From 9618199a2ee96e368d910f353b66e7e47dfe1762 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Fri, 26 Jan 2018 16:57:25 +0800 Subject: [PATCH 3619/4131] drm/amdgpu: cleanup SA inti and fini(v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit should use bo_create_kernel instead of split to two function that create and pin the SA bo issue: before this patch, there are DMAR read error in host side when running SRIOV test, the DMAR address dropped in the range of SA bo. fix: after this cleanups of SA init and fini, above DMAR eror gone. v2: keep sa_bo's fini instead of suspend, to keep reporting error Change-Id: I3f299a3342bd7263776bff69e4b31b0d3816749a Signed-off-by: Monk Liu Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 6 --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 - drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c | 62 ++++++------------------------ 3 files changed, 11 insertions(+), 59 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index e683e3a..29c8015 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -286,11 +286,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev) return r; } - r = amdgpu_sa_bo_manager_start(adev, &adev->ring_tmp_bo); - if (r) { - return r; - } - adev->ib_pool_ready = true; if (amdgpu_debugfs_sa_init(adev)) { dev_err(adev->dev, "failed to register debugfs file for SA\n"); @@ -309,7 +304,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev) void amdgpu_ib_pool_fini(struct amdgpu_device *adev) { if (adev->ib_pool_ready) { - amdgpu_sa_bo_manager_suspend(adev, &adev->ring_tmp_bo); amdgpu_sa_bo_manager_fini(adev, &adev->ring_tmp_bo); adev->ib_pool_ready = false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index f1f031e..818b31b 100755 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -294,8 +294,6 @@ void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, struct amdgpu_sa_manager *sa_manager); -int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager); int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager, struct amdgpu_sa_bo **sa_bo, unsigned size, unsigned align); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c index 5ca75a4..fb1667b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c @@ -63,21 +63,27 @@ int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev, for (i = 0; i < AMDGPU_SA_NUM_FENCE_LISTS; ++i) INIT_LIST_HEAD(&sa_manager->flist[i]); - r = amdgpu_bo_create(adev, size, align, true, domain, - 0, NULL, NULL, &sa_manager->bo); + r = amdgpu_bo_create_kernel(adev, size, align, domain, &sa_manager->bo, + &sa_manager->gpu_addr, &sa_manager->cpu_ptr); if (r) { dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r); return r; } + memset(sa_manager->cpu_ptr, 0, sa_manager->size); return r; } void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager) + struct amdgpu_sa_manager *sa_manager) { struct amdgpu_sa_bo *sa_bo, *tmp; + if (sa_manager->bo == NULL) { + dev_err(adev->dev, "no bo for sa manager\n"); + return; + } + if (!list_empty(&sa_manager->olist)) { sa_manager->hole = &sa_manager->olist, amdgpu_sa_bo_try_free(sa_manager); @@ -88,55 +94,9 @@ void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev, list_for_each_entry_safe(sa_bo, tmp, &sa_manager->olist, olist) { amdgpu_sa_bo_remove_locked(sa_bo); } - amdgpu_bo_unref(&sa_manager->bo); - sa_manager->size = 0; -} - -int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager) -{ - int r; - - if (sa_manager->bo == NULL) { - dev_err(adev->dev, "no bo for sa manager\n"); - return -EINVAL; - } - /* map the buffer */ - r = amdgpu_bo_reserve(sa_manager->bo, false); - if (r) { - dev_err(adev->dev, "(%d) failed to reserve manager bo\n", r); - return r; - } - r = amdgpu_bo_pin(sa_manager->bo, sa_manager->domain, &sa_manager->gpu_addr); - if (r) { - amdgpu_bo_unreserve(sa_manager->bo); - dev_err(adev->dev, "(%d) failed to pin manager bo\n", r); - return r; - } - r = amdgpu_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr); - memset(sa_manager->cpu_ptr, 0, sa_manager->size); - amdgpu_bo_unreserve(sa_manager->bo); - return r; -} - -int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev, - struct amdgpu_sa_manager *sa_manager) -{ - int r; - - if (sa_manager->bo == NULL) { - dev_err(adev->dev, "no bo for sa manager\n"); - return -EINVAL; - } - - r = amdgpu_bo_reserve(sa_manager->bo, true); - if (!r) { - amdgpu_bo_kunmap(sa_manager->bo); - amdgpu_bo_unpin(sa_manager->bo); - amdgpu_bo_unreserve(sa_manager->bo); - } - return r; + amdgpu_bo_free_kernel(&sa_manager->bo, &sa_manager->gpu_addr, &sa_manager->cpu_ptr); + sa_manager->size = 0; } static void amdgpu_sa_bo_remove_locked(struct amdgpu_sa_bo *sa_bo) -- 2.7.4