOVHPKm3-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/video/fbdev/core/cfbimgblt.c: note: in included file:
>> drivers/video/fbdev/core/fb_imageblit.h:332:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected unsigned char [noderef] [usertype] __iomem *dst1 @@     got void * @@
   drivers/video/fbdev/core/fb_imageblit.h:332:14: sparse:     expected unsigned char [noderef] [usertype] __iomem *dst1
   drivers/video/fbdev/core/fb_imageblit.h:332:14: sparse:     got void *

vim +332 drivers/video/fbdev/core/fb_imageblit.h

d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  310  
24d36dc5bee2bf Zsolt Kajtar 2025-02-07  311  void FB_IMAGEBLIT (struct fb_info *p, const struct fb_image *image)
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  312  {
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  313          u32 fgcolor, bgcolor, start_index, bitstart, pitch_index = 0;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  314          u32 bpl = sizeof(u32), bpp = p->var.bits_per_pixel;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  315          u32 width = image->width;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  316          u32 dx = image->dx, dy = image->dy;
24d36dc5bee2bf Zsolt Kajtar 2025-02-07  317          u8 FB_MEM *dst1;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  318  
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  319          if (p->state != FBINFO_STATE_RUNNING)
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  320                  return;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  321  
24d36dc5bee2bf Zsolt Kajtar 2025-02-07  322          if ((p->flags & FBINFO_VIRTFB) != FB_SPACE)
24d36dc5bee2bf Zsolt Kajtar 2025-02-07  323                  fb_warn_once(p, "Framebuffer is not in " FB_SPACE_NAME
24d36dc5bee2bf Zsolt Kajtar 2025-02-07  324                               " address space.");
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  325  
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  326          bitstart = (dy * p->fix.line_length * 8) + (dx * bpp);
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  327          start_index = bitstart & (32 - 1);
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  328          pitch_index = (p->fix.line_length & (bpl - 1)) * 8;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  329  
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  330          bitstart /= 8;
d933e6d9f4eb8e Zsolt Kajtar 2025-02-07  331          bitstart &= ~(bpl - 1);
24d36dc5bee2bf Zsolt Kajtar 2025-02-07 @332          dst1 = (void __force *)FB_SCREEN_BASE(p) + bitstart;

:::::: The code at line 332 was first introduced by commit
:::::: 24d36dc5bee2bf0768f51e207925d044d7e66b6f fbdev: core: Make fb_imageblit generic

:::::: TO: Zsolt Kajtar <soci@c64.rulez.org>
:::::: CC: Helge Deller <deller@gmx.de>

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