From 98291d6d8c2f5864b7dfc1950ece4a7563597f13 Mon Sep 17 00:00:00 2001 From: Eric Huang Date: Tue, 12 May 2020 15:25:38 -0400 Subject: [PATCH] drm/amdkfd: add new flag for uncached GPU mapping The macro is for memory mapped by GPU as uncached. Signed-off-by: Eric Huang Reviewed-by: Oak Zeng Signed-off-by: Alex Deucher --- include/uapi/linux/kfd_ioctl.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index 695b606da4b1..18449f746097 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -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. * -- 2.25.1