Re: [PATCH v3 2/4] drm/amdkfd: Use cursor start instead of ttm resource start

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Am 25.01.23 um 15:24 schrieb Somalapuram Amaranath:
cleanup PAGE_SHIFT operation and replacing
ttm_resource resource->start with cursor start
using amdgpu_res_first API.
v1 -> v2: reorder patch sequence
v2 -> v3: addressing review comment v2

Signed-off-by: Somalapuram Amaranath <Amaranath.Somalapuram@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 6 +++++-
  1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index c06ada0844ba..9114393d2ee6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -200,8 +200,12 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
  	queue_input.wptr_addr = (uint64_t)q->properties.write_ptr;
if (q->wptr_bo) {
+		struct amdgpu_res_cursor cursor;
+
  		wptr_addr_off = (uint64_t)q->properties.write_ptr & (PAGE_SIZE - 1);
-		queue_input.wptr_mc_addr = ((uint64_t)q->wptr_bo->tbo.resource->start << PAGE_SHIFT) + wptr_addr_off;
+		amdgpu_res_first(q->wptr_bo->tbo.resource, 0,
+				 q->wptr_bo->tbo.resource->size, &cursor);
+		queue_input.wptr_mc_addr = cursor.start + wptr_addr_off;
  	}
queue_input.is_kfd_process = 1;




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