From 94561899ddb0f89d7fd3fb58ee3ed6961ef048ad Mon Sep 17 00:00:00 2001 From: Dennis Li Date: Tue, 4 Aug 2020 12:32:13 +0800 Subject: [PATCH] drm/amdgpu: unlock mutex on error Make sure to unlock the mutex when error happen v2: 1. correct syntax error in the commit comments 2. remove change-Id Acked-by: Nirmoy Das Reviewed-by: Luben Tuikov Signed-off-by: Dennis Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 5 +++-- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 6 +++--- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index 92790db..9738dcc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -632,13 +632,14 @@ int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine, } ret = amdgpu_ib_schedule(ring, 1, ib, job, &f); + + up_read(&adev->reset_sem); + if (ret) { DRM_ERROR("amdgpu: failed to schedule IB.\n"); goto err_ib_sched; } - up_read(&adev->reset_sem); - ret = dma_fence_wait(f, false); err_ib_sched: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 4e017f37..67a756f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -545,7 +545,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) } ret = amdgpu_xgmi_update_topology(hive, tmp_adev); if (ret) - goto exit; + goto exit_unlock; } /* get latest topology info for each device from psp */ @@ -558,7 +558,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) tmp_adev->gmc.xgmi.node_id, tmp_adev->gmc.xgmi.hive_id, ret); /* To do : continue with some node failed or disable the whole hive */ - goto exit; + goto exit_unlock; } } } @@ -566,7 +566,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if (!ret) ret = amdgpu_xgmi_sysfs_add_dev_info(adev, hive); - +exit_unlock: mutex_unlock(&hive->hive_lock); exit: if (!ret) -- 2.7.4