drivers/gpu/drm/qxl/qxl_fb.c:76:15: error: variable 'qxl_defio' has initializer but incomplete type

From: kbuild test robot
Date: Wed Aug 10 2016 - 14:45:34 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a0cba2179ea4c1820fce2ee046b6ed90ecc56196
commit: 0b6320dfdfea4c68602fa3b8a8d944bf9e442079 drm/virtio: make fbdev support really optional
date: 3 weeks ago
config: x86_64-randconfig-n0-08102239 (attached as .config)
compiler: gcc-4.8 (Debian 4.8.4-1) 4.8.4
reproduce:
git checkout 0b6320dfdfea4c68602fa3b8a8d944bf9e442079
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

>> drivers/gpu/drm/qxl/qxl_fb.c:76:15: error: variable 'qxl_defio' has initializer but incomplete type
static struct fb_deferred_io qxl_defio = {
^
>> drivers/gpu/drm/qxl/qxl_fb.c:77:2: error: unknown field 'delay' specified in initializer
.delay = QXL_DIRTY_DELAY,
^
>> drivers/gpu/drm/qxl/qxl_fb.c:77:2: warning: excess elements in struct initializer [enabled by default]
drivers/gpu/drm/qxl/qxl_fb.c:77:2: warning: (near initialization for 'qxl_defio') [enabled by default]
>> drivers/gpu/drm/qxl/qxl_fb.c:78:2: error: unknown field 'deferred_io' specified in initializer
.deferred_io = drm_fb_helper_deferred_io,
^
drivers/gpu/drm/qxl/qxl_fb.c:78:2: warning: excess elements in struct initializer [enabled by default]
drivers/gpu/drm/qxl/qxl_fb.c:78:2: warning: (near initialization for 'qxl_defio') [enabled by default]
drivers/gpu/drm/qxl/qxl_fb.c: In function 'qxlfb_create':
>> drivers/gpu/drm/qxl/qxl_fb.c:316:6: error: 'struct fb_info' has no member named 'fbdefio'
info->fbdefio = &qxl_defio;
^

vim +/qxl_defio +76 drivers/gpu/drm/qxl/qxl_fb.c

f64122c1 Dave Airlie 2013-02-25 70 if (image) {
f64122c1 Dave Airlie 2013-02-25 71 memcpy(&qxl_fb_image->fb_image, image,
f64122c1 Dave Airlie 2013-02-25 72 sizeof(qxl_fb_image->fb_image));
f64122c1 Dave Airlie 2013-02-25 73 }
f64122c1 Dave Airlie 2013-02-25 74 }
f64122c1 Dave Airlie 2013-02-25 75
6d01f1f5 Dave Airlie 2013-04-16 @76 static struct fb_deferred_io qxl_defio = {
f64122c1 Dave Airlie 2013-02-25 @77 .delay = QXL_DIRTY_DELAY,
6819c3c2 Noralf Trønnes 2016-04-28 @78 .deferred_io = drm_fb_helper_deferred_io,
f64122c1 Dave Airlie 2013-02-25 79 };
f64122c1 Dave Airlie 2013-02-25 80
f64122c1 Dave Airlie 2013-02-25 81 static struct fb_ops qxlfb_ops = {

:::::: The code at line 76 was first introduced by commit
:::::: 6d01f1f54c01877baad11389291c1aeab9c11e0f drm/qxl: make lots of things static.

:::::: TO: Dave Airlie <airlied@xxxxxxxxxx>
:::::: CC: Dave Airlie <airlied@xxxxxxxxxx>

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