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author | Dave Airlie | 2018-07-18 21:13:14 +0200 |
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committer | Dave Airlie | 2018-07-18 21:27:57 +0200 |
commit | 54c88a029a0a86fe00a0ee7d2a15ee08e6d04db9 (patch) | |
tree | 57c28532f31aa88b452bc2cf947dbe4e0b1f9ddb /drivers/gpu/drm/v3d/v3d_bo.c | |
parent | Merge tag 'vmwgfx-next-4.19-3' of git://people.freedesktop.org/~thomash/linux... (diff) | |
parent | drm/client: Fix: drm_client_new: Don't require DRM to be registered (diff) | |
download | kernel-qcow2-linux-54c88a029a0a86fe00a0ee7d2a15ee08e6d04db9.tar.gz kernel-qcow2-linux-54c88a029a0a86fe00a0ee7d2a15ee08e6d04db9.tar.xz kernel-qcow2-linux-54c88a029a0a86fe00a0ee7d2a15ee08e6d04db9.zip |
Merge tag 'drm-misc-next-2018-07-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 4.19:
Cross-subsystem Changes:
- many dt-bindings Doc changes
Core Changes:
- Encoder clean ups (Ville Syrjälä)
- Connector Writeback improvements(Boris Brezillon)
- Fake vblank support (Boris Brezillon)
- API for in-kernel clients (Noralf Trønnes)
- improvements to the path of finding panels(Boris Brezillon)
Driver Changes:
- initial support for the virtual display driver - vkms(Haneen Mohammed and Rodrigo Siqueira)
- panel: add Rocktech RK070ER9427 LCD support (Jagan Teki)
- panel: add support for the EDT ETM0700G0EDH6 and EDT ETM0700G0BDH6(Jan Tuerk)
- panel: add DLC DLC0700YZG-1 (Philipp Zabel)
- panel: add support for BOE HV070WSA-100 (Andrzej Hajda)
- panel: add newhaven, nhd-4.3-480272ef-atxl LCD (Tomi Valkeinen)
- panel: add support for Innolux G070Y2-L01 (Christoph Fritz)
- panel: add support for DataImage SCF0700C48GGU18 (Michal Vokáč)
- panel: add support for Sharp LQ035Q7DB03 (Vladimir Zapolskiy)
- panel: p079zca: Refactor panel driver to support multiple panels (Lin Huang)
- sun4i: Add R40 display engine compatible(Jernej Skrabec)
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180712011137.GA26620@juma
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_bo.c')
-rw-r--r-- | drivers/gpu/drm/v3d/v3d_bo.c | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_bo.c b/drivers/gpu/drm/v3d/v3d_bo.c index 7b1e2a549a71..54d96518a131 100644 --- a/drivers/gpu/drm/v3d/v3d_bo.c +++ b/drivers/gpu/drm/v3d/v3d_bo.c @@ -227,37 +227,19 @@ v3d_set_mmap_vma_flags(struct vm_area_struct *vma) vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); } -int v3d_gem_fault(struct vm_fault *vmf) +vm_fault_t v3d_gem_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct drm_gem_object *obj = vma->vm_private_data; struct v3d_bo *bo = to_v3d_bo(obj); - unsigned long pfn; + pfn_t pfn; pgoff_t pgoff; - int ret; /* We don't use vmf->pgoff since that has the fake offset: */ pgoff = (vmf->address - vma->vm_start) >> PAGE_SHIFT; - pfn = page_to_pfn(bo->pages[pgoff]); - - ret = vm_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, PFN_DEV)); - - switch (ret) { - case -EAGAIN: - case 0: - case -ERESTARTSYS: - case -EINTR: - case -EBUSY: - /* - * EBUSY is ok: this just means that another thread - * already did the job. - */ - return VM_FAULT_NOPAGE; - case -ENOMEM: - return VM_FAULT_OOM; - default: - return VM_FAULT_SIGBUS; - } + pfn = __pfn_to_pfn_t(page_to_pfn(bo->pages[pgoff]), PFN_DEV); + + return vmf_insert_mixed(vma, vmf->address, pfn); } int v3d_mmap(struct file *filp, struct vm_area_struct *vma) |