diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1810-drm-amdgpu-KFD-Fix-for-using-new-MMU-lock.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1810-drm-amdgpu-KFD-Fix-for-using-new-MMU-lock.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1810-drm-amdgpu-KFD-Fix-for-using-new-MMU-lock.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1810-drm-amdgpu-KFD-Fix-for-using-new-MMU-lock.patch new file mode 100644 index 00000000..1143d40b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1810-drm-amdgpu-KFD-Fix-for-using-new-MMU-lock.patch @@ -0,0 +1,39 @@ +From 84492ad94c0abfa9eeb7b0d98964438fdccf6409 Mon Sep 17 00:00:00 2001 +From: "Le.Ma" <Le.Ma@amd.com> +Date: Wed, 20 Sep 2017 16:59:01 +0800 +Subject: [PATCH 1810/4131] drm/amdgpu: [KFD] Fix for using new MMU lock + +Unlock is moved into amdgpu_mn_invalidate_range_end() + +Change-Id: I48034c3f4a93e6514c0997458c55eab1a212c472 +Signed-off-by: Le.Ma <Le.Ma@amd.com> +Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +index e21172ee..c870664 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +@@ -264,7 +264,7 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn, + /* notification is exclusive, but interval is inclusive */ + end -= 1; + +- mutex_lock(&rmn->lock); ++ amdgpu_mn_read_lock(rmn); + + it = interval_tree_iter_first(&rmn->objects, start, end); + while (it) { +@@ -282,8 +282,6 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn, + amdgpu_amdkfd_evict_userptr(mem, mm); + } + } +- +- mutex_unlock(&rmn->lock); + } + + static const struct mmu_notifier_ops amdgpu_mn_ops[] = { +-- +2.7.4 + |