From 01e2711f46622227b7c9c658cd5f383b3469aa94 Mon Sep 17 00:00:00 2001 From: Marek Olsak Date: Tue, 12 Sep 2017 16:49:54 +0200 Subject: [PATCH 1969/4131] drm/amdgpu: add FENCE_TO_HANDLE ioctl that returns syncobj or sync_file MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit for being able to convert an amdgpu fence into one of the handles. Mesa will use this. Signed-off-by: Marek Olšák Reviewed-by: Dave Airlie Conflicts: include/uapi/drm/amdgpu_drm.h Change-Id: Icad647d766c48e04338a12982be1a147392170b6 --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++ drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 61 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 ++- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 1 + 4 files changed, 67 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7758192..45087d7 100755 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1341,6 +1341,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); +int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data, + struct drm_file *filp); int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 8d0ad30..9404e65 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -25,6 +25,7 @@ * Jerome Glisse */ #include +#include #include #include #include @@ -1379,6 +1380,66 @@ static struct dma_fence *amdgpu_cs_get_fence(struct amdgpu_device *adev, return fence; } +int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data, + struct drm_file *filp) +{ + struct amdgpu_device *adev = dev->dev_private; + struct amdgpu_fpriv *fpriv = filp->driver_priv; + union drm_amdgpu_fence_to_handle *info = data; + struct dma_fence *fence; + struct drm_syncobj *syncobj; + struct sync_file *sync_file; + int fd, r; + + if (amdgpu_kms_vram_lost(adev, fpriv)) + return -ENODEV; + + fence = amdgpu_cs_get_fence(adev, filp, &info->in.fence); + if (IS_ERR(fence)) + return PTR_ERR(fence); + + switch (info->in.what) { + case AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ: + r = drm_syncobj_create(&syncobj, 0, fence); + dma_fence_put(fence); + if (r) + return r; + r = drm_syncobj_get_handle(filp, syncobj, &info->out.handle); + drm_syncobj_put(syncobj); + return r; + + case AMDGPU_FENCE_TO_HANDLE_GET_SYNCOBJ_FD: + r = drm_syncobj_create(&syncobj, 0, fence); + dma_fence_put(fence); + if (r) + return r; + r = drm_syncobj_get_fd(syncobj, (int*)&info->out.handle); + drm_syncobj_put(syncobj); + return r; + + case AMDGPU_FENCE_TO_HANDLE_GET_SYNC_FILE_FD: + fd = get_unused_fd_flags(O_CLOEXEC); + if (fd < 0) { + dma_fence_put(fence); + return fd; + } + + sync_file = sync_file_create(fence); + dma_fence_put(fence); + if (!sync_file) { + put_unused_fd(fd); + return -ENOMEM; + } + + fd_install(fd, sync_file->file); + info->out.handle = fd; + return 0; + + default: + return -EINVAL; + } +} + /** * amdgpu_cs_wait_all_fence - wait on all fences to signal * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index ddc6278..6b21b1b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -69,9 +69,11 @@ * - 3.17.0 - Add AMDGPU_NUM_VRAM_CPU_PAGE_FAULTS. * - 3.18.0 - Export gpu always on cu bitmap * - 3.19.0 - Add support for UVD MJPEG decode + * - 3.20.0 - Add support for local BOs + * - 3.21.0 - Add DRM_AMDGPU_FENCE_TO_HANDLE ioctl */ #define KMS_DRIVER_MAJOR 3 -#define KMS_DRIVER_MINOR 20 +#define KMS_DRIVER_MINOR 21 #define KMS_DRIVER_PATCHLEVEL 0 int amdgpu_vram_limit = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index dd9b245..298cbb2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -1141,6 +1141,7 @@ const struct drm_ioctl_desc amdgpu_ioctls_kms[] = { DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_VM, amdgpu_vm_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF_DRV(AMDGPU_FENCE_TO_HANDLE, amdgpu_cs_fence_to_handle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), /* KMS */ DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW), -- 2.7.4