From 2a4f069d0f25e3c3beab98a6eca27f07aa85e135 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Almeida?= Date: Tue, 17 Jun 2025 09:49:44 -0300 Subject: drm: amdgpu: Allow NULL pointers at amdgpu_vm_put_task_info() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow NULL pointers at amdgpu_vm_put_task_info() as it common practice for "put" or "free" functions. This avoid an extra check for NULL for callers. Reviewed-by: Christian König Link: https://lore.kernel.org/r/20250617124949.2151549-2-andrealmeid@igalia.com Signed-off-by: André Almeida --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 3911c78f8282..de914a39e3f6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2447,7 +2447,8 @@ amdgpu_vm_get_vm_from_pasid(struct amdgpu_device *adev, u32 pasid) */ void amdgpu_vm_put_task_info(struct amdgpu_task_info *task_info) { - kref_put(&task_info->refcount, amdgpu_vm_destroy_task_info); + if (task_info) + kref_put(&task_info->refcount, amdgpu_vm_destroy_task_info); } /** -- cgit v1.2.3 From 3bfd1af74a7fc239ab05bc780e2f455c37fe6219 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Almeida?= Date: Tue, 17 Jun 2025 09:49:45 -0300 Subject: drm: amdgpu: Create amdgpu_vm_print_task_info() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To avoid repetitive code in amdgpu, create a function that prints the content of struct amdgpu_task_info. Reviewed-by: Christian König Link: https://lore.kernel.org/r/20250617124949.2151549-3-andrealmeid@igalia.com Signed-off-by: André Almeida --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index de914a39e3f6..3bf63eee2d4e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3157,3 +3157,12 @@ bool amdgpu_vm_is_bo_always_valid(struct amdgpu_vm *vm, struct amdgpu_bo *bo) { return bo && bo->tbo.base.resv == vm->root.bo->tbo.base.resv; } + +void amdgpu_vm_print_task_info(struct amdgpu_device *adev, + struct amdgpu_task_info *task_info) +{ + dev_err(adev->dev, + " Process %s pid %d thread %s pid %d\n", + task_info->process_name, task_info->tgid, + task_info->task_name, task_info->pid); +} -- cgit v1.2.3 From 35dc4ce200623fec8f8eda256cd8abb5befbfae2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Almeida?= Date: Tue, 17 Jun 2025 09:49:48 -0300 Subject: drm: amdgpu: Use struct drm_wedge_task_info inside of struct amdgpu_task_info MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To avoid a cast when calling drm_dev_wedged_event(), replace pid and task name inside of struct amdgpu_task_info with struct drm_wedge_task_info. Reviewed-by: Christian König Link: https://lore.kernel.org/r/20250617124949.2151549-6-andrealmeid@igalia.com Signed-off-by: André Almeida --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 3bf63eee2d4e..0ff95a56c2ce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -622,7 +622,7 @@ int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm, pr_warn_ratelimited("Evicted user BO is not reserved\n"); if (ti) { - pr_warn_ratelimited("pid %d\n", ti->pid); + pr_warn_ratelimited("pid %d\n", ti->task.pid); amdgpu_vm_put_task_info(ti); } @@ -2508,11 +2508,11 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm) if (!vm->task_info) return; - if (vm->task_info->pid == current->pid) + if (vm->task_info->task.pid == current->pid) return; - vm->task_info->pid = current->pid; - get_task_comm(vm->task_info->task_name, current); + vm->task_info->task.pid = current->pid; + get_task_comm(vm->task_info->task.comm, current); if (current->group_leader->mm != current->mm) return; @@ -2775,7 +2775,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) dev_warn(adev->dev, "VM memory stats for proc %s(%d) task %s(%d) is non-zero when fini\n", - ti->process_name, ti->pid, ti->task_name, ti->tgid); + ti->process_name, ti->task.pid, ti->task.comm, ti->tgid); } amdgpu_vm_put_task_info(vm->task_info); @@ -3164,5 +3164,5 @@ void amdgpu_vm_print_task_info(struct amdgpu_device *adev, dev_err(adev->dev, " Process %s pid %d thread %s pid %d\n", task_info->process_name, task_info->tgid, - task_info->task_name, task_info->pid); + task_info->task.comm, task_info->task.pid); } -- cgit v1.2.3 From a3e510fd69c315a6b55f7a982caadee4e3ba6301 Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Tue, 24 Jun 2025 11:20:56 +0530 Subject: drm/amdgpu: Convert from DRM_* to dev_* Convert from generic DRM_* to dev_* calls to have device context info. Signed-off-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 3911c78f8282..20ad57f7815d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2395,10 +2395,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, else adev->vm_manager.fragment_size = amdgpu_vm_fragment_size; - DRM_INFO("vm size is %u GB, %u levels, block size is %u-bit, fragment size is %u-bit\n", - vm_size, adev->vm_manager.num_level + 1, - adev->vm_manager.block_size, - adev->vm_manager.fragment_size); + dev_info( + adev->dev, + "vm size is %u GB, %u levels, block size is %u-bit, fragment size is %u-bit\n", + vm_size, adev->vm_manager.num_level + 1, + adev->vm_manager.block_size, adev->vm_manager.fragment_size); } /** @@ -2564,8 +2565,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & AMDGPU_VM_USE_CPU_FOR_GFX); - DRM_DEBUG_DRIVER("VM update mode is %s\n", - vm->use_cpu_for_update ? "CPU" : "SDMA"); + dev_dbg(adev->dev, "VM update mode is %s\n", + vm->use_cpu_for_update ? "CPU" : "SDMA"); WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), "CPU update of VM recommended only for large BAR system\n"); @@ -2607,7 +2608,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, r = amdgpu_vm_create_task_info(vm); if (r) - DRM_DEBUG("Failed to create task info for VM\n"); + dev_dbg(adev->dev, "Failed to create task info for VM\n"); amdgpu_bo_unreserve(vm->root.bo); amdgpu_bo_unref(&root_bo); @@ -2658,8 +2659,8 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) /* Update VM state */ vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & AMDGPU_VM_USE_CPU_FOR_COMPUTE); - DRM_DEBUG_DRIVER("VM update mode is %s\n", - vm->use_cpu_for_update ? "CPU" : "SDMA"); + dev_dbg(adev->dev, "VM update mode is %s\n", + vm->use_cpu_for_update ? "CPU" : "SDMA"); WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), "CPU update of VM recommended only for large BAR system\n"); @@ -2982,7 +2983,7 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, u32 pasid, error_unlock: amdgpu_bo_unreserve(root); if (r < 0) - DRM_ERROR("Can't handle page fault (%d)\n", r); + dev_err(adev->dev, "Can't handle page fault (%d)\n", r); error_unref: amdgpu_bo_unref(&root); -- cgit v1.2.3 From 4948e6c7fb2a88bbf961e60009f896aaa07fe57f Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Wed, 25 Jun 2025 10:42:17 +0200 Subject: drm/amdgpu: Test for imported buffers with drm_gem_is_imported() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Instead of testing import_attach for imported GEM buffers, invoke drm_gem_is_imported() to do the test. v2: - keep amdgpu_bo_print_info() as-is (Christian) Reviewed-by: Christian König Signed-off-by: Thomas Zimmermann Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 20ad57f7815d..51022c9f9b23 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1271,7 +1271,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, } else { struct drm_gem_object *obj = &bo->tbo.base; - if (obj->import_attach && bo_va->is_xgmi) { + if (drm_gem_is_imported(obj) && bo_va->is_xgmi) { struct dma_buf *dma_buf = obj->import_attach->dmabuf; struct drm_gem_object *gobj = dma_buf->priv; struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj); @@ -1631,7 +1631,7 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev, * validation */ if (vm->is_compute_context && - bo_va->base.bo->tbo.base.import_attach && + drm_gem_is_imported(&bo_va->base.bo->tbo.base) && (!bo_va->base.bo->tbo.resource || bo_va->base.bo->tbo.resource->mem_type == TTM_PL_SYSTEM)) amdgpu_vm_bo_evicted_user(&bo_va->base); -- cgit v1.2.3 From 515986100d176663d0a03219a3056e4252f729e6 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Wed, 25 Jun 2025 10:42:18 +0200 Subject: drm/amdgpu: Use dma_buf from GEM object instance MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Avoid dereferencing struct drm_gem_object.import_attach for the imported dma-buf. The dma_buf field in the GEM object instance refers to the same buffer. Prepares to make import_attach an implementation detail of PRIME. Reviewed-by: Christian König Signed-off-by: Thomas Zimmermann Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 51022c9f9b23..f042372d9f2e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1272,7 +1272,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, struct drm_gem_object *obj = &bo->tbo.base; if (drm_gem_is_imported(obj) && bo_va->is_xgmi) { - struct dma_buf *dma_buf = obj->import_attach->dmabuf; + struct dma_buf *dma_buf = obj->dma_buf; struct drm_gem_object *gobj = dma_buf->priv; struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj); -- cgit v1.2.3 From 77cc0da39c7ce203cd3ce6bc5696421947a979d7 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 27 May 2025 21:35:00 -0400 Subject: drm/amdgpu: track ring state associated with a fence MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We need to know the wptr and sequence number associated with a fence so that we can re-emit the unprocessed state after a ring reset. Pre-allocate storage space for the ring buffer contents and add helpers to save off and re-emit the unprocessed state so that it can be re-emitted after the queue is reset. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index af0f655dfd5b..d5c0637d7392 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -765,6 +765,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool cleaner_shader_needed = false; bool pasid_mapping_needed = false; struct dma_fence *fence = NULL; + struct amdgpu_fence *af; unsigned int patch; int r; @@ -830,6 +831,9 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, r = amdgpu_fence_emit(ring, &fence, NULL, 0); if (r) return r; + /* this is part of the job's context */ + af = container_of(fence, struct amdgpu_fence, base); + af->context = job->base.s_fence ? job->base.s_fence->finished.context : 0; } if (vm_flush_needed) { -- cgit v1.2.3