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Commit 71aec257 authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
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uapi/drm:add new flag for Preemption 



when MCBP supported, we will set pre_enb bit for those
IBs with PREEMPT flag tagged

Signed-off-by: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ed834af2

include/uapi/drm/amdgpu_drm.h

+3 −0
Original line number Diff line number Diff line
@@ -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_* */