This partially reverts commit 194eb174cbe4fe2b3376ac30acca2dc8c8beca00. This commit introduced a new state variable into adev without even remotely worrying about CPU barriers. Since we already have the amdgpu_in_reset() function exactly for this use case partially revert that. Signed-off-by: Christian König <christian.koenig@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 3 --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +- 5 files changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7051b697530b..5e55a44f9eef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1192,7 +1192,6 @@ struct amdgpu_device { struct work_struct reset_work; - bool job_hang; bool dc_enabled; /* Mask of active clusters */ uint32_t aid_mask; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 503051352922..dca5a4ef2734 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -836,7 +836,7 @@ int amdgpu_amdkfd_unmap_hiq(struct amdgpu_device *adev, u32 doorbell_off, if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) return -EINVAL; - if (!kiq_ring->sched.ready || adev->job_hang) + if (!kiq_ring->sched.ready || amdgpu_in_reset(adev)) return 0; ring_funcs = kzalloc(sizeof(*ring_funcs), GFP_KERNEL); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index a4dde54512b1..2e6829e1554b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -515,7 +515,7 @@ int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev, int xcc_id) if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) return -EINVAL; - if (!kiq_ring->sched.ready || adev->job_hang || amdgpu_in_reset(adev)) + if (!kiq_ring->sched.ready || amdgpu_in_reset(adev)) return 0; spin_lock(&kiq->ring_lock); @@ -567,7 +567,7 @@ int amdgpu_gfx_disable_kgq(struct amdgpu_device *adev, int xcc_id) if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues) return -EINVAL; - if (!adev->gfx.kiq[0].ring.sched.ready || adev->job_hang) + if (!adev->gfx.kiq[0].ring.sched.ready || amdgpu_in_reset(adev)) return 0; if (amdgpu_gfx_is_master_xcc(adev, xcc_id)) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 7fdf7b047317..6cc44eb2586f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -102,8 +102,6 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job) return DRM_GPU_SCHED_STAT_ENODEV; } - adev->job_hang = true; - /* * Do the coredump immediately after a job timeout to get a very * close dump/snapshot/representation of GPU's current error status @@ -181,7 +179,6 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job) } exit: - adev->job_hang = false; drm_dev_exit(idx); return DRM_GPU_SCHED_STAT_NOMINAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index c4e15418e187..714a6caeb679 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -5957,7 +5957,7 @@ static int gfx_v10_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable) else WREG32_SOC15(GC, 0, mmCP_ME_CNTL, tmp); - if (adev->job_hang && !enable) + if (amdgpu_in_reset(adev) && !enable) return 0; for (i = 0; i < adev->usec_timeout; i++) { -- 2.34.1