Hi All,
I bisected today and the first bad commit is:
a4dec819c8bba6365eb893a4ca88db4dd1210110 (drm/ttm: Add helper functions
to populate/map in one call (v2)) [1]
Please find attached the git bisect log.
Thanks,
Christian
[1]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4dec819c8bba6365eb893a4ca88db4dd1210110
On 22.11.2017 14:45, Ilia Mirkin wrote:
I thought I covered that...
"I'd recommend doing a proper bisect (search for "git bisect", there
are tons of guides). That will identify the commit that's actually
responsible."
-ilia
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git bisect start
git bisect good 894025f24bd028942da3e602b87d9f7223109b14 (Linux 4.15 alpha1 Mon Nov 13 21:14:07 2017 -0800)
git bisect bad e60e1ee60630cafef5e430c2ae364877e061d980
Output:
Bisecting: 2555 revisions left to test after this (roughly 12 steps)
[5bbcc0f595fadb4cac0eddc4401035ec0bd95b09] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
git bisect good
Output:
Bisecting: 1277 revisions left to test after this (roughly 10 steps)
[9a45ddaaa674aa103cd74a0df9a3f9c2c8fb3124] drm/nouveau/mmu: implement page table cache
git bisect bad
Output:
Bisecting: 638 revisions left to test after this (roughly 9 steps)
[d6c0511300dcff19969844495ba293c4efb50b42] drm/i915/execlists: Distinguish the incomplete context notifies
git bisect bad
Output:
Bisecting: 373 revisions left to test after this (roughly 8 steps)
[ae7617f0ef1820be033eef93859a6bb6174a843f] drm/i915: Allow optimized platform checks
git bisect good
Output:
Bisecting: 186 revisions left to test after this (roughly 8 steps)
[6e2e216fadd80b4280783bb78e543593ebf2cb69] drm/amdgpu:use formal register to trigger hdp invalidate
git bisect bad
Output:
Bisecting: 93 revisions left to test after this (roughly 7 steps)
[b72cf4fca2bb786e20864b5e8755105aa9626fb4] drm/amdgpu: move taking mmap_sem into get_user_pages v2
git bisect bad
Output:
Bisecting: 46 revisions left to test after this (roughly 6 steps)
[c5927537dd5706b17affa8aeea28c7b19c8fbb42] drm/amd: Remove null check before kfree
git bisect bad
Output:
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[e719d5169f75ead3c05329b4125afb67b4f33eba] drm/amd/include: Add hdmi_redriver_set to atomfirmware
git bisect good
Output:
Bisecting: 11 revisions left to test after this (roughly 4 steps)
[925d5d798f465671c6b8011e80c636da46ef1a16] drm/amdgpu/gfx8: apply dynamic cu mask to APUs as well
git bisect bad
Output:
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[db95e2185523ee9d46a13ceee37bffe8442d2e1c] drm/amdgpu: Add debugfs file for VBIOS and version
git bisect bad
Output:
Bisecting: 2 revisions left to test after this (roughly 1 step)
[7405e0dad4c75b33976ddd997513635d7a0204b1] drm/amd/amdgpu: Use new TTM populate/map helper function
CC drivers/gpu/drm/ttm/ttm_page_alloc.o
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)
git bisect bad
Output:
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[a4dec819c8bba6365eb893a4ca88db4dd1210110] drm/ttm: Add helper functions to populate/map in one call (v2)
git bisect bad
Output:
a4dec819c8bba6365eb893a4ca88db4dd1210110 is the first bad commit
commit a4dec819c8bba6365eb893a4ca88db4dd1210110
Author: Tom St Denis <tom.stdenis@xxxxxxx>
Date: Fri Aug 18 10:04:57 2017 -0400
drm/ttm: Add helper functions to populate/map in one call (v2)
These functions replace a section of common code found
in radeon/amdgpu drivers (and possibly others) as part
of the ttm_tt_*populate() callbacks.
v2: squash in fix for sw iommu from Tom
Signed-off-by: Tom St Denis <tom.stdenis@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
:040000 040000 04b995fa3def96d5e983d0d5bc728e00b7617fe9 616ef24927f707cfaeecfc4748630f49b52adb42 M drivers
:040000 040000 61abf936f7ea760e19c5cef8a214ffada5ea3aeb 595278390bc27db92848ce8aaa255a1201c2af75 M include
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