diff options
Diffstat (limited to 'shared-core/drm.h')
| -rw-r--r-- | shared-core/drm.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/shared-core/drm.h b/shared-core/drm.h index cbe83fd1..303a84b6 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -645,8 +645,14 @@ struct drm_set_version { #define DRM_FENCE_FLAG_EMIT 0x00000001 #define DRM_FENCE_FLAG_SHAREABLE 0x00000002 +/** + * On hardware with no interrupt events for operation completion, + * indicates that the kernel should sleep while waiting for any blocking + * operation to complete rather than spinning. + * + * Has no effect otherwise. + */ #define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004 -#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008 #define DRM_FENCE_FLAG_NO_USER 0x00000010 /* Reserved for driver use */ @@ -795,13 +801,12 @@ struct drm_fence_arg { * with it as a result of this operation */ #define DRM_BO_HINT_DONT_FENCE 0x00000004 -/* - * Sleep while waiting for the operation to complete. - * Without this flag, the kernel will, instead, spin - * until this operation has completed. I'm not sure - * why you would ever want this, so please always - * provide DRM_BO_HINT_WAIT_LAZY to any operation - * which may block +/** + * On hardware with no interrupt events for operation completion, + * indicates that the kernel should sleep while waiting for any blocking + * operation to complete rather than spinning. + * + * Has no effect otherwise. */ #define DRM_BO_HINT_WAIT_LAZY 0x00000008 /* |