Commit e43c80d4 authored by Lijo Lazar's avatar Lijo Lazar Committed by Wen Zhiwei
Browse files

drm/amdkfd: Use the correct wptr size 

stable inclusion
from stable-v6.6.64
commit 70e6599a9e78384d22c3feb95da46514e5e5ee41
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/IBL4B6

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=70e6599a9e78384d22c3feb95da46514e5e5ee41



--------------------------------

commit cdc6705f98ea3f854a60ba8c9b19228e197ae384 upstream.

Write pointer could be 32-bit or 64-bit. Use the correct size during
initialization.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarWen Zhiwei <wenzhiwei@kylinos.cn>
parent 3dfcec6b

drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c

+1 −1
Original line number Diff line number Diff line
@@ -123,7 +123,7 @@ static bool kq_initialize(struct kernel_queue *kq, struct kfd_node *dev, 


	memset(kq->pq_kernel_addr, 0, queue_size);

	memset(kq->rptr_kernel, 0, sizeof(*kq->rptr_kernel));

	memset(kq->wptr_kernel, 0, sizeof(*kq->wptr_kernel));

	memset(kq->wptr_kernel, 0, dev->kfd->device_info.doorbell_size);



	prop.queue_size = queue_size;

	prop.is_interop = false;