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From cb86643f363470bce947d028b187f043aaa9cbbd Mon Sep 17 00:00:00 2001
From: Sanjay R Mehta <sanju.mehta@amd.com>
Date: Wed, 21 Mar 2018 12:52:09 +0530
Subject: [PATCH 1354/4131] making kfd signal event limit macro to be page
aligned
Error check in ifunction kfd_event_mmap() is failing without this
on Carrizo.
The macro value of KFD_SIGNAL_EVENT_LIMIT in 1.6.3 rocm was
(4096 +512) and by reverting it back rocm is functional on Carrizo.
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
---
include/uapi/linux/kfd_ioctl.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index de5367c..26e0abc 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -208,7 +208,7 @@ struct kfd_ioctl_dbg_wave_control_args {
#define KFD_IOC_WAIT_RESULT_TIMEOUT 1
#define KFD_IOC_WAIT_RESULT_FAIL 2
-#define KFD_SIGNAL_EVENT_LIMIT 4096
+#define KFD_SIGNAL_EVENT_LIMIT (4096 + 512)
struct kfd_ioctl_create_event_args {
uint64_t event_page_offset; /* from KFD */
--
2.7.4
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