tree: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next head: 3bd86801c84f66b4abedde4078e5237937b7576b commit: 71bf55872cbe035820a87b2aa5fc1dc60678abfa [2/18] drm/format-helper: Provide drm_fb_blit() config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220814/202208140534.AuJeaYA5-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch --no-tags drm-misc drm-misc-next git checkout 71bf55872cbe035820a87b2aa5fc1dc60678abfa # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/tiny/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/tiny/simpledrm.c:514:32: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void *vaddr @@ got void [noderef] __iomem *screen_base @@ drivers/gpu/drm/tiny/simpledrm.c:514:32: sparse: expected void *vaddr drivers/gpu/drm/tiny/simpledrm.c:514:32: sparse: got void [noderef] __iomem *screen_base vim +514 drivers/gpu/drm/tiny/simpledrm.c 504 505 static void simpledrm_primary_plane_helper_atomic_update(struct drm_plane *plane, 506 struct drm_atomic_state *old_state) 507 { 508 struct drm_plane_state *plane_state = plane->state; 509 struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(old_state, plane); 510 struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state); 511 struct drm_framebuffer *fb = plane_state->fb; 512 struct drm_device *dev = plane->dev; 513 struct simpledrm_device *sdev = simpledrm_device_of_dev(dev); > 514 struct iosys_map dst = IOSYS_MAP_INIT_VADDR(sdev->screen_base); 515 struct drm_rect src_clip, dst_clip; 516 int idx; 517 518 if (!fb) 519 return; 520 521 if (!drm_atomic_helper_damage_merged(old_plane_state, plane_state, &src_clip)) 522 return; 523 524 dst_clip = plane_state->dst; 525 if (!drm_rect_intersect(&dst_clip, &src_clip)) 526 return; 527 528 if (!drm_dev_enter(dev, &idx)) 529 return; 530 531 iosys_map_incr(&dst, drm_fb_clip_offset(sdev->pitch, sdev->format, &dst_clip)); 532 drm_fb_blit(&dst, &sdev->pitch, sdev->format->format, shadow_plane_state->data, fb, 533 &src_clip); 534 535 drm_dev_exit(idx); 536 } 537 -- 0-DAY CI Kernel Test Service https://01.org/lkp