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Commit 8ae0d2b8 authored by Andres Rodriguez's avatar Andres Rodriguez Committed by Alex Deucher
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drm/amdgpu: fix kgd_hqd_load failing to update shadow_wptr 



The return value from copy_form_user is 0 for the success case.

Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAndres Rodriguez <andresx7@gmail.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 97bf47b2

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c

+1 −1
Original line number Diff line number Diff line
@@ -252,7 +252,7 @@ static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, 
	m = get_mqd(mqd);



	valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr));

	if (valid_wptr > 0)

	if (valid_wptr == 0)

		m->cp_hqd_pq_wptr = shadow_wptr;



	acquire_queue(kgd, pipe_id, queue_id);