diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0825-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_pages-work-in.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0825-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_pages-work-in.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0825-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_pages-work-in.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0825-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_pages-work-in.patch deleted file mode 100644 index f8fbb503..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/0825-drm-amdgpu-Make-amdgpu_ttm_tt_get_user_pages-work-in.patch +++ /dev/null @@ -1,51 +0,0 @@ -From 83f520bbb6648732ee0329d218cb007ed58680cd Mon Sep 17 00:00:00 2001 -From: Felix Kuehling <Felix.Kuehling@amd.com> -Date: Fri, 15 Jan 2016 16:19:12 -0500 -Subject: [PATCH 0825/4131] drm/amdgpu: Make amdgpu_ttm_tt_get_user_pages work - in kernel thread - -For HSA userptr support, a kernel worker thread must be able to -re-pin a userptr BO after an MMU notifier unpinned it. Store the -user task_struct in amdgpu_ttm_tt and use that task and its -mm_struct instead of the current thread's. - -Change-Id: I3ba20fc9c489ad598c9706cf0b64231a18a0ec9f -Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> ---- - drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - -diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -index a80d9cb..f81146b 100644 ---- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c -@@ -657,7 +657,7 @@ struct amdgpu_ttm_tt { - struct amdgpu_device *adev; - u64 offset; - uint64_t userptr; -- struct mm_struct *usermm; -+ struct task_struct *usertask; - uint32_t userflags; - spinlock_t guptasklock; - struct list_head guptasks; -@@ -681,7 +681,7 @@ int amdgpu_ttm_tt_get_user_pages(struct ttm_tt *ttm, struct page **pages) - unsigned long end = gtt->userptr + ttm->num_pages * PAGE_SIZE; - struct vm_area_struct *vma; - -- vma = find_vma(gtt->usermm, gtt->userptr); -+ vma = find_vma(gtt->usertask->mm, gtt->userptr); - if (!vma || vma->vm_file || vma->vm_end < end) - return -EPERM; - } -@@ -1041,7 +1041,7 @@ int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr, - return -EINVAL; - - gtt->userptr = addr; -- gtt->usermm = current->mm; -+ gtt->usertask = current; - gtt->userflags = flags; - spin_lock_init(>t->guptasklock); - INIT_LIST_HEAD(>t->guptasks); --- -2.7.4 - |