diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4283-drm-amdkfd-Fix-kernel-queue-rollback-for-64-bit-wptr.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4283-drm-amdkfd-Fix-kernel-queue-rollback-for-64-bit-wptr.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4283-drm-amdkfd-Fix-kernel-queue-rollback-for-64-bit-wptr.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4283-drm-amdkfd-Fix-kernel-queue-rollback-for-64-bit-wptr.patch new file mode 100644 index 00000000..b315ea30 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4283-drm-amdkfd-Fix-kernel-queue-rollback-for-64-bit-wptr.patch @@ -0,0 +1,34 @@ +From d59254eb69d5b89b8a4dc52c975b9f6fbc7a72bd Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Tue, 24 Apr 2018 00:05:49 -0400 +Subject: [PATCH 4283/5725] drm/amdkfd: Fix kernel queue rollback for 64-bit + wptr + +Change-Id: I41afaa534cf23ba77e522729bc113d258b402b46 +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +index 8cf9d44..51b976d 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c +@@ -315,7 +315,13 @@ static void submit_packet(struct kernel_queue *kq) + + static void rollback_packet(struct kernel_queue *kq) + { +- kq->pending_wptr = *kq->queue->properties.write_ptr; ++ if (kq->dev->device_info->doorbell_size == 8) { ++ kq->pending_wptr64 = *kq->wptr64_kernel; ++ kq->pending_wptr = *kq->wptr_kernel % ++ (kq->queue->properties.queue_size / 4); ++ } else { ++ kq->pending_wptr = *kq->wptr_kernel; ++ } + } + + struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, +-- +2.7.4 + |