From 194eb174cbe4fe2b3376ac30acca2dc8c8beca00 Mon Sep 17 00:00:00 2001 From: Victor Zhao Date: Fri, 24 Jun 2022 12:00:06 +0800 Subject: [PATCH] drm/amdgpu: reduce reset time In multi container use case, reset time is important, so skip ring tests and cp halt wait during ip suspending for reset as they are going to fail and cost more time on reset v2: add a hang flag to indicate the reset comes from a job timeout, skip ring test and cp halt wait in this case v3: move hang flag to adev Signed-off-by: Victor Zhao Acked-by: Andrey Grodzovsky Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 2 ++ drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 +++++++-- 4 files changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 66a26f2..79bb6fd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1065,6 +1065,7 @@ struct amdgpu_device { struct work_struct reset_work; uint32_t amdgpu_reset_level_mask; + bool job_hang; }; static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 222d3d7..454a78b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -477,7 +477,7 @@ int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev) kiq->pmf->kiq_unmap_queues(kiq_ring, &adev->gfx.compute_ring[i], RESET_QUEUES, 0, 0); - if (adev->gfx.kiq.ring.sched.ready) + if (adev->gfx.kiq.ring.sched.ready && !adev->job_hang) r = amdgpu_ring_test_helper(kiq_ring); spin_unlock(&adev->gfx.kiq.ring_lock); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c index 36f49da..8f51adf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c @@ -49,6 +49,7 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job) } memset(&ti, 0, sizeof(struct amdgpu_task_info)); + adev->job_hang = true; if (amdgpu_gpu_recovery && amdgpu_ring_soft_recovery(ring, job->vmid, s_job->s_fence->parent)) { @@ -83,6 +84,7 @@ 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 a2a4dc1..1a915ed 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -5971,6 +5971,9 @@ static int gfx_v10_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable) WREG32_SOC15(GC, 0, mmCP_ME_CNTL, tmp); } + if (adev->job_hang && !enable) + return 0; + for (i = 0; i < adev->usec_timeout; i++) { if (RREG32_SOC15(GC, 0, mmCP_STAT) == 0) break; @@ -7569,8 +7572,10 @@ static int gfx_v10_0_kiq_disable_kgq(struct amdgpu_device *adev) for (i = 0; i < adev->gfx.num_gfx_rings; i++) kiq->pmf->kiq_unmap_queues(kiq_ring, &adev->gfx.gfx_ring[i], PREEMPT_QUEUES, 0, 0); - - return amdgpu_ring_test_helper(kiq_ring); + if (!adev->job_hang) + return amdgpu_ring_test_helper(kiq_ring); + else + return 0; } #endif -- 2.7.4