diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1165-drm-amdkfd-Simplify-the-KFD-signal_page-structure.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1165-drm-amdkfd-Simplify-the-KFD-signal_page-structure.patch | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1165-drm-amdkfd-Simplify-the-KFD-signal_page-structure.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1165-drm-amdkfd-Simplify-the-KFD-signal_page-structure.patch deleted file mode 100644 index 4c53a4b2..00000000 --- a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/1165-drm-amdkfd-Simplify-the-KFD-signal_page-structure.patch +++ /dev/null @@ -1,62 +0,0 @@ -From 92323a400e85ed853dfd2bb644ffa37f72854362 Mon Sep 17 00:00:00 2001 -From: Yong Zhao <yong.zhao@amd.com> -Date: Mon, 11 Jul 2016 13:47:39 -0400 -Subject: [PATCH 1165/4131] drm/amdkfd: Simplify the KFD signal_page structure - -Change-Id: I24e507ad80ede76e18649229dbd613f27913db7c -Signed-off-by: Yong Zhao <yong.zhao@amd.com> ---- - drivers/gpu/drm/amd/amdkfd/kfd_events.c | 14 ++++++-------- - 1 file changed, 6 insertions(+), 8 deletions(-) - -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -index 6a354f3..f110eba 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -@@ -51,6 +51,9 @@ struct kfd_event_waiter { - uint32_t input_index; - }; - -+#define SLOTS_PER_PAGE KFD_SIGNAL_EVENT_LIMIT -+#define SLOT_BITMAP_LONGS BITS_TO_LONGS(SLOTS_PER_PAGE) -+ - /* Over-complicated pooled allocator for event notification slots. - * - * Each signal event needs a 64-bit signal slot where the signaler will write a 1 -@@ -67,14 +70,9 @@ struct signal_page { - uint64_t __user *user_address; - uint32_t page_index; /* Index into the mmap aperture. */ - unsigned int free_slots; -- unsigned long used_slot_bitmap[0]; -+ unsigned long used_slot_bitmap[SLOT_BITMAP_LONGS]; - }; - --#define SLOTS_PER_PAGE KFD_SIGNAL_EVENT_LIMIT --#define SLOT_BITMAP_SIZE BITS_TO_LONGS(SLOTS_PER_PAGE) --#define BITS_PER_PAGE (ilog2(SLOTS_PER_PAGE)+1) --#define SIGNAL_PAGE_SIZE (sizeof(struct signal_page) + SLOT_BITMAP_SIZE * sizeof(long)) -- - /* - * For signal events, the event ID is used as the interrupt user data. - * For SQ s_sendmsg interrupts, this is limited to 8 bits. -@@ -135,7 +133,7 @@ static bool allocate_signal_page(struct file *devkfd, struct kfd_process *p) - unsigned int slot; - int i; - -- page = kzalloc(SIGNAL_PAGE_SIZE, GFP_KERNEL); -+ page = kzalloc(sizeof(struct signal_page), GFP_KERNEL); - if (!page) - goto fail_alloc_signal_page; - -@@ -202,7 +200,7 @@ allocate_signal_page_dgpu(struct kfd_process *p, - { - struct signal_page *my_page; - -- my_page = kzalloc(SIGNAL_PAGE_SIZE, GFP_KERNEL); -+ my_page = kzalloc(sizeof(struct signal_page), GFP_KERNEL); - if (!my_page) - return false; - --- -2.7.4 - |