[PATCH] drm/amdgpu: limit the number of dst address in trace

Somalapuram Amaranath Amaranath.Somalapuram at amd.com
Tue Jan 11 07:09:43 UTC 2022


trace_amdgpu_vm_update_ptes trace unable to log when nptes too large

Signed-off-by: Somalapuram Amaranath <Amaranath.Somalapuram at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 0e7dc23f78e7..0630bd43238c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1632,6 +1632,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
 			 * silent to stop fault floods.
 			 */
 			nptes = max(nptes, 1u);
+			nptes = nptes > 32 ? 32 : nptes;
 
 			trace_amdgpu_vm_update_ptes(params, frag_start, upd_end,
 						    nptes, dst, incr, upd_flags,
-- 
2.25.1



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