Re: [PATCH] drm/i915: Move ioremap_wc tracking onto VMA

kbuild test robot
2016-04-18T15:22:00Z

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Hi Chris,

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on next-20160418]
[cannot apply to v4.6-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Chris-Wilson/drm-i915-Move-ioremap_wc-tracking-onto-VMA/20160418-225730
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-x011-201616 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

drivers/gpu/drm/i915/i915_gem_gtt.c: In function 'i915_vma_pin_iomap':
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3644:27: error: implicit declaration of function 'i915_vm_to_ggtt' [-Werror=implicit-function-declaration]
ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
^
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3644:51: error: invalid type argument of '->' (have 'int')
ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
^
drivers/gpu/drm/i915/i915_gem_gtt.c:3644:9: error: too many arguments to function 'io_mapping_map_wc'
ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
^
In file included from drivers/gpu/drm/i915/i915_drv.h:36:0,
from drivers/gpu/drm/i915/i915_gem_gtt.c:30:
include/linux/io-mapping.h:158:1: note: declared here
io_mapping_map_wc(struct io_mapping *mapping, unsigned long offset)
^
cc1: some warnings being treated as errors

vim +/i915_vm_to_ggtt +3644 drivers/gpu/drm/i915/i915_gem_gtt.c

3638
3639 GEM_BUG_ON(!vma->is_ggtt);
3640 GEM_BUG_ON((vma->bound & GLOBAL_BIND) == 0);
3641
3642 ptr = vma->iomap;
3643 if (ptr == NULL) {
> 3644 ptr = io_mapping_map_wc(i915_vm_to_ggtt(vma->vm)->mappable,
3645 vma->node.start,
3646 vma->node.size);
3647 if (ptr == NULL)

---
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