[PATCH AUTOSEL 6.14 062/642] drm/amdkfd: set precise mem ops caps to disabled for gfx 11 and 12

Sasha Levin sashal at kernel.org
Mon May 5 22:04:38 UTC 2025


From: Jonathan Kim <jonathan.kim at amd.com>

[ Upstream commit f82d27dcff939d3cbecbc60e1b71e2518c37e81d ]

Clause instructions with precise memory enabled currently hang the
shader so set capabilities flag to disabled since it's unsafe to use
for debugging.

Signed-off-by: Jonathan Kim <jonathan.kim at amd.com>
Tested-by: Lancelot Six <lancelot.six at amd.com>
Reviewed-by: Harish Kasiviswanathan <harish.kasiviswanathan at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 62a9a9ccf9bb6..334c576a75b14 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -2006,10 +2006,6 @@ static void kfd_topology_set_capabilities(struct kfd_topology_device *dev)
 		dev->node_props.debug_prop |= HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX10 |
 					HSA_DBG_WATCH_ADDR_MASK_HI_BIT;
 
-		if (KFD_GC_VERSION(dev->gpu) >= IP_VERSION(11, 0, 0))
-			dev->node_props.capability |=
-				HSA_CAP_TRAP_DEBUG_PRECISE_MEMORY_OPERATIONS_SUPPORTED;
-
 		if (KFD_GC_VERSION(dev->gpu) >= IP_VERSION(12, 0, 0))
 			dev->node_props.capability |=
 				HSA_CAP_TRAP_DEBUG_PRECISE_ALU_OPERATIONS_SUPPORTED;
-- 
2.39.5



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