Am 22.03.19 um 06:30 schrieb Monk Liu:
should use amdgpu_bo_map, otherwise you'll hit NULL
pointer bug if with amdgpu_bo_kptr
Yeah that is a known problem. NAK to this one cause that would map the
BO at the wrong time.
But in general I have a proper fix for this in the pipeline.
Christian.
Signed-off-by: Monk Liu <Monk.Liu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
index 9d53982..1fb6295a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
@@ -76,8 +76,10 @@ static int amdgpu_vm_cpu_update(struct amdgpu_vm_update_params *p,
{
unsigned int i;
uint64_t value;
+ void *ptr;
- pe += (unsigned long)amdgpu_bo_kptr(bo);
+ amdgpu_bo_kmap(bo, &ptr);
+ pe += (unsigned long)ptr;
trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags);
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
