Commit cc39f9cc authored by YuBiao Wang's avatar YuBiao Wang Committed by Alex Deucher
Browse files

drm/amdkfd: Use gpu_offset for user queue's wptr 



Directly use tbo's start address will miss the domain start offset. Need
to use gpu_offset instead.

Signed-off-by: default avatarYuBiao Wang <YuBiao.Wang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 2de19022

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+1 −1
Original line number Diff line number Diff line
@@ -216,7 +216,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q, 


	if (q->wptr_bo) {

		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;

		queue_input.wptr_mc_addr = amdgpu_bo_gpu_offset(q->wptr_bo) + wptr_addr_off;

	}



	queue_input.is_kfd_process = 1;