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drm/amdgpu/gfx10: fix resume failure when enabling async gfx ring

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'adev->in_suspend' code path is missing in gfx_v10_0_gfx_init_queue()

Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojie Yuan 2019-04-01 21:44:21 +08:00 committed by Alex Deucher
parent 36f87f0acd
commit 4b6349d4d8
1 changed files with 14 additions and 12 deletions
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26
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
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@ -2880,7 +2880,19 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring)
struct amdgpu_device *adev = ring->adev;
struct v10_gfx_mqd *mqd = ring->mqd_ptr;
if (adev->in_gpu_reset) {
if (!adev->in_gpu_reset && !adev->in_suspend) {
memset((void *)mqd, 0, sizeof(*mqd));
mutex_lock(&adev->srbm_mutex);
nv_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
gfx_v10_0_gfx_mqd_init(ring);
#ifdef BRING_UP_DEBUG
gfx_v10_0_gfx_queue_init_register(ring);
#endif
nv_grbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
if (adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS])
memcpy(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS], mqd, sizeof(*mqd));
} else if (adev->in_gpu_reset) {
/* reset mqd with the backup copy */
if (adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS])
memcpy(mqd, adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS], sizeof(*mqd));
@ -2895,17 +2907,7 @@ static int gfx_v10_0_gfx_init_queue(struct amdgpu_ring *ring)
mutex_unlock(&adev->srbm_mutex);
#endif
} else {
memset((void *)mqd, 0, sizeof(*mqd));
mutex_lock(&adev->srbm_mutex);
nv_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
gfx_v10_0_gfx_mqd_init(ring);
#ifdef BRING_UP_DEBUG
gfx_v10_0_gfx_queue_init_register(ring);
#endif
nv_grbm_select(adev, 0, 0, 0, 0);
mutex_unlock(&adev->srbm_mutex);
if (adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS])
memcpy(adev->gfx.me.mqd_backup[AMDGPU_MAX_GFX_RINGS], mqd, sizeof(*mqd));
amdgpu_ring_clear_ring(ring);
}
return 0;