On Sat, Nov 21, 2015 at 02:01:55AM +0800, kbuild test robot wrote: > Hi Chris, > > [auto build test WARNING on drm-intel/for-linux-next] > [cannot apply to v4.4-rc1 next-20151120] > > url: https://github.com/0day-ci/linux/commits/Chris-Wilson/drm-i915-Pin-the-ifbdev-for-the-info-system_base-GGTT-mmapping/20151121-003300 > base: git://anongit.freedesktop.org/drm-intel for-linux-next > reproduce: > # apt-get install sparse > make ARCH=x86_64 allmodconfig > make C=1 CF=-D__CHECK_ENDIAN__ > > > sparse warnings: (new ones prefixed by >>) > > >> drivers/gpu/drm/i915/intel_fbdev.c:225:58: sparse: incorrect type in argument 2 (different base types) > drivers/gpu/drm/i915/intel_fbdev.c:225:58: expected struct drm_framebuffer *fb > drivers/gpu/drm/i915/intel_fbdev.c:225:58: got struct drm_framebuffer base > drivers/gpu/drm/i915/intel_fbdev.c: In function 'intelfb_create': > drivers/gpu/drm/i915/intel_fbdev.c:225:41: error: incompatible type for argument 2 of 'intel_pin_and_fence_fb_obj' > ret = intel_pin_and_fence_fb_obj(NULL, ifbdev->fb->base, NULL); > ^ > In file included from drivers/gpu/drm/i915/intel_fbdev.c:44:0: > drivers/gpu/drm/i915/intel_drv.h:1098:5: note: expected 'struct drm_framebuffer *' but argument is of type 'struct drm_framebuffer' > int intel_pin_and_fence_fb_obj(struct drm_plane *plane, With the missing & ack for -fixes on both patches from my side. -Daniel > ^ > > vim +225 drivers/gpu/drm/i915/intel_fbdev.c > > 209 } else { > 210 DRM_DEBUG_KMS("re-using BIOS fb\n"); > 211 prealloc = true; > 212 sizes->fb_width = intel_fb->base.width; > 213 sizes->fb_height = intel_fb->base.height; > 214 } > 215 > 216 obj = intel_fb->obj; > 217 size = obj->base.size; > 218 > 219 mutex_lock(&dev->struct_mutex); > 220 > 221 /* Pin the GGTT vma for our access via info->screen_base. > 222 * This also validates that any existing fb inherited from the > 223 * BIOS is suitable for own access. > 224 */ > > 225 ret = intel_pin_and_fence_fb_obj(NULL, ifbdev->fb->base, NULL); > 226 if (ret) > 227 goto out_unlock; > 228 > 229 info = drm_fb_helper_alloc_fbi(helper); > 230 if (IS_ERR(info)) { > 231 DRM_ERROR("Failed to allocate fb_info\n"); > 232 ret = PTR_ERR(info); > 233 goto out_unpin; > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html