On 2024-05-29 23:47, Jesse Zhang wrote:
the expression caps | HSA_CAP_TRAP_DEBUG_PRECISE_MEMORY_OPERATIONS_SUPPORTED
is always 1/true regardless of the values of its operand.
Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx>
Please add a Fixes tag. I think this is the commit that introduced the
problem:
commit 75de8428c3d632eacc7890b7cb39dbec04d286c3
Author: Jonathan Kim <jonathan.kim@xxxxxxx>
Date: Mon Aug 21 11:47:47 2023 -0400
drm/amdkfd: enable single alu ops for gfx12
GFX12 debugging requires setting up precise ALU operation for catching
ALU exceptions.
Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
Tested-by: Lancelot Six <lancelot.six@xxxxxxx>
Reviewed-by: Eric Huang <jinhuieric.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_debug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c
index 3f27bab7a502..4abd275056d6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_debug.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_debug.c
@@ -503,7 +503,7 @@ int kfd_dbg_trap_set_flags(struct kfd_process *target, uint32_t *flags)
kfd_topology_device_by_id(target->pdds[i]->dev->id);
uint32_t caps = topo_dev->node_props.capability;
- if (!(caps | HSA_CAP_TRAP_DEBUG_PRECISE_MEMORY_OPERATIONS_SUPPORTED) &&
+ if (!(caps & HSA_CAP_TRAP_DEBUG_PRECISE_MEMORY_OPERATIONS_SUPPORTED) &&
Looks like the same mistake was copied and pasted for
HSA_CAP_TRAP_DEBUG_PRECISE_ALU_OPERATIONS_SUPPORTED a few lines below.
Please fix that as well while you're at it.
Thanks,
Felix
(*flags & KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP)) {
*flags = prev_flags;
return -EACCES;
