drm/amd/amdgpu: compute ring test fail during S4 on CI

unhalt Instrction Fetch Unit after all rings are inited.

Signed-off-by: JimQu <Jim.Qu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index d869d05..425413f 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2755,8 +2755,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev)
        u64 wb_gpu_addr;
        u32 *buf;
        struct bonaire_mqd *mqd;
-
-       gfx_v7_0_cp_compute_enable(adev, true);
+       struct amdgpu_ring *ring;
 
        /* fix up chicken bits */
        tmp = RREG32(mmCP_CPF_DEBUG);
@@ -2791,7 +2790,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev)
 
        /* init the queues.  Just two for now. */
        for (i = 0; i < adev->gfx.num_compute_rings; i++) {
-               struct amdgpu_ring *ring = &adev->gfx.compute_ring[i];
+               ring = &adev->gfx.compute_ring[i];
 
                if (ring->mqd_obj == NULL) {
                        r = amdgpu_bo_create(adev,
@@ -2970,6 +2969,13 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev)
                amdgpu_bo_unreserve(ring->mqd_obj);
 
                ring->ready = true;
+       }
+
+       gfx_v7_0_cp_compute_enable(adev, true);
+
+       for (i = 0; i < adev->gfx.num_compute_rings; i++) {
+               ring = &adev->gfx.compute_ring[i];
+
                r = amdgpu_ring_test_ring(ring);
                if (r)
                        ring->ready = false;