drm/amdgpu/gfx8: reserve kiq eop object before unmapping it

It's required.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 353494431a92b9f86faf011c89c0ba83f79cc5ff..0fc29959f4123dda407575699d35d9b80275492f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1488,7 +1488,11 @@ static int gfx_v8_0_kiq_init(struct amdgpu_device *adev)
 
        memset(hpd, 0, MEC_HPD_SIZE);
 
+       r = amdgpu_bo_reserve(kiq->eop_obj, false);
+       if (unlikely(r != 0))
+               dev_warn(adev->dev, "(%d) reserve kiq eop bo failed\n", r);
        amdgpu_bo_kunmap(kiq->eop_obj);
+       amdgpu_bo_unreserve(kiq->eop_obj);
 
        return 0;
 }