Please ignore all the kbuild bot related mails on this branch.
As the purpose of this branch is chrome specific and in a very specific build
environment.
Regards,
Shirish S
________________________________
From: StDenis, Tom
Sent: Tuesday, November 14, 2017 4:58:48 PM
To: kbuild test robot
Cc: kbuild-...@01.org; dri-devel@lists.freedesktop.org; S, Shirish; Koenig,
Christian; Deucher, Alexander
Subject: Re: [radeon-alex:upstream-4.14-drm-next-amd-dc-staging-chrome 4/16]
drivers/gpu//drm/ttm/ttm_page_alloc.c:923:5: error: redefinition of
'ttm_populate_and_map_pages'
Is this:
commit 7a9667ae197460e6c9c3bb432fe68c708fce6259
Refs: v4.13-rc5-1195-g7a9667ae1974
Author: Tom St Denis <tom.stde...@amd.com>
AuthorDate: Tue Sep 5 07:30:59 2017 -0400
Commit: Alex Deucher <alexander.deuc...@amd.com>
CommitDate: Tue Sep 12 14:22:55 2017 -0400
drm/ttm: Fix configuration error around populate_and_map() functions
Fixed kbuild errors when IOMMU/SWIOTLB are disabled.
Signed-off-by: Tom St Denis <tom.stde...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Not part of this series because we literally went through this before :-)
Tom
On 13/11/17 05:25 PM, kbuild test robot wrote:
> tree: git://people.freedesktop.org/~agd5f/linux.git
> upstream-4.14-drm-next-amd-dc-staging-chrome
> head: 4448b9a68413462529d018050cd246bc33957bd6
> commit: ed285b98008b667978d7faf348a22000b8a1c6b9 [4/16] drm/ttm: Add helper
> functions to populate/map in one call (v2)
> config: i386-randconfig-s0-201746 (attached as .config)
> compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
> reproduce:
> git checkout ed285b98008b667978d7faf348a22000b8a1c6b9
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All errors (new ones prefixed by >>):
>
>>> drivers/gpu//drm/ttm/ttm_page_alloc.c:923:5: error: redefinition of
>>> 'ttm_populate_and_map_pages'
> int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from drivers/gpu//drm/ttm/ttm_page_alloc.c:49:0:
> include/drm/ttm/ttm_page_alloc.h:120:19: note: previous definition of
> 'ttm_populate_and_map_pages' was here
> static inline int ttm_populate_and_map_pages(struct device *dev, struct
> ttm_dma_tt *tt)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>> drivers/gpu//drm/ttm/ttm_page_alloc.c:950:6: error: redefinition of
>>> 'ttm_unmap_and_unpopulate_pages'
> void ttm_unmap_and_unpopulate_pages(struct device *dev, struct
> ttm_dma_tt *tt)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from drivers/gpu//drm/ttm/ttm_page_alloc.c:49:0:
> include/drm/ttm/ttm_page_alloc.h:125:20: note: previous definition of
> 'ttm_unmap_and_unpopulate_pages' was here
> static inline void ttm_unmap_and_unpopulate_pages(struct device *dev,
> struct ttm_dma_tt *tt)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> vim +/ttm_populate_and_map_pages +923 drivers/gpu//drm/ttm/ttm_page_alloc.c
>
> 922
> > 923 int ttm_populate_and_map_pages(struct device *dev, struct
> ttm_dma_tt *tt)
> 924 {
> 925 unsigned i;
> 926 int r;
> 927
> 928 r = ttm_pool_populate(&tt->ttm);
> 929 if (r)
> 930 return r;
> 931
> 932 for (i = 0; i < tt->ttm.num_pages; i++) {
> 933 tt->dma_address[i] = dma_map_page(dev,
> tt->ttm.pages[i],
> 934 0, PAGE_SIZE,
> 935
> DMA_BIDIRECTIONAL);
> 936 if (dma_mapping_error(dev, tt->dma_address[i]))
> {
> 937 while (i--) {
> 938 dma_unmap_page(dev,
> tt->dma_address[i],
> 939 PAGE_SIZE,
> DMA_BIDIRECTIONAL);
> 940 tt->dma_address[i] = 0;
> 941 }
> 942 ttm_pool_unpopulate(&tt->ttm);
> 943 return -EFAULT;
> 944 }
> 945 }
> 946 return 0;
> 947 }
> 948 EXPORT_SYMBOL(ttm_populate_and_map_pages);
> 949
> > 950 void ttm_unmap_and_unpopulate_pages(struct device *dev, struct
> ttm_dma_tt *tt)
> 951 {
> 952 unsigned i;
> 953
> 954 for (i = 0; i < tt->ttm.num_pages; i++) {
> 955 if (tt->dma_address[i]) {
> 956 dma_unmap_page(dev, tt->dma_address[i],
> 957 PAGE_SIZE,
> DMA_BIDIRECTIONAL);
> 958 }
> 959 }
> 960 ttm_pool_unpopulate(&tt->ttm);
> 961 }
> 962 EXPORT_SYMBOL(ttm_unmap_and_unpopulate_pages);
> 963
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
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