Hi Ville, kernel test robot noticed the following build errors:
[auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-xe/drm-xe-next linus/master v6.18 next-20251210] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ville-Syrjala/drm-i915-vga-Register-vgaarb-client-later/20251209-195929 base: https://gitlab.freedesktop.org/drm/tip.git drm-tip patch link: https://lore.kernel.org/r/20251208182637.334-15-ville.syrjala%40linux.intel.com patch subject: [PATCH 14/19] video/vga: Add VGA_IS0_R config: s390-randconfig-002-20251210 (https://download.01.org/0day-ci/archive/20251210/[email protected]/config) compiler: s390-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251210/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from drivers/video/vgastate.c:20: include/video/vga.h:489:1: error: expected identifier or '(' before '?' token 489 | ? | ^ drivers/video/vgastate.c: In function 'save_vga_text': >> drivers/video/vgastate.c:89:9: error: dereferencing pointer to incomplete >> type 'struct regstate' 89 | saved->vga_font0[i] = vga_r(fbbase, i); | ^~ drivers/video/vgastate.c: In function 'restore_vga_text': drivers/video/vgastate.c:175:26: error: dereferencing pointer to incomplete type 'struct regstate' 175 | vga_w(fbbase, i, saved->vga_font0[i]); | ^~ drivers/video/vgastate.c: In function 'save_vga_mode': drivers/video/vgastate.c:232:7: error: dereferencing pointer to incomplete type 'struct regstate' 232 | saved->misc = vga_r(state->vgabase, VGA_MIS_R); | ^~ drivers/video/vgastate.c: In function 'restore_vga_mode': drivers/video/vgastate.c:263:40: error: dereferencing pointer to incomplete type 'struct regstate' 263 | vga_w(state->vgabase, VGA_MIS_W, saved->misc); | ^~ drivers/video/vgastate.c: In function 'save_vga_cmap': drivers/video/vgastate.c:319:8: error: dereferencing pointer to incomplete type 'struct regstate' 319 | saved->vga_cmap[i] = vga_r(state->vgabase, VGA_PEL_D); | ^~ drivers/video/vgastate.c: In function 'restore_vga_cmap': drivers/video/vgastate.c:332:41: error: dereferencing pointer to incomplete type 'struct regstate' 332 | vga_w(state->vgabase, VGA_PEL_D, saved->vga_cmap[i]); | ^~ drivers/video/vgastate.c: In function 'vga_cleanup': drivers/video/vgastate.c:340:14: error: dereferencing pointer to incomplete type 'struct regstate' 340 | vfree(saved->vga_font0); | ^~ In file included from include/linux/workqueue.h:9, from include/linux/mm_types.h:19, from include/linux/mmzone.h:22, from include/linux/gfp.h:7, from include/linux/umh.h:4, from include/linux/kmod.h:9, from include/linux/module.h:18, from drivers/video/vgastate.c:16: drivers/video/vgastate.c: In function 'save_vga': drivers/video/vgastate.c:354:25: error: invalid application of 'sizeof' to incomplete type 'struct regstate' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~ include/linux/alloc_tag.h:251:9: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:1096:25: note: in expansion of macro 'alloc_hooks' 1096 | #define kzalloc(...) alloc_hooks(kzalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ drivers/video/vgastate.c:354:10: note: in expansion of macro 'kzalloc' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~~ drivers/video/vgastate.c:354:25: error: invalid application of 'sizeof' to incomplete type 'struct regstate' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~ include/linux/alloc_tag.h:255:10: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:1096:25: note: in expansion of macro 'alloc_hooks' 1096 | #define kzalloc(...) alloc_hooks(kzalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ drivers/video/vgastate.c:354:10: note: in expansion of macro 'kzalloc' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~~ drivers/video/vgastate.c:354:25: error: invalid application of 'sizeof' to incomplete type 'struct regstate' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~ include/linux/alloc_tag.h:258:10: note: in definition of macro 'alloc_hooks_tag' 258 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:1096:25: note: in expansion of macro 'alloc_hooks' 1096 | #define kzalloc(...) alloc_hooks(kzalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ drivers/video/vgastate.c:354:10: note: in expansion of macro 'kzalloc' 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^~~~~~~ drivers/video/vgastate.c:354:8: warning: assignment to 'struct regstate *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 354 | saved = kzalloc(sizeof(struct regstate), GFP_KERNEL); | ^ drivers/video/vgastate.c:362:8: error: dereferencing pointer to incomplete type 'struct regstate' 362 | saved->vga_cmap = vmalloc(768); | ^~ vim +89 drivers/video/vgastate.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 47 ^1da177e4c3f41 Linus Torvalds 2005-04-16 48 static void save_vga_text(struct vgastate *state, void __iomem *fbbase) ^1da177e4c3f41 Linus Torvalds 2005-04-16 49 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 50 struct regstate *saved = (struct regstate *) state->vidstate; ^1da177e4c3f41 Linus Torvalds 2005-04-16 51 int i; ^1da177e4c3f41 Linus Torvalds 2005-04-16 52 u8 misc, attr10, gr4, gr5, gr6, seq1, seq2, seq4; 0449359f053829 Ondrej Zajicek 2007-05-08 53 unsigned short iobase; ^1da177e4c3f41 Linus Torvalds 2005-04-16 54 ^1da177e4c3f41 Linus Torvalds 2005-04-16 55 /* if in graphics mode, no need to save */ 0449359f053829 Ondrej Zajicek 2007-05-08 56 misc = vga_r(state->vgabase, VGA_MIS_R); 0449359f053829 Ondrej Zajicek 2007-05-08 57 iobase = (misc & 1) ? 0x3d0 : 0x3b0; 0449359f053829 Ondrej Zajicek 2007-05-08 58 0449359f053829 Ondrej Zajicek 2007-05-08 59 vga_r(state->vgabase, iobase + 0xa); 0449359f053829 Ondrej Zajicek 2007-05-08 60 vga_w(state->vgabase, VGA_ATT_W, 0x00); ^1da177e4c3f41 Linus Torvalds 2005-04-16 61 attr10 = vga_rattr(state->vgabase, 0x10); 0449359f053829 Ondrej Zajicek 2007-05-08 62 vga_r(state->vgabase, iobase + 0xa); 0449359f053829 Ondrej Zajicek 2007-05-08 63 vga_w(state->vgabase, VGA_ATT_W, 0x20); 0449359f053829 Ondrej Zajicek 2007-05-08 64 ^1da177e4c3f41 Linus Torvalds 2005-04-16 65 if (attr10 & 1) ^1da177e4c3f41 Linus Torvalds 2005-04-16 66 return; ^1da177e4c3f41 Linus Torvalds 2005-04-16 67 ^1da177e4c3f41 Linus Torvalds 2005-04-16 68 /* save regs */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 69 gr4 = vga_rgfx(state->vgabase, VGA_GFX_PLANE_READ); ^1da177e4c3f41 Linus Torvalds 2005-04-16 70 gr5 = vga_rgfx(state->vgabase, VGA_GFX_MODE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 71 gr6 = vga_rgfx(state->vgabase, VGA_GFX_MISC); ^1da177e4c3f41 Linus Torvalds 2005-04-16 72 seq2 = vga_rseq(state->vgabase, VGA_SEQ_PLANE_WRITE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 73 seq4 = vga_rseq(state->vgabase, VGA_SEQ_MEMORY_MODE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 74 ^1da177e4c3f41 Linus Torvalds 2005-04-16 75 /* blank screen */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 76 seq1 = vga_rseq(state->vgabase, VGA_SEQ_CLOCK_MODE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 77 vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 78 vga_wseq(state->vgabase, VGA_SEQ_CLOCK_MODE, seq1 | 1 << 5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 79 vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x3); ^1da177e4c3f41 Linus Torvalds 2005-04-16 80 ^1da177e4c3f41 Linus Torvalds 2005-04-16 81 /* save font at plane 2 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 82 if (state->flags & VGA_SAVE_FONT0) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 83 vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, 0x4); ^1da177e4c3f41 Linus Torvalds 2005-04-16 84 vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, 0x6); ^1da177e4c3f41 Linus Torvalds 2005-04-16 85 vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, 0x2); ^1da177e4c3f41 Linus Torvalds 2005-04-16 86 vga_wgfx(state->vgabase, VGA_GFX_MODE, 0x0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 87 vga_wgfx(state->vgabase, VGA_GFX_MISC, 0x5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 88 for (i = 0; i < 4 * 8192; i++) ^1da177e4c3f41 Linus Torvalds 2005-04-16 @89 saved->vga_font0[i] = vga_r(fbbase, i); ^1da177e4c3f41 Linus Torvalds 2005-04-16 90 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 91 ^1da177e4c3f41 Linus Torvalds 2005-04-16 92 /* save font at plane 3 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 93 if (state->flags & VGA_SAVE_FONT1) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 94 vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, 0x8); ^1da177e4c3f41 Linus Torvalds 2005-04-16 95 vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, 0x6); ^1da177e4c3f41 Linus Torvalds 2005-04-16 96 vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, 0x3); ^1da177e4c3f41 Linus Torvalds 2005-04-16 97 vga_wgfx(state->vgabase, VGA_GFX_MODE, 0x0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 98 vga_wgfx(state->vgabase, VGA_GFX_MISC, 0x5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 99 for (i = 0; i < state->memsize; i++) ^1da177e4c3f41 Linus Torvalds 2005-04-16 100 saved->vga_font1[i] = vga_r(fbbase, i); ^1da177e4c3f41 Linus Torvalds 2005-04-16 101 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 102 ^1da177e4c3f41 Linus Torvalds 2005-04-16 103 /* save font at plane 0/1 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 104 if (state->flags & VGA_SAVE_TEXT) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 105 vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, 0x1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 106 vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, 0x6); ^1da177e4c3f41 Linus Torvalds 2005-04-16 107 vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, 0x0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 108 vga_wgfx(state->vgabase, VGA_GFX_MODE, 0x0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 109 vga_wgfx(state->vgabase, VGA_GFX_MISC, 0x5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 110 for (i = 0; i < 8192; i++) ^1da177e4c3f41 Linus Torvalds 2005-04-16 111 saved->vga_text[i] = vga_r(fbbase, i); ^1da177e4c3f41 Linus Torvalds 2005-04-16 112 ^1da177e4c3f41 Linus Torvalds 2005-04-16 113 vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, 0x2); ^1da177e4c3f41 Linus Torvalds 2005-04-16 114 vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, 0x6); ^1da177e4c3f41 Linus Torvalds 2005-04-16 115 vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, 0x1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 116 vga_wgfx(state->vgabase, VGA_GFX_MODE, 0x0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 117 vga_wgfx(state->vgabase, VGA_GFX_MISC, 0x5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 118 for (i = 0; i < 8192; i++) ^1da177e4c3f41 Linus Torvalds 2005-04-16 119 saved->vga_text[8192+i] = vga_r(fbbase + 2 * 8192, i); ^1da177e4c3f41 Linus Torvalds 2005-04-16 120 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 121 ^1da177e4c3f41 Linus Torvalds 2005-04-16 122 /* restore regs */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 123 vga_wseq(state->vgabase, VGA_SEQ_PLANE_WRITE, seq2); ^1da177e4c3f41 Linus Torvalds 2005-04-16 124 vga_wseq(state->vgabase, VGA_SEQ_MEMORY_MODE, seq4); ^1da177e4c3f41 Linus Torvalds 2005-04-16 125 ^1da177e4c3f41 Linus Torvalds 2005-04-16 126 vga_wgfx(state->vgabase, VGA_GFX_PLANE_READ, gr4); ^1da177e4c3f41 Linus Torvalds 2005-04-16 127 vga_wgfx(state->vgabase, VGA_GFX_MODE, gr5); ^1da177e4c3f41 Linus Torvalds 2005-04-16 128 vga_wgfx(state->vgabase, VGA_GFX_MISC, gr6); ^1da177e4c3f41 Linus Torvalds 2005-04-16 129 ^1da177e4c3f41 Linus Torvalds 2005-04-16 130 /* unblank screen */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 131 vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 132 vga_wseq(state->vgabase, VGA_SEQ_CLOCK_MODE, seq1 & ~(1 << 5)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 133 vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x3); ^1da177e4c3f41 Linus Torvalds 2005-04-16 134 ^1da177e4c3f41 Linus Torvalds 2005-04-16 135 vga_wseq(state->vgabase, VGA_SEQ_CLOCK_MODE, seq1); ^1da177e4c3f41 Linus Torvalds 2005-04-16 136 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 137 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
