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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4255-drm-amdkfd-CMA-Store-mem_type-in-KFD-BO.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4255-drm-amdkfd-CMA-Store-mem_type-in-KFD-BO.patch127
1 files changed, 127 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4255-drm-amdkfd-CMA-Store-mem_type-in-KFD-BO.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4255-drm-amdkfd-CMA-Store-mem_type-in-KFD-BO.patch
new file mode 100644
index 00000000..5af75f67
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4255-drm-amdkfd-CMA-Store-mem_type-in-KFD-BO.patch
@@ -0,0 +1,127 @@
+From f8525598b2b0c327686910133fcc7c3df5e4c154 Mon Sep 17 00:00:00 2001
+From: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+Date: Mon, 9 Apr 2018 16:03:21 -0400
+Subject: [PATCH 4255/5725] drm/amdkfd: CMA: Store mem_type in KFD BO
+
+It is needed for supporting CMA when the BOs belong to different
+devices.
+
+Change-Id: I9acc5595e574141d8955e36ff0a98e5bac9b6fc1
+Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
+---
+ drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 7 ++++++-
+ drivers/gpu/drm/amd/amdkfd/kfd_ipc.c | 2 +-
+ drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 ++
+ drivers/gpu/drm/amd/amdkfd/kfd_process.c | 10 +++++++++-
+ 4 files changed, 18 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+index a216225..0972243 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+@@ -1246,6 +1246,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
+ uint32_t flags = args->flags;
+ struct vm_area_struct *vma;
+ uint64_t cpuva = 0;
++ unsigned int mem_type = 0;
+
+ if (args->size == 0)
+ return -EINVAL;
+@@ -1305,8 +1306,12 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
+ if (err)
+ goto err_unlock;
+
++ mem_type = flags & (KFD_IOC_ALLOC_MEM_FLAGS_VRAM |
++ KFD_IOC_ALLOC_MEM_FLAGS_GTT |
++ KFD_IOC_ALLOC_MEM_FLAGS_USERPTR |
++ KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL);
+ idr_handle = kfd_process_device_create_obj_handle(pdd, mem,
+- args->va_addr, args->size, cpuva, NULL);
++ args->va_addr, args->size, cpuva, mem_type, NULL);
+ if (idr_handle < 0) {
+ err = -EFAULT;
+ goto err_free;
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
+index 845dbf7..a53d954 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_ipc.c
+@@ -140,7 +140,7 @@ static int kfd_import_dmabuf_create_kfd_bo(struct kfd_dev *dev,
+ goto err_unlock;
+
+ idr_handle = kfd_process_device_create_obj_handle(pdd, mem,
+- va_addr, size, 0,
++ va_addr, size, 0, 0,
+ ipc_obj);
+ if (idr_handle < 0) {
+ r = -EFAULT;
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+index cbb65b0..3f77bab 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+@@ -303,6 +303,7 @@ struct kfd_bo {
+ struct kfd_ipc_obj *kfd_ipc_obj;
+ /* page-aligned VA address */
+ uint64_t cpuva;
++ unsigned int mem_type;
+ };
+
+ struct cma_system_bo {
+@@ -819,6 +820,7 @@ int kfd_reserved_mem_mmap(struct kfd_process *process,
+ int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
+ void *mem, uint64_t start,
+ uint64_t length, uint64_t cpuva,
++ unsigned int mem_type,
+ struct kfd_ipc_obj *ipc_obj);
+ void *kfd_process_device_translate_handle(struct kfd_process_device *p,
+ int handle);
+diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+index ef71670..3650183 100644
+--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
++++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+@@ -118,6 +118,7 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd,
+ struct kgd_mem *mem = NULL;
+ int handle;
+ int err;
++ unsigned int mem_type;
+
+ err = kdev->kfd2kgd->alloc_memory_of_gpu(kdev->kgd, gpu_va, size,
+ pdd->vm, NULL, &mem, NULL,
+@@ -135,13 +136,18 @@ static int kfd_process_alloc_gpuvm(struct kfd_process_device *pdd,
+ goto sync_memory_failed;
+ }
+
++ mem_type = flags & (KFD_IOC_ALLOC_MEM_FLAGS_VRAM |
++ KFD_IOC_ALLOC_MEM_FLAGS_GTT |
++ KFD_IOC_ALLOC_MEM_FLAGS_USERPTR |
++ KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL);
++
+ /* Create an obj handle so kfd_process_device_remove_obj_handle
+ * will take care of the bo removal when the process finishes.
+ * We do not need to take p->mutex, because the process is just
+ * created and the ioctls have not had the chance to run.
+ */
+ handle = kfd_process_device_create_obj_handle(
+- pdd, mem, gpu_va, size, 0, NULL);
++ pdd, mem, gpu_va, size, 0, mem_type, NULL);
+
+ if (handle < 0) {
+ err = handle;
+@@ -808,6 +814,7 @@ bool kfd_has_process_device_data(struct kfd_process *p)
+ int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
+ void *mem, uint64_t start,
+ uint64_t length, uint64_t cpuva,
++ unsigned int mem_type,
+ struct kfd_ipc_obj *ipc_obj)
+ {
+ int handle;
+@@ -829,6 +836,7 @@ int kfd_process_device_create_obj_handle(struct kfd_process_device *pdd,
+ buf_obj->dev = pdd->dev;
+ buf_obj->kfd_ipc_obj = ipc_obj;
+ buf_obj->cpuva = cpuva;
++ buf_obj->mem_type = mem_type;
+
+ INIT_LIST_HEAD(&buf_obj->cb_data_head);
+
+--
+2.7.4
+