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| author | Vasiliy Ulyanov <v.ulyanov@samsung.com> | 2015-11-05 17:43:49 +0300 |
|---|---|---|
| committer | Jinhyung Jo <jinhyung.jo@samsung.com> | 2017-05-10 17:48:05 +0900 |
| commit | 9c722b3e7d443e15654638c90a2687529bb4dc92 (patch) | |
| tree | 0aff62a8db3a28821612ed836071cc8318011dfb | |
| parent | b07dd0103027d0ff8c5680dc947f76c074879e8c (diff) | |
| download | emulator-kernel-9c722b3e7d443e15654638c90a2687529bb4dc92.tar.gz emulator-kernel-9c722b3e7d443e15654638c90a2687529bb4dc92.tar.bz2 emulator-kernel-9c722b3e7d443e15654638c90a2687529bb4dc92.zip | |
VIGS: unbind ttm bo before swapout
TTM BUGs if ttm_tt appears bound while being swaped out. Certain
precautions are now taken in swap_notify ttm_bo_driver callback.
Change-Id: I0c461e6d179af4b424125c1615f95738ac429d47
Signed-off-by: Vasiliy Ulyanov <v.ulyanov@samsung.com>
(cherry picked from commit c1d6b3e728436abaf4833abc66be8bf0f299506f)
| -rw-r--r-- | drivers/gpu/drm/vigs/vigs_mman.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vigs/vigs_mman.c b/drivers/gpu/drm/vigs/vigs_mman.c index fa22fdd18edf..9440d44c40fb 100644 --- a/drivers/gpu/drm/vigs/vigs_mman.c +++ b/drivers/gpu/drm/vigs/vigs_mman.c @@ -309,6 +309,11 @@ static int vigs_ttm_fault_reserve_notify(struct ttm_buffer_object *bo) return 0; } +void vigs_ttm_swap_notify(struct ttm_buffer_object *bo) +{ + ttm_tt_unbind(bo->ttm); +} + static int vigs_ttm_io_mem_reserve(struct ttm_bo_device *bo_dev, struct ttm_mem_reg *mem) { @@ -362,6 +367,7 @@ static struct ttm_bo_driver vigs_ttm_bo_driver = .move = &vigs_ttm_move, .verify_access = &vigs_ttm_verify_access, .fault_reserve_notify = &vigs_ttm_fault_reserve_notify, + .swap_notify = &vigs_ttm_swap_notify, .io_mem_reserve = &vigs_ttm_io_mem_reserve, .io_mem_free = &vigs_ttm_io_mem_free, }; |