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author | 2020-09-01 14:19:48 +0200 | |
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committer | 2020-09-01 14:19:48 +0200 | |
commit | ead5d1f4d877e92c051e1a1ade623d0d30e71619 (patch) | |
tree | cb9db5698a546e7b96f7d5bef5ce544629dd37a2 /drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | |
parent | scif: Fix spelling of EACCES (diff) | |
parent | Merge tag 'docs-5.9-3' of git://git.lwn.net/linux (diff) | |
download | wireguard-linux-ead5d1f4d877e92c051e1a1ade623d0d30e71619.tar.xz wireguard-linux-ead5d1f4d877e92c051e1a1ade623d0d30e71619.zip |
Merge branch 'master' into for-next
Sync with Linus' branch in order to be able to apply fixups
of more recent patches.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 3c01252b1e0e..58d4c219178a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -192,14 +192,22 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f, * Used For polling fence. * Returns 0 on success, -ENOMEM on failure. */ -int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s) +int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s, + uint32_t timeout) { uint32_t seq; + signed long r; if (!s) return -EINVAL; seq = ++ring->fence_drv.sync_seq; + r = amdgpu_fence_wait_polling(ring, + seq - ring->fence_drv.num_fences_mask, + timeout); + if (r < 1) + return -ETIMEDOUT; + amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr, seq, 0); @@ -408,15 +416,16 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, ring->fence_drv.gpu_addr = adev->uvd.inst[ring->me].gpu_addr + index; } amdgpu_fence_write(ring, atomic_read(&ring->fence_drv.last_seq)); - amdgpu_irq_get(adev, irq_src, irq_type); + + if (irq_src) + amdgpu_irq_get(adev, irq_src, irq_type); ring->fence_drv.irq_src = irq_src; ring->fence_drv.irq_type = irq_type; ring->fence_drv.initialized = true; - DRM_DEV_DEBUG(adev->dev, "fence driver on ring %s use gpu addr " - "0x%016llx, cpu addr 0x%p\n", ring->name, - ring->fence_drv.gpu_addr, ring->fence_drv.cpu_addr); + DRM_DEV_DEBUG(adev->dev, "fence driver on ring %s use gpu addr 0x%016llx\n", + ring->name, ring->fence_drv.gpu_addr); return 0; } @@ -440,8 +449,7 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, if (!adev) return -EINVAL; - /* Check that num_hw_submission is a power of two */ - if ((num_hw_submission & (num_hw_submission - 1)) != 0) + if (!is_power_of_2(num_hw_submission)) return -EINVAL; ring->fence_drv.cpu_addr = NULL; @@ -459,8 +467,8 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, if (!ring->fence_drv.fences) return -ENOMEM; - /* No need to setup the GPU scheduler for KIQ ring */ - if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) { + /* No need to setup the GPU scheduler for rings that don't need it */ + if (!ring->no_scheduler) { switch (ring->funcs->type) { case AMDGPU_RING_TYPE_GFX: timeout = adev->gfx_timeout; @@ -503,9 +511,6 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, */ int amdgpu_fence_driver_init(struct amdgpu_device *adev) { - if (amdgpu_debugfs_fence_init(adev)) - dev_err(adev->dev, "fence debugfs file creation failed\n"); - return 0; } @@ -532,9 +537,11 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev) /* no need to trigger GPU reset as we are unloading */ amdgpu_fence_driver_force_completion(ring); } - amdgpu_irq_put(adev, ring->fence_drv.irq_src, - ring->fence_drv.irq_type); - drm_sched_fini(&ring->sched); + if (ring->fence_drv.irq_src) + amdgpu_irq_put(adev, ring->fence_drv.irq_src, + ring->fence_drv.irq_type); + if (!ring->no_scheduler) + drm_sched_fini(&ring->sched); del_timer_sync(&ring->fence_drv.fallback_timer); for (j = 0; j <= ring->fence_drv.num_fences_mask; ++j) dma_fence_put(ring->fence_drv.fences[j]); @@ -569,8 +576,9 @@ void amdgpu_fence_driver_suspend(struct amdgpu_device *adev) } /* disable the interrupt */ - amdgpu_irq_put(adev, ring->fence_drv.irq_src, - ring->fence_drv.irq_type); + if (ring->fence_drv.irq_src) + amdgpu_irq_put(adev, ring->fence_drv.irq_src, + ring->fence_drv.irq_type); } } @@ -596,8 +604,9 @@ void amdgpu_fence_driver_resume(struct amdgpu_device *adev) continue; /* enable the interrupt */ - amdgpu_irq_get(adev, ring->fence_drv.irq_src, - ring->fence_drv.irq_type); + if (ring->fence_drv.irq_src) + amdgpu_irq_get(adev, ring->fence_drv.irq_src, + ring->fence_drv.irq_type); } } @@ -744,8 +753,10 @@ static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data) int r; r = pm_runtime_get_sync(dev->dev); - if (r < 0) + if (r < 0) { + pm_runtime_put_autosuspend(dev->dev); return 0; + } seq_printf(m, "gpu recover\n"); amdgpu_device_gpu_recover(adev, NULL); @@ -770,8 +781,10 @@ int amdgpu_debugfs_fence_init(struct amdgpu_device *adev) { #if defined(CONFIG_DEBUG_FS) if (amdgpu_sriov_vf(adev)) - return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list_sriov, 1); - return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list, 2); + return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list_sriov, + ARRAY_SIZE(amdgpu_debugfs_fence_list_sriov)); + return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_fence_list, + ARRAY_SIZE(amdgpu_debugfs_fence_list)); #else return 0; #endif |