diff options
| author | Sean Paul <seanpaul@chromium.org> | 2019-10-23 17:14:11 +0200 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2019-10-23 17:14:11 +0200 |
| commit | 44bf67f32a6803339ac1ba721b158c3e2272cabe (patch) | |
| tree | 1ed93503a4a1d20005b85df91bd81e5f5982f348 /drivers/gpu/drm/ttm/ttm_bo_vm.c | |
| parent | Revert "drm/omap: add OMAP_BO flags to affect buffer allocation" (diff) | |
| parent | Merge v5.4-rc4 into drm-next (diff) | |
| download | linux-44bf67f32a6803339ac1ba721b158c3e2272cabe.tar.xz linux-44bf67f32a6803339ac1ba721b158c3e2272cabe.zip | |
Merge drm/drm-next into drm-misc-next
Parroting Daniel's backmerge justification from
2e79e22e092acd55da0b2db066e4826d7d152c41:
Thierry needs fd70c7755bf0 ("drm/bridge: tc358767: fix max_tu_symbol
value") to be able to merge his dp_link patch series.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_vm.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 1a9db691f954..79f01c5ff65e 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -278,15 +278,13 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf) else ret = vmf_insert_pfn(&cvma, address, pfn); - /* - * Somebody beat us to this PTE or prefaulting to - * an already populated PTE, or prefaulting error. - */ - - if (unlikely((ret == VM_FAULT_NOPAGE && i > 0))) - break; - else if (unlikely(ret & VM_FAULT_ERROR)) - goto out_io_unlock; + /* Never error on prefaulted PTEs */ + if (unlikely((ret & VM_FAULT_ERROR))) { + if (i == 0) + goto out_io_unlock; + else + break; + } address += PAGE_SIZE; if (unlikely(++page_offset >= page_last)) |