Commit 4b6349d4 authored by Xiaojie Yuan's avatar Xiaojie Yuan Committed by Alex Deucher

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

'adev->in_suspend' code path is missing in gfx_v10_0_gfx_init_queue()
Signed-off-by: default avatarXiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 36f87f0a
......@@ -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;
......
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