|
+ Laurent
From: Zhao, Yong <Yong.Zhao@xxxxxxx>
Sent: Monday, November 11, 2019 6:25 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>; Cornwall, Jay <Jay.Cornwall@xxxxxxx> Cc: Zhao, Yong <Yong.Zhao@xxxxxxx> Subject: [PATCH 3/3] drm/amdkfd: Fix a bug when calculating save_area_used_size workgroup context data writes from m->cp_hqd_cntl_stack_size, so we
should deduct it when calculating the used size. Change-Id: I5252e25662c3b8221f451c39115bf084d1911eae Signed-off-by: Yong Zhao <Yong.Zhao@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index d3380c5bdbde..3a2ee1f01aae 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -302,7 +302,8 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, *ctl_stack_used_size = m->cp_hqd_cntl_stack_size - m->cp_hqd_cntl_stack_offset; - *save_area_used_size = m->cp_hqd_wg_state_offset; + *save_area_used_size = m->cp_hqd_wg_state_offset - + m->cp_hqd_cntl_stack_size;; if (copy_to_user(ctl_stack, mqd_ctl_stack, m->cp_hqd_cntl_stack_size)) return -EFAULT; -- 2.17.1 |
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