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>
---
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.
--
2.17.1
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