From 71aec257ec52caadf8ea3c297e6cff39fec49a2d Mon Sep 17 00:00:00 2001
From: Monk Liu <Monk.Liu@amd.com>
Date: Wed, 8 Mar 2017 15:38:54 +0800
Subject: [PATCH] uapi/drm:add new flag for Preemption
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when MCBP supported, we will set pre_enb bit for those
IBs with PREEMPT flag tagged
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
include/uapi/drm/amdgpu_drm.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 4179241e5e7ce..516a9f2857307 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -448,6 +448,9 @@ union drm_amdgpu_cs {
/* Preamble flag, which means the IB could be dropped if no context switch */
#define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
+/* Preempt flag, IB should set Pre_enb bit if PREEMPT flag detected */
+#define AMDGPU_IB_FLAG_PREEMPT (1<<2)
+
struct drm_amdgpu_cs_chunk_ib {
__u32 _pad;
/** AMDGPU_IB_FLAG_* */
--
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