Am 2020-10-19 um 10:02 a.m. schrieb Jay Cornwall:
> 0 causes instruction fetch stall at cache line boundary under some
> conditions on Navi10. A non-zero prefetch is the preferred default
> in any case.
>
> Fixes soft hang in Luxmark.
>
> Signed-off-by: Jay Cornwall <jay.cornwall@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c
> index 72e4d61ac752..ad0593342333 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_v10.c
> @@ -58,8 +58,9 @@ static int update_qpd_v10(struct device_queue_manager *dqm,
> /* check if sh_mem_config register already configured */
> if (qpd->sh_mem_config == 0) {
> qpd->sh_mem_config =
> - SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
> - SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT;
> + (SH_MEM_ALIGNMENT_MODE_UNALIGNED <<
> + SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) |
> + (3 << SH_MEM_CONFIG__INITIAL_INST_PREFETCH__SHIFT);
> #if 0
> /* TODO:
> * This shouldn't be an issue with Navi10. Verify.
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