diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index c3ea3635e1fc5059d88b4b7a71e0410336dbb643..975edb1000a202e3dcd2b7cbe2cc2c8916aa855f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -525,8 +525,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, return -EINVAL; } - invalid_flags = ~(AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE | - AMDGPU_VM_PAGE_EXECUTABLE); + invalid_flags = ~(AMDGPU_VM_DELAY_UPDATE | AMDGPU_VM_PAGE_READABLE | + AMDGPU_VM_PAGE_WRITEABLE | AMDGPU_VM_PAGE_EXECUTABLE); if ((args->flags & invalid_flags)) { dev_err(&dev->pdev->dev, "invalid flags 0x%08X vs 0x%08X\n", args->flags, invalid_flags); @@ -579,7 +579,7 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, break; } - if (!r) + if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) amdgpu_gem_va_update_vm(adev, bo_va); drm_gem_object_unreference_unlocked(gobj); diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 8edf1042036167c55d8b00f16c0b320ac0680a20..b6fce900a8334613f45f169a0c28802327222f56 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -313,6 +313,9 @@ struct drm_amdgpu_gem_op { #define AMDGPU_VA_OP_MAP 1 #define AMDGPU_VA_OP_UNMAP 2 +/* Delay the page table update till the next CS */ +#define AMDGPU_VM_DELAY_UPDATE (1 << 0) + /* Mapping flags */ /* readable mapping */ #define AMDGPU_VM_PAGE_READABLE (1 << 1)