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Date: Thu, 29 Mar 2018 21:45:37 +0800
From: kbuild test robot <lkp@...el.com>
To: Oleksandr Andrushchenko <andr2000@...il.com>
Cc: kbuild-all@...org, xen-devel@...ts.xenproject.org,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
airlied@...ux.ie, daniel.vetter@...el.com, seanpaul@...omium.org,
gustavo@...ovan.org, jgross@...e.com, boris.ostrovsky@...cle.com,
konrad.wilk@...cle.com, andr2000@...il.com,
Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Subject: Re: [PATCH v5 1/1] drm/xen-front: Add support for Xen PV display
frontend
Hi Oleksandr,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm/drm-next]
[also build test ERROR on next-20180329]
[cannot apply to v4.16-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Oleksandr-Andrushchenko/drm-xen-front-Add-support-for-Xen-PV-display-frontend/20180329-191740
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/gpu/drm/xen/xen_drm_front.c:484:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front.c:487:17: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front.c:484:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front.c:487:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front.c: In function 'xen_drm_drv_free_object_unlocked':
>> drivers/gpu/drm/xen/xen_drm_front.c:484:6: error: implicit declaration of function 'drm_dev_enter'; did you mean 'drm_dev_unref'? [-Werror=implicit-function-declaration]
if (drm_dev_enter(obj->dev, &idx)) {
^~~~~~~~~~~~~
drm_dev_unref
>> drivers/gpu/drm/xen/xen_drm_front.c:487:3: error: implicit declaration of function 'drm_dev_exit'; did you mean 'drm_dev_init'? [-Werror=implicit-function-declaration]
drm_dev_exit(idx);
^~~~~~~~~~~~
drm_dev_init
cc1: some warnings being treated as errors
--
drivers/gpu/drm/xen/xen_drm_front_kms.c:40:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:43:17: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:119:14: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:132:9: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:141:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:144:17: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:258:14: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:274:9: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: sparse: incorrect type in initializer (different argument counts)
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: expected void ( *enable )( ... )
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: got void ( *<noident> )( ... )
drivers/gpu/drm/xen/xen_drm_front_kms.c:40:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:43:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:119:27: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:132:21: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:141:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:144:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:258:27: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:274:21: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c: In function 'fb_destroy':
>> drivers/gpu/drm/xen/xen_drm_front_kms.c:40:6: error: implicit declaration of function 'drm_dev_enter'; did you mean 'drm_dev_unref'? [-Werror=implicit-function-declaration]
if (drm_dev_enter(fb->dev, &idx)) {
^~~~~~~~~~~~~
drm_dev_unref
>> drivers/gpu/drm/xen/xen_drm_front_kms.c:43:3: error: implicit declaration of function 'drm_dev_exit'; did you mean 'drm_dev_init'? [-Werror=implicit-function-declaration]
drm_dev_exit(idx);
^~~~~~~~~~~~
drm_dev_init
drivers/gpu/drm/xen/xen_drm_front_kms.c: At top level:
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:12: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.enable = display_enable,
^~~~~~~~~~~~~~
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:12: note: (near initialization for 'display_funcs.enable')
cc1: some warnings being treated as errors
sparse warnings: (new ones prefixed by >>)
drivers/gpu/drm/xen/xen_drm_front.c:484:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front.c:487:17: sparse: undefined identifier 'drm_dev_exit'
>> drivers/gpu/drm/xen/xen_drm_front.c:484:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front.c:487:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front.c: In function 'xen_drm_drv_free_object_unlocked':
drivers/gpu/drm/xen/xen_drm_front.c:484:6: error: implicit declaration of function 'drm_dev_enter'; did you mean 'drm_dev_unref'? [-Werror=implicit-function-declaration]
if (drm_dev_enter(obj->dev, &idx)) {
^~~~~~~~~~~~~
drm_dev_unref
drivers/gpu/drm/xen/xen_drm_front.c:487:3: error: implicit declaration of function 'drm_dev_exit'; did you mean 'drm_dev_init'? [-Werror=implicit-function-declaration]
drm_dev_exit(idx);
^~~~~~~~~~~~
drm_dev_init
cc1: some warnings being treated as errors
--
drivers/gpu/drm/xen/xen_drm_front_kms.c:40:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:43:17: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:119:14: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:132:9: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:141:13: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:144:17: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:258:14: sparse: undefined identifier 'drm_dev_enter'
drivers/gpu/drm/xen/xen_drm_front_kms.c:274:9: sparse: undefined identifier 'drm_dev_exit'
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: sparse: incorrect type in initializer (different argument counts) @@ expected void ( *enable )( ... ) @@ got void ( *enable )( ... ) @@
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: expected void ( *enable )( ... )
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:19: got void ( *<noident> )( ... )
>> drivers/gpu/drm/xen/xen_drm_front_kms.c:40:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:43:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:119:27: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:132:21: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:141:26: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:144:29: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:258:27: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c:274:21: sparse: call with no type!
drivers/gpu/drm/xen/xen_drm_front_kms.c: In function 'fb_destroy':
drivers/gpu/drm/xen/xen_drm_front_kms.c:40:6: error: implicit declaration of function 'drm_dev_enter'; did you mean 'drm_dev_unref'? [-Werror=implicit-function-declaration]
if (drm_dev_enter(fb->dev, &idx)) {
^~~~~~~~~~~~~
drm_dev_unref
drivers/gpu/drm/xen/xen_drm_front_kms.c:43:3: error: implicit declaration of function 'drm_dev_exit'; did you mean 'drm_dev_init'? [-Werror=implicit-function-declaration]
drm_dev_exit(idx);
^~~~~~~~~~~~
drm_dev_init
drivers/gpu/drm/xen/xen_drm_front_kms.c: At top level:
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:12: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
.enable = display_enable,
^~~~~~~~~~~~~~
drivers/gpu/drm/xen/xen_drm_front_kms.c:296:12: note: (near initialization for 'display_funcs.enable')
cc1: some warnings being treated as errors
vim +484 drivers/gpu/drm/xen/xen_drm_front.c
478
479 static void xen_drm_drv_free_object_unlocked(struct drm_gem_object *obj)
480 {
481 struct xen_drm_front_drm_info *drm_info = obj->dev->dev_private;
482 int idx;
483
> 484 if (drm_dev_enter(obj->dev, &idx)) {
485 xen_drm_front_dbuf_destroy(drm_info->front_info,
486 xen_drm_front_dbuf_to_cookie(obj));
> 487 drm_dev_exit(idx);
488 } else
489 dbuf_free(&drm_info->front_info->dbuf_list,
490 xen_drm_front_dbuf_to_cookie(obj));
491
492 xen_drm_front_gem_free_object_unlocked(obj);
493 }
494
---
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