Commit 98291d6d authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
Browse files

drm/amdkfd: add new flag for uncached GPU mapping 



The macro is for memory mapped by GPU as uncached.

Signed-off-by: default avatarEric Huang <jinhuieric.huang@amd.com>
Reviewed-by: default avatarOak Zeng <Oak.Zeng@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 72b4db0f

include/uapi/linux/kfd_ioctl.h

+1 −0
Original line number Diff line number Diff line
@@ -351,6 +351,7 @@ struct kfd_ioctl_acquire_vm_args { 
#define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE	(1 << 28)

#define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM	(1 << 27)

#define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT	(1 << 26)

#define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED	(1 << 25)



/* Allocate memory for later SVM (shared virtual memory) mapping.

 *