[kbuild-all] [linux-next:master 1562/1734] drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument 1 (different address spaces)

Tuesday, 25 January 2022


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   d25ee88530253138d0b20d43511ca5acbda4e9f7
commit: 602670289b69b2fded3a0b2240c4877e3a015ac6 [1562/1734] fortify: Detect struct member
overflows in memcpy() at compile-time
config: i386-randconfig-s002-20220124
(https://download.01.org/0day-ci/archive/20220125/202201251939.u3jnMQNG-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        #
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
        git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 602670289b69b2fded3a0b2240c4877e3a015ac6
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir
ARCH=i386 SHELL=/bin/bash drivers/video/fbdev/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com&gt;


sparse warnings: (new ones prefixed by >>)
...
> drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *gp_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem
*gp_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *gp_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem
*gp_regs
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument
2 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem *gp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse:     got void [noderef] __iomem
*gp_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *dc_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem
*dc_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *dc_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem
*dc_regs
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse: sparse: incorrect type in argument
2 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem *dc_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:603:9: sparse:     got void [noderef] __iomem
*dc_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *vp_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem
*vp_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem *vp_regs @@   
drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem
*vp_regs
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse: incorrect type in argument
2 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem *vp_regs @@
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse:     got void [noderef] __iomem
*vp_regs
...
> drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem * @@    drivers/video/fbdev/geode/lxfb_ops.c:605:9:
sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
...
> drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void const * @@   
 got void [noderef] __iomem * @@    drivers/video/fbdev/geode/lxfb_ops.c:605:9:
sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse: incorrect type in argument
2 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument
1 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument
1 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse: sparse: incorrect type in argument
2 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:633:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse: incorrect type in argument
1 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse: incorrect type in argument
1 (different address spaces) @@     expected void const * @@     got void [noderef]
__iomem * @@
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     expected void const *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *
...
> drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse: sparse:
incorrect type in argument 1 (different address spaces) @@     expected void * @@     got
void [noderef] __iomem * @@    drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:  
  expected void *
   drivers/video/fbdev/geode/lxfb_ops.c:760:9: sparse:     got void [noderef] __iomem *

vim +602 drivers/video/fbdev/geode/lxfb_ops.c

f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  582  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  583 
static void lx_save_regs(struct lxfb_par *par)
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  584 
{
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  585 
	uint32_t filt;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  586 
	int i;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  587  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  588 
	/* wait for the BLT engine to stop being busy */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  589 
	do {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  590 
		i = read_gp(par, GP_BLT_STATUS);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  591 
	} while ((i & GP_BLT_STATUS_PB) || !(i & GP_BLT_STATUS_CE));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  592  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  593 
	/* save MSRs */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  594 
	rdmsrl(MSR_LX_MSR_PADSEL, par->msr.padsel);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  595 
	rdmsrl(MSR_GLCP_DOTPLL, par->msr.dotpll);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  596 
	rdmsrl(MSR_LX_GLD_MSR_CONFIG, par->msr.dfglcfg);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  597 
	rdmsrl(MSR_LX_SPARE_MSR, par->msr.dcspare);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  598  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  599 
	write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  600  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  601 
	/* save registers */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @602 
	memcpy(par->gp, par->gp_regs, sizeof(par->gp));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @603 
	memcpy(par->dc, par->dc_regs, sizeof(par->dc));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @604 
	memcpy(par->vp, par->vp_regs, sizeof(par->vp));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @605 
	memcpy(par->fp, par->vp_regs + VP_FP_START, sizeof(par->fp));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  606  
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  607 
	/* save the display controller palette */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  608 
	write_dc(par, DC_PAL_ADDRESS, 0);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  609 
	for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  610 
		par->dc_pal[i] = read_dc(par, DC_PAL_DATA);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  611  
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  612 
	/* save the video processor palette */
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  613 
	write_vp(par, VP_PAR, 0);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  614 
	for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  615 
		par->vp_pal[i] = read_vp(par, VP_PDR);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  616  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  617 
	/* save the horizontal filter coefficients */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  618 
	filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  619 
	for (i = 0; i < ARRAY_SIZE(par->hcoeff); i += 2) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  620 
		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  621 
		par->hcoeff[i] = read_dc(par, DC_FILT_COEFF1);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  622 
		par->hcoeff[i + 1] = read_dc(par, DC_FILT_COEFF2);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  623 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  624  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  625 
	/* save the vertical filter coefficients */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  626 
	filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  627 
	for (i = 0; i < ARRAY_SIZE(par->vcoeff); i++) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  628 
		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  629 
		par->vcoeff[i] = read_dc(par, DC_FILT_COEFF1);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  630 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  631  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  632 
	/* save video coeff ram */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @633 
	memcpy(par->vp_coeff, par->vp_regs + VP_VCR, sizeof(par->vp_coeff));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  634 
}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  635  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  636 
static void lx_restore_gfx_proc(struct lxfb_par *par)
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  637 
{
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  638 
	int i;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  639  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  640 
	/* a bunch of registers require GP_RASTER_MODE to be set first */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  641 
	write_gp(par, GP_RASTER_MODE, par->gp[GP_RASTER_MODE]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  642  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  643 
	for (i = 0; i < ARRAY_SIZE(par->gp); i++) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  644 
		switch (i) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  645 
		case GP_RASTER_MODE:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  646 
		case GP_VECTOR_MODE:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  647 
		case GP_BLT_MODE:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  648 
		case GP_BLT_STATUS:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  649 
		case GP_HST_SRC:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  650 
			/* FIXME: restore LUT data */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  651 
		case GP_LUT_INDEX:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  652 
		case GP_LUT_DATA:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  653 
			/* don't restore these registers */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  654 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  655  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  656 
		default:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  657 
			write_gp(par, i, par->gp[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  658 
		}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  659 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  660 
}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  661  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  662 
static void lx_restore_display_ctlr(struct lxfb_par *par)
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  663 
{
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  664 
	uint32_t filt;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  665 
	int i;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  666  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  667 
	wrmsrl(MSR_LX_SPARE_MSR, par->msr.dcspare);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  668  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  669 
	for (i = 0; i < ARRAY_SIZE(par->dc); i++) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  670 
		switch (i) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  671 
		case DC_UNLOCK:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  672 
			/* unlock the DC; runs first */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  673 
			write_dc(par, DC_UNLOCK, DC_UNLOCK_UNLOCK);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  674 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  675  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  676 
		case DC_GENERAL_CFG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  677 
		case DC_DISPLAY_CFG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  678 
			/* disable all while restoring */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  679 
			write_dc(par, i, 0);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  680 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  681  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  682 
		case DC_DV_CTL:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  683 
			/* set all ram to dirty */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  684 
			write_dc(par, i, par->dc[i] | DC_DV_CTL_CLEAR_DV_RAM);
2c3a1e49696fd0 drivers/video/fbdev/geode/lxfb_ops.c Gustavo A. R. Silva 2020-11-20  685 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  686  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  687 
		case DC_RSVD_1:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  688 
		case DC_RSVD_2:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  689 
		case DC_RSVD_3:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  690 
		case DC_LINE_CNT:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  691 
		case DC_PAL_ADDRESS:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  692 
		case DC_PAL_DATA:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  693 
		case DC_DFIFO_DIAG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  694 
		case DC_CFIFO_DIAG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  695 
		case DC_FILT_COEFF1:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  696 
		case DC_FILT_COEFF2:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  697 
		case DC_RSVD_4:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  698 
		case DC_RSVD_5:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  699 
			/* don't restore these registers */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  700 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  701  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  702 
		default:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  703 
			write_dc(par, i, par->dc[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  704 
		}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  705 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  706  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  707 
	/* restore the palette */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  708 
	write_dc(par, DC_PAL_ADDRESS, 0);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  709 
	for (i = 0; i < ARRAY_SIZE(par->dc_pal); i++)
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  710 
		write_dc(par, DC_PAL_DATA, par->dc_pal[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  711  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  712 
	/* restore the horizontal filter coefficients */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  713 
	filt = par->dc[DC_IRQ_FILT_CTL] | DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  714 
	for (i = 0; i < ARRAY_SIZE(par->hcoeff); i += 2) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  715 
		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  716 
		write_dc(par, DC_FILT_COEFF1, par->hcoeff[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  717 
		write_dc(par, DC_FILT_COEFF2, par->hcoeff[i + 1]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  718 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  719  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  720 
	/* restore the vertical filter coefficients */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  721 
	filt &= ~DC_IRQ_FILT_CTL_H_FILT_SEL;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  722 
	for (i = 0; i < ARRAY_SIZE(par->vcoeff); i++) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  723 
		write_dc(par, DC_IRQ_FILT_CTL, (filt & 0xffffff00) | i);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  724 
		write_dc(par, DC_FILT_COEFF1, par->vcoeff[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  725 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  726 
}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  727  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  728 
static void lx_restore_video_proc(struct lxfb_par *par)
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  729 
{
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  730 
	int i;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  731  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  732 
	wrmsrl(MSR_LX_GLD_MSR_CONFIG, par->msr.dfglcfg);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  733 
	wrmsrl(MSR_LX_MSR_PADSEL, par->msr.padsel);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  734  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  735 
	for (i = 0; i < ARRAY_SIZE(par->vp); i++) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  736 
		switch (i) {
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  737 
		case VP_VCFG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  738 
		case VP_DCFG:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  739 
		case VP_PAR:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  740 
		case VP_PDR:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  741 
		case VP_CCS:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  742 
		case VP_RSVD_0:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  743 
		/* case VP_VDC: */ /* why should this not be restored? */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  744 
		case VP_RSVD_1:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  745 
		case VP_CRC32:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  746 
			/* don't restore these registers */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  747 
			break;
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  748  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  749 
		default:
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  750 
			write_vp(par, i, par->vp[i]);
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  751 
		}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  752 
	}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  753  
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  754 
	/* restore video processor palette */
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  755 
	write_vp(par, VP_PAR, 0);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  756 
	for (i = 0; i < ARRAY_SIZE(par->vp_pal); i++)
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  757 
		write_vp(par, VP_PDR, par->vp_pal[i]);
16cdd4336fdca9 drivers/video/geode/lxfb_ops.c       Daniel Drake        2010-11-30  758  
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  759 
	/* restore video coeff ram */
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28 @760 
	memcpy(par->vp_regs + VP_VCR, par->vp_coeff, sizeof(par->vp_coeff));
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  761 
}
f694e53bd0db69 drivers/video/geode/lxfb_ops.c       Andres Salomon      2008-04-28  762  

:::::: The code at line 602 was first introduced by commit
:::::: f694e53bd0db69557ee8e0db2d1602818ff173b0 lxfb: add power management functionality

:::::: TO: Andres Salomon <dilinger(a)queued.net&gt;
:::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt;

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

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[kbuild-all] [linux-next:master 1562/1734] drivers/video/fbdev/geode/lxfb_ops.c:602:9: sparse: sparse: incorrect type in argument 1 (different address spaces)