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Ip=[165.204.84.17]; Helo=[SATLEXCHOV01.amd.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM2PR12MB0064 Subject: [Intel-gfx] [PATCH 08/10] drm/syncobj: add transition iotcls between binary and timeline v2 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chunming Zhou Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP we need to import/export timeline point. v2: unify to one transfer ioctl Signed-off-by: Chunming Zhou --- drivers/gpu/drm/drm_internal.h | 2 + drivers/gpu/drm/drm_ioctl.c | 2 + drivers/gpu/drm/drm_syncobj.c | 74 ++++++++++++++++++++++++++++++++++ include/uapi/drm/drm.h | 10 +++++ 4 files changed, 88 insertions(+) diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index dab4d5936441..06c2adc4950e 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -176,6 +176,8 @@ int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, struct drm_file *file_private); int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, struct drm_file *file_private); +int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_private); int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file_private); int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data, diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 7578ef6dc1d1..e9d4bed12783 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -673,6 +673,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = { DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, drm_syncobj_fd_to_handle_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), + DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_TRANSFER, drm_syncobj_transfer_ioctl, + DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_WAIT, drm_syncobj_wait_ioctl, DRM_UNLOCKED|DRM_RENDER_ALLOW), DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT, drm_syncobj_timeline_wait_ioctl, diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index d964b348ecba..3bba86c8160d 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -670,6 +670,80 @@ drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data, &args->handle); } +static int drm_syncobj_transfer_to_timeline(struct drm_file *file_private, + struct drm_syncobj_transfer *args) +{ + struct drm_syncobj *timeline_syncobj = NULL; + struct dma_fence *fence; + struct dma_fence_chain *chain; + int ret; + + timeline_syncobj = drm_syncobj_find(file_private, args->dst_handle); + if (!timeline_syncobj) { + return -ENOENT; + } + ret = drm_syncobj_find_fence(file_private, args->src_handle, + args->src_point, args->flags, + &fence); + if (ret) + goto err; + chain = kzalloc(sizeof(struct dma_fence_chain), GFP_KERNEL); + if (!chain) { + ret = -ENOMEM; + goto err1; + } + drm_syncobj_add_point(timeline_syncobj, chain, fence, args->dst_point); +err1: + dma_fence_put(fence); +err: + drm_syncobj_put(timeline_syncobj); + + return ret; +} + +static int +drm_syncobj_transfer_to_binary(struct drm_file *file_private, + struct drm_syncobj_transfer *args) +{ + struct drm_syncobj *binary_syncobj = NULL; + struct dma_fence *fence; + int ret; + + binary_syncobj = drm_syncobj_find(file_private, args->dst_handle); + if (!binary_syncobj) + return -ENOENT; + ret = drm_syncobj_find_fence(file_private, args->src_handle, + args->src_point, args->flags, &fence); + if (ret) + goto err; + drm_syncobj_replace_fence(binary_syncobj, fence); + dma_fence_put(fence); +err: + drm_syncobj_put(binary_syncobj); + + return ret; +} +int +drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_private) +{ + struct drm_syncobj_transfer *args = data; + int ret; + + if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ)) + return -ENODEV; + + if (args->pad) + return -EINVAL; + + if (args->dst_point) + ret = drm_syncobj_transfer_to_timeline(file_private, args); + else + ret = drm_syncobj_transfer_to_binary(file_private, args); + + return ret; +} + static void syncobj_wait_fence_func(struct dma_fence *fence, struct dma_fence_cb *cb) { diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index b2c36f2b2599..4c1e2e6579fa 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -735,6 +735,15 @@ struct drm_syncobj_handle { __u32 pad; }; +struct drm_syncobj_transfer { + __u32 src_handle; + __u32 dst_handle; + __u64 src_point; + __u64 dst_point; + __u32 flags; + __u32 pad; +}; + #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0) #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1) #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) @@ -933,6 +942,7 @@ extern "C" { #define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait) #define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array) +#define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0xCC, struct drm_syncobj_transfer) /** * Device specific ioctls should only be in their respective headers