4.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: jimqu <Jim.Qu@xxxxxxx>
commit 53960b4f89db58bc155d6f8aa0a44ccc59ccb26f upstream.
unhalt Instrction Fetch Unit after all rings are inited.
Signed-off-by: JimQu <Jim.Qu@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2777,8 +2777,7 @@ static int gfx_v7_0_cp_compute_resume(st
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);
@@ -2813,7 +2812,7 @@ static int gfx_v7_0_cp_compute_resume(st
/* 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,
@@ -2992,6 +2991,13 @@ static int gfx_v7_0_cp_compute_resume(st
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;
--
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