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
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