diff options
Diffstat (limited to 'drivers/gpu/drm/virtio')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_display.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drm_bus.c | 31 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.h | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_fb.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_fence.c | 39 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_gem.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ioctl.c | 137 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_kms.c | 56 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_object.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_plane.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ttm.c | 65 | ||||
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_vq.c | 129 |
13 files changed, 382 insertions, 218 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 8f8fed471e34..b5580b11a063 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -169,6 +169,12 @@ static int virtio_gpu_conn_get_modes(struct drm_connector *connector) struct drm_display_mode *mode = NULL; int count, width, height; + if (output->edid) { + count = drm_add_edid_modes(connector, output->edid); + if (count) + return count; + } + width = le32_to_cpu(output->info.r.width); height = le32_to_cpu(output->info.r.height); count = drm_add_modes_noedid(connector, XRES_MAX, YRES_MAX); @@ -287,6 +293,8 @@ static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index) drm_connector_init(dev, connector, &virtio_gpu_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); drm_connector_helper_add(connector, &virtio_gpu_conn_helper_funcs); + if (vgdev->has_edid) + drm_connector_attach_edid_property(connector); drm_encoder_init(dev, encoder, &virtio_gpu_enc_funcs, DRM_MODE_ENCODER_VIRTUAL, NULL); @@ -378,6 +386,10 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev) { + int i; + + for (i = 0 ; i < vgdev->num_scanouts; ++i) + kfree(vgdev->outputs[i].edid); virtio_gpu_fbdev_fini(vgdev); drm_mode_config_cleanup(vgdev->ddev); } diff --git a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c index 757ca28ab93e..0887e0b64b9c 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c +++ b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c @@ -53,6 +53,37 @@ int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev) 0, "virtiodrmfb"); + /* + * Normally the drm_dev_set_unique() call is done by core DRM. + * The following comment covers, why virtio cannot rely on it. + * + * Unlike the other virtual GPU drivers, virtio abstracts the + * underlying bus type by using struct virtio_device. + * + * Hence the dev_is_pci() check, used in core DRM, will fail + * and the unique returned will be the virtio_device "virtio0", + * while a "pci:..." one is required. + * + * A few other ideas were considered: + * - Extend the dev_is_pci() check [in drm_set_busid] to + * consider virtio. + * Seems like a bigger hack than what we have already. + * + * - Point drm_device::dev to the parent of the virtio_device + * Semantic changes: + * * Using the wrong device for i2c, framebuffer_alloc and + * prime import. + * Visual changes: + * * Helpers such as DRM_DEV_ERROR, dev_info, drm_printer, + * will print the wrong information. + * + * We could address the latter issues, by introducing + * drm_device::bus_dev, ... which would be used solely for this. + * + * So for the moment keep things as-is, with a bulky comment + * for the next person who feels like removing this + * drm_dev_set_unique() quirk. + */ snprintf(unique, sizeof(unique), "pci:%s", pname); ret = drm_dev_set_unique(dev, unique); if (ret) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index d9287c144fe5..f7f32a885af7 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -80,6 +80,7 @@ static unsigned int features[] = { */ VIRTIO_GPU_F_VIRGL, #endif + VIRTIO_GPU_F_EDID, }; static struct virtio_driver virtio_gpu_driver = { .feature_table = features, diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index d29f0c7c768c..1deb41d42ea4 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -47,8 +47,8 @@ #define DRIVER_DATE "0" #define DRIVER_MAJOR 0 -#define DRIVER_MINOR 0 -#define DRIVER_PATCHLEVEL 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 /* virtgpu_drm_bus.c */ int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev); @@ -65,6 +65,7 @@ struct virtio_gpu_object { struct ttm_placement placement; struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap; + bool created; }; #define gem_to_virtio_gpu_obj(gobj) \ container_of((gobj), struct virtio_gpu_object, gem_base) @@ -114,6 +115,7 @@ struct virtio_gpu_output { struct drm_encoder enc; struct virtio_gpu_display_one info; struct virtio_gpu_update_cursor cursor; + struct edid *edid; int cur_x; int cur_y; bool enabled; @@ -130,6 +132,7 @@ struct virtio_gpu_framebuffer { int x1, y1, x2, y2; /* dirty rect */ spinlock_t dirty_lock; uint32_t hw_res_handle; + struct virtio_gpu_fence *fence; }; #define to_virtio_gpu_framebuffer(x) \ container_of(x, struct virtio_gpu_framebuffer, base) @@ -142,9 +145,6 @@ struct virtio_gpu_fbdev { }; struct virtio_gpu_mman { - struct ttm_bo_global_ref bo_global_ref; - struct drm_global_reference mem_global_ref; - bool mem_global_referenced; struct ttm_bo_device bdev; }; @@ -190,8 +190,7 @@ struct virtio_gpu_device { struct kmem_cache *vbufs; bool vqs_ready; - struct idr resource_idr; - spinlock_t resource_idr_lock; + struct ida resource_ida; wait_queue_head_t resp_wq; /* current display info */ @@ -200,10 +199,10 @@ struct virtio_gpu_device { struct virtio_gpu_fence_driver fence_drv; - struct idr ctx_id_idr; - spinlock_t ctx_id_idr_lock; + struct ida ctx_id_ida; bool has_virgl_3d; + bool has_edid; struct work_struct config_changed_work; @@ -259,11 +258,8 @@ int virtio_gpu_surface_dirty(struct virtio_gpu_framebuffer *qfb, /* virtio vg */ int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev); void virtio_gpu_free_vbufs(struct virtio_gpu_device *vgdev); -void virtio_gpu_resource_id_get(struct virtio_gpu_device *vgdev, - uint32_t *resid); -void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t id); void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, - uint32_t resource_id, + struct virtio_gpu_object *bo, uint32_t format, uint32_t width, uint32_t height); @@ -274,7 +270,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, uint64_t offset, __le32 width, __le32 height, __le32 x, __le32 y, - struct virtio_gpu_fence **fence); + struct virtio_gpu_fence *fence); void virtio_gpu_cmd_resource_flush(struct virtio_gpu_device *vgdev, uint32_t resource_id, uint32_t x, uint32_t y, @@ -285,8 +281,7 @@ void virtio_gpu_cmd_set_scanout(struct virtio_gpu_device *vgdev, uint32_t x, uint32_t y); int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *obj, - uint32_t resource_id, - struct virtio_gpu_fence **fence); + struct virtio_gpu_fence *fence); void virtio_gpu_object_detach(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *obj); int virtio_gpu_attach_status_page(struct virtio_gpu_device *vgdev); @@ -298,6 +293,7 @@ int virtio_gpu_cmd_get_capset_info(struct virtio_gpu_device *vgdev, int idx); int virtio_gpu_cmd_get_capset(struct virtio_gpu_device *vgdev, int idx, int version, struct virtio_gpu_drv_cap_cache **cache_p); +int virtio_gpu_cmd_get_edids(struct virtio_gpu_device *vgdev); void virtio_gpu_cmd_context_create(struct virtio_gpu_device *vgdev, uint32_t id, uint32_t nlen, const char *name); void virtio_gpu_cmd_context_destroy(struct virtio_gpu_device *vgdev, @@ -310,22 +306,22 @@ void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev, uint32_t resource_id); void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev, void *data, uint32_t data_size, - uint32_t ctx_id, struct virtio_gpu_fence **fence); + uint32_t ctx_id, struct virtio_gpu_fence *fence); void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev, uint32_t resource_id, uint32_t ctx_id, uint64_t offset, uint32_t level, struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence); + struct virtio_gpu_fence *fence); void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *bo, uint32_t ctx_id, uint64_t offset, uint32_t level, struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence); + struct virtio_gpu_fence *fence); void virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, - struct virtio_gpu_resource_create_3d *rc_3d, - struct virtio_gpu_fence **fence); + struct virtio_gpu_object *bo, + struct virtio_gpu_resource_create_3d *rc_3d); void virtio_gpu_ctrl_ack(struct virtqueue *vq); void virtio_gpu_cursor_ack(struct virtqueue *vq); void virtio_gpu_fence_ack(struct virtqueue *vq); @@ -353,9 +349,12 @@ void virtio_gpu_ttm_fini(struct virtio_gpu_device *vgdev); int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma); /* virtio_gpu_fence.c */ +struct virtio_gpu_fence *virtio_gpu_fence_alloc( + struct virtio_gpu_device *vgdev); +void virtio_gpu_fence_cleanup(struct virtio_gpu_fence *fence); int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, struct virtio_gpu_ctrl_hdr *cmd_hdr, - struct virtio_gpu_fence **fence); + struct virtio_gpu_fence *fence); void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev, u64 last_seq); diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c index cea749f4ec39..fb1cc8b2f119 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fb.c +++ b/drivers/gpu/drm/virtio/virtgpu_fb.c @@ -214,7 +214,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, struct drm_framebuffer *fb; struct drm_mode_fb_cmd2 mode_cmd = {}; struct virtio_gpu_object *obj; - uint32_t resid, format, size; + uint32_t format, size; int ret; mode_cmd.width = sizes->surface_width; @@ -231,8 +231,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, if (IS_ERR(obj)) return PTR_ERR(obj); - virtio_gpu_resource_id_get(vgdev, &resid); - virtio_gpu_cmd_create_resource(vgdev, resid, format, + virtio_gpu_cmd_create_resource(vgdev, obj, format, mode_cmd.width, mode_cmd.height); ret = virtio_gpu_object_kmap(obj); @@ -242,7 +241,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper, } /* attach the object to the resource */ - ret = virtio_gpu_object_attach(vgdev, obj, resid, NULL); + ret = virtio_gpu_object_attach(vgdev, obj, NULL); if (ret) goto err_obj_attach; diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c index 00c742a441bf..4d6826b27814 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fence.c +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c @@ -67,28 +67,43 @@ static const struct dma_fence_ops virtio_fence_ops = { .timeline_value_str = virtio_timeline_value_str, }; +struct virtio_gpu_fence *virtio_gpu_fence_alloc(struct virtio_gpu_device *vgdev) +{ + struct virtio_gpu_fence_driver *drv = &vgdev->fence_drv; + struct virtio_gpu_fence *fence = kzalloc(sizeof(struct virtio_gpu_fence), + GFP_ATOMIC); + if (!fence) + return fence; + + fence->drv = drv; + dma_fence_init(&fence->f, &virtio_fence_ops, &drv->lock, drv->context, 0); + + return fence; +} + +void virtio_gpu_fence_cleanup(struct virtio_gpu_fence *fence) +{ + if (!fence) + return; + + dma_fence_put(&fence->f); +} + int virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev, struct virtio_gpu_ctrl_hdr *cmd_hdr, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_fence_driver *drv = &vgdev->fence_drv; unsigned long irq_flags; - *fence = kmalloc(sizeof(struct virtio_gpu_fence), GFP_ATOMIC); - if ((*fence) == NULL) - return -ENOMEM; - spin_lock_irqsave(&drv->lock, irq_flags); - (*fence)->drv = drv; - (*fence)->seq = ++drv->sync_seq; - dma_fence_init(&(*fence)->f, &virtio_fence_ops, &drv->lock, - drv->context, (*fence)->seq); - dma_fence_get(&(*fence)->f); - list_add_tail(&(*fence)->node, &drv->fences); + fence->seq = ++drv->sync_seq; + dma_fence_get(&fence->f); + list_add_tail(&fence->node, &drv->fences); spin_unlock_irqrestore(&drv->lock, irq_flags); cmd_hdr->flags |= cpu_to_le32(VIRTIO_GPU_FLAG_FENCE); - cmd_hdr->fence_id = cpu_to_le64((*fence)->seq); + cmd_hdr->fence_id = cpu_to_le64(fence->seq); return 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c index 82c817f37cf7..f06586393974 100644 --- a/drivers/gpu/drm/virtio/virtgpu_gem.c +++ b/drivers/gpu/drm/virtio/virtgpu_gem.c @@ -87,7 +87,6 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv, struct virtio_gpu_object *obj; int ret; uint32_t pitch; - uint32_t resid; uint32_t format; if (args->bpp != 32) @@ -103,13 +102,12 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv, goto fail; format = virtio_gpu_translate_format(DRM_FORMAT_HOST_XRGB8888); - virtio_gpu_resource_id_get(vgdev, &resid); - virtio_gpu_cmd_create_resource(vgdev, resid, format, + obj = gem_to_virtio_gpu_obj(gobj); + virtio_gpu_cmd_create_resource(vgdev, obj, format, args->width, args->height); /* attach the object to the resource */ - obj = gem_to_virtio_gpu_obj(gobj); - ret = virtio_gpu_object_attach(vgdev, obj, resid, NULL); + ret = virtio_gpu_object_attach(vgdev, obj, NULL); if (ret) goto fail; diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index f16b875d6a46..161b80fee492 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -28,6 +28,7 @@ #include <drm/drmP.h> #include <drm/virtgpu_drm.h> #include <drm/ttm/ttm_execbuf_util.h> +#include <linux/sync_file.h> #include "virtgpu_drv.h" @@ -105,7 +106,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_fpriv *vfpriv = drm_file->driver_priv; struct drm_gem_object *gobj; - struct virtio_gpu_fence *fence; + struct virtio_gpu_fence *out_fence; struct virtio_gpu_object *qobj; int ret; uint32_t *bo_handles = NULL; @@ -114,11 +115,46 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, struct ttm_validate_buffer *buflist = NULL; int i; struct ww_acquire_ctx ticket; + struct sync_file *sync_file; + int in_fence_fd = exbuf->fence_fd; + int out_fence_fd = -1; void *buf; if (vgdev->has_virgl_3d == false) return -ENOSYS; + if ((exbuf->flags & ~VIRTGPU_EXECBUF_FLAGS)) + return -EINVAL; + + exbuf->fence_fd = -1; + + if (exbuf->flags & VIRTGPU_EXECBUF_FENCE_FD_IN) { + struct dma_fence *in_fence; + + in_fence = sync_file_get_fence(in_fence_fd); + + if (!in_fence) + return -EINVAL; + + /* + * Wait if the fence is from a foreign context, or if the fence + * array contains any fence from a foreign context. + */ + ret = 0; + if (!dma_fence_match_context(in_fence, vgdev->fence_drv.context)) + ret = dma_fence_wait(in_fence, true); + + dma_fence_put(in_fence); + if (ret) + return ret; + } + + if (exbuf->flags & VIRTGPU_EXECBUF_FENCE_FD_OUT) { + out_fence_fd = get_unused_fd_flags(O_CLOEXEC); + if (out_fence_fd < 0) + return out_fence_fd; + } + INIT_LIST_HEAD(&validate_list); if (exbuf->num_bo_handles) { @@ -128,26 +164,22 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, sizeof(struct ttm_validate_buffer), GFP_KERNEL | __GFP_ZERO); if (!bo_handles || !buflist) { - kvfree(bo_handles); - kvfree(buflist); - return -ENOMEM; + ret = -ENOMEM; + goto out_unused_fd; } user_bo_handles = (void __user *)(uintptr_t)exbuf->bo_handles; if (copy_from_user(bo_handles, user_bo_handles, exbuf->num_bo_handles * sizeof(uint32_t))) { ret = -EFAULT; - kvfree(bo_handles); - kvfree(buflist); - return ret; + goto out_unused_fd; } for (i = 0; i < exbuf->num_bo_handles; i++) { gobj = drm_gem_object_lookup(drm_file, bo_handles[i]); if (!gobj) { - kvfree(bo_handles); - kvfree(buflist); - return -ENOENT; + ret = -ENOENT; + goto out_unused_fd; } qobj = gem_to_virtio_gpu_obj(gobj); @@ -156,6 +188,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, list_add(&buflist[i].head, &validate_list); } kvfree(bo_handles); + bo_handles = NULL; } ret = virtio_gpu_object_list_validate(&ticket, &validate_list); @@ -168,22 +201,48 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, ret = PTR_ERR(buf); goto out_unresv; } + + out_fence = virtio_gpu_fence_alloc(vgdev); + if(!out_fence) { + ret = -ENOMEM; + goto out_memdup; + } + + if (out_fence_fd >= 0) { + sync_file = sync_file_create(&out_fence->f); + if (!sync_file) { + dma_fence_put(&out_fence->f); + ret = -ENOMEM; + goto out_memdup; + } + + exbuf->fence_fd = out_fence_fd; + fd_install(out_fence_fd, sync_file->file); + } + virtio_gpu_cmd_submit(vgdev, buf, exbuf->size, - vfpriv->ctx_id, &fence); + vfpriv->ctx_id, out_fence); - ttm_eu_fence_buffer_objects(&ticket, &validate_list, &fence->f); + ttm_eu_fence_buffer_objects(&ticket, &validate_list, &out_fence->f); /* fence the command bo */ virtio_gpu_unref_list(&validate_list); kvfree(buflist); - dma_fence_put(&fence->f); return 0; +out_memdup: + kfree(buf); out_unresv: ttm_eu_backoff_reservation(&ticket, &validate_list); out_free: virtio_gpu_unref_list(&validate_list); +out_unused_fd: + kvfree(bo_handles); kvfree(buflist); + + if (out_fence_fd >= 0) + put_unused_fd(out_fence_fd); + return ret; } @@ -217,7 +276,6 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, struct virtio_gpu_device *vgdev = dev->dev_private; struct drm_virtgpu_resource_create *rc = data; int ret; - uint32_t res_id; struct virtio_gpu_object *qobj; struct drm_gem_object *obj; uint32_t handle = 0; @@ -244,8 +302,6 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, INIT_LIST_HEAD(&validate_list); memset(&mainbuf, 0, sizeof(struct ttm_validate_buffer)); - virtio_gpu_resource_id_get(vgdev, &res_id); - size = rc->size; /* allocate a single page size object */ @@ -253,17 +309,15 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, size = PAGE_SIZE; qobj = virtio_gpu_alloc_object(dev, size, false, false); - if (IS_ERR(qobj)) { - ret = PTR_ERR(qobj); - goto fail_id; - } + if (IS_ERR(qobj)) + return PTR_ERR(qobj); obj = &qobj->gem_base; if (!vgdev->has_virgl_3d) { - virtio_gpu_cmd_create_resource(vgdev, res_id, rc->format, + virtio_gpu_cmd_create_resource(vgdev, qobj, rc->format, rc->width, rc->height); - ret = virtio_gpu_object_attach(vgdev, qobj, res_id, NULL); + ret = virtio_gpu_object_attach(vgdev, qobj, NULL); } else { /* use a gem reference since unref list undoes them */ drm_gem_object_get(&qobj->gem_base); @@ -276,7 +330,7 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, goto fail_unref; } - rc_3d.resource_id = cpu_to_le32(res_id); + rc_3d.resource_id = cpu_to_le32(qobj->hw_res_handle); rc_3d.target = cpu_to_le32(rc->target); rc_3d.format = cpu_to_le32(rc->format); rc_3d.bind = cpu_to_le32(rc->bind); @@ -288,17 +342,21 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, rc_3d.nr_samples = cpu_to_le32(rc->nr_samples); rc_3d.flags = cpu_to_le32(rc->flags); - virtio_gpu_cmd_resource_create_3d(vgdev, &rc_3d, NULL); - ret = virtio_gpu_object_attach(vgdev, qobj, res_id, &fence); + fence = virtio_gpu_fence_alloc(vgdev); + if (!fence) { + ret = -ENOMEM; + goto fail_backoff; + } + + virtio_gpu_cmd_resource_create_3d(vgdev, qobj, &rc_3d); + ret = virtio_gpu_object_attach(vgdev, qobj, fence); if (ret) { - ttm_eu_backoff_reservation(&ticket, &validate_list); - goto fail_unref; + virtio_gpu_fence_cleanup(fence); + goto fail_backoff; } ttm_eu_fence_buffer_objects(&ticket, &validate_list, &fence->f); } - qobj->hw_res_handle = res_id; - ret = drm_gem_handle_create(file_priv, obj, &handle); if (ret) { @@ -311,7 +369,7 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, } drm_gem_object_put_unlocked(obj); - rc->res_handle = res_id; /* similiar to a VM address */ + rc->res_handle = qobj->hw_res_handle; /* similiar to a VM address */ rc->bo_handle = handle; if (vgdev->has_virgl_3d) { @@ -319,6 +377,8 @@ static int virtio_gpu_resource_create_ioctl(struct drm_device *dev, void *data, dma_fence_put(&fence->f); } return 0; +fail_backoff: + ttm_eu_backoff_reservation(&ticket, &validate_list); fail_unref: if (vgdev->has_virgl_3d) { virtio_gpu_unref_list(&validate_list); @@ -326,8 +386,6 @@ fail_unref: } //fail_obj: // drm_gem_object_handle_unreference_unlocked(obj); -fail_id: - virtio_gpu_resource_id_put(vgdev, res_id); return ret; } @@ -383,10 +441,16 @@ static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev, goto out_unres; convert_to_hw_box(&box, &args->box); + + fence = virtio_gpu_fence_alloc(vgdev); + if (!fence) { + ret = -ENOMEM; + goto out_unres; + } virtio_gpu_cmd_transfer_from_host_3d (vgdev, qobj->hw_res_handle, vfpriv->ctx_id, offset, args->level, - &box, &fence); + &box, fence); reservation_object_add_excl_fence(qobj->tbo.resv, &fence->f); @@ -432,10 +496,15 @@ static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data, (vgdev, qobj, offset, box.w, box.h, box.x, box.y, NULL); } else { + fence = virtio_gpu_fence_alloc(vgdev); + if (!fence) { + ret = -ENOMEM; + goto out_unres; + } virtio_gpu_cmd_transfer_to_host_3d (vgdev, qobj, vfpriv ? vfpriv->ctx_id : 0, offset, - args->level, &box, &fence); + args->level, &box, fence); reservation_object_add_excl_fence(qobj->tbo.resv, &fence->f); dma_fence_put(&fence->f); diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index 65060c08522d..3af6181c05a8 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -44,6 +44,8 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work) virtio_cread(vgdev->vdev, struct virtio_gpu_config, events_read, &events_read); if (events_read & VIRTIO_GPU_EVENT_DISPLAY) { + if (vgdev->has_edid) + virtio_gpu_cmd_get_edids(vgdev); virtio_gpu_cmd_get_display_info(vgdev); drm_helper_hpd_irq_event(vgdev->ddev); events_clear |= VIRTIO_GPU_EVENT_DISPLAY; @@ -52,39 +54,23 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work) events_clear, &events_clear); } -static void virtio_gpu_ctx_id_get(struct virtio_gpu_device *vgdev, - uint32_t *resid) +static int virtio_gpu_context_create(struct virtio_gpu_device *vgdev, + uint32_t nlen, const char *name) { - int handle; - - idr_preload(GFP_KERNEL); - spin_lock(&vgdev->ctx_id_idr_lock); - handle = idr_alloc(&vgdev->ctx_id_idr, NULL, 1, 0, 0); - spin_unlock(&vgdev->ctx_id_idr_lock); - idr_preload_end(); - *resid = handle; -} + int handle = ida_alloc(&vgdev->ctx_id_ida, GFP_KERNEL); -static void virtio_gpu_ctx_id_put(struct virtio_gpu_device *vgdev, uint32_t id) -{ - spin_lock(&vgdev->ctx_id_idr_lock); - idr_remove(&vgdev->ctx_id_idr, id); - spin_unlock(&vgdev->ctx_id_idr_lock); -} - -static void virtio_gpu_context_create(struct virtio_gpu_device *vgdev, - uint32_t nlen, const char *name, - uint32_t *ctx_id) -{ - virtio_gpu_ctx_id_get(vgdev, ctx_id); - virtio_gpu_cmd_context_create(vgdev, *ctx_id, nlen, name); + if (handle < 0) + return handle; + handle += 1; + virtio_gpu_cmd_context_create(vgdev, handle, nlen, name); + return handle; } static void virtio_gpu_context_destroy(struct virtio_gpu_device *vgdev, uint32_t ctx_id) { virtio_gpu_cmd_context_destroy(vgdev, ctx_id); - virtio_gpu_ctx_id_put(vgdev, ctx_id); + ida_free(&vgdev->ctx_id_ida, ctx_id - 1); } static void virtio_gpu_init_vq(struct virtio_gpu_queue *vgvq, @@ -151,10 +137,8 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags) vgdev->dev = dev->dev; spin_lock_init(&vgdev->display_info_lock); - spin_lock_init(&vgdev->ctx_id_idr_lock); - idr_init(&vgdev->ctx_id_idr); - spin_lock_init(&vgdev->resource_idr_lock); - idr_init(&vgdev->resource_idr); + ida_init(&vgdev->ctx_id_ida); + ida_init(&vgdev->resource_ida); init_waitqueue_head(&vgdev->resp_wq); virtio_gpu_init_vq(&vgdev->ctrlq, virtio_gpu_dequeue_ctrl_func); virtio_gpu_init_vq(&vgdev->cursorq, virtio_gpu_dequeue_cursor_func); @@ -174,6 +158,10 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags) #else DRM_INFO("virgl 3d acceleration not supported by guest\n"); #endif + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_EDID)) { + vgdev->has_edid = true; + DRM_INFO("EDID support available.\n"); + } ret = virtio_find_vqs(vgdev->vdev, 2, vqs, callbacks, names, NULL); if (ret) { @@ -219,6 +207,8 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags) if (num_capsets) virtio_gpu_get_capsets(vgdev, num_capsets); + if (vgdev->has_edid) + virtio_gpu_cmd_get_edids(vgdev); virtio_gpu_cmd_get_display_info(vgdev); wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending, 5 * HZ); @@ -271,7 +261,7 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file) { struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_fpriv *vfpriv; - uint32_t id; + int id; char dbgname[TASK_COMM_LEN]; /* can't create contexts without 3d renderer */ @@ -284,7 +274,11 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file) return -ENOMEM; get_task_comm(dbgname, current); - virtio_gpu_context_create(vgdev, strlen(dbgname), dbgname, &id); + id = virtio_gpu_context_create(vgdev, strlen(dbgname), dbgname); + if (id < 0) { + kfree(vfpriv); + return id; + } vfpriv->ctx_id = id; file->driver_priv = vfpriv; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index eca765537470..f39a183d59c2 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -25,6 +25,23 @@ #include "virtgpu_drv.h" +static int virtio_gpu_resource_id_get(struct virtio_gpu_device *vgdev, + uint32_t *resid) +{ + int handle = ida_alloc(&vgdev->resource_ida, GFP_KERNEL); + + if (handle < 0) + return handle; + + *resid = handle + 1; + return 0; +} + +static void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t id) +{ + ida_free(&vgdev->resource_ida, id - 1); +} + static void virtio_gpu_ttm_bo_destroy(struct ttm_buffer_object *tbo) { struct virtio_gpu_object *bo; @@ -33,13 +50,14 @@ static void virtio_gpu_ttm_bo_destroy(struct ttm_buffer_object *tbo) bo = container_of(tbo, struct virtio_gpu_object, tbo); vgdev = (struct virtio_gpu_device *)bo->gem_base.dev->dev_private; - if (bo->hw_res_handle) + if (bo->created) virtio_gpu_cmd_unref_resource(vgdev, bo->hw_res_handle); if (bo->pages) virtio_gpu_object_free_sg_table(bo); if (bo->vmap) virtio_gpu_object_kunmap(bo); drm_gem_object_release(&bo->gem_base); + virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle); kfree(bo); } @@ -81,9 +99,15 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, bo = kzalloc(sizeof(struct virtio_gpu_object), GFP_KERNEL); if (bo == NULL) return -ENOMEM; + ret = virtio_gpu_resource_id_get(vgdev, &bo->hw_res_handle); + if (ret < 0) { + kfree(bo); + return ret; + } size = roundup(size, PAGE_SIZE); ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size); if (ret != 0) { + virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle); kfree(bo); return ret; } diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index a9f4ae7d4483..ead5c53d4e21 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -137,6 +137,41 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, plane->state->src_h >> 16); } +static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct drm_device *dev = plane->dev; + struct virtio_gpu_device *vgdev = dev->dev_private; + struct virtio_gpu_framebuffer *vgfb; + struct virtio_gpu_object *bo; + + if (!new_state->fb) + return 0; + + vgfb = to_virtio_gpu_framebuffer(new_state->fb); + bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); + if (bo && bo->dumb && (plane->state->fb != new_state->fb)) { + vgfb->fence = virtio_gpu_fence_alloc(vgdev); + if (!vgfb->fence) + return -ENOMEM; + } + + return 0; +} + +static void virtio_gpu_cursor_cleanup_fb(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct virtio_gpu_framebuffer *vgfb; + + if (!plane->state->fb) + return; + + vgfb = to_virtio_gpu_framebuffer(plane->state->fb); + if (vgfb->fence) + virtio_gpu_fence_cleanup(vgfb->fence); +} + static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -144,7 +179,6 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, struct virtio_gpu_device *vgdev = dev->dev_private; struct virtio_gpu_output *output = NULL; struct virtio_gpu_framebuffer *vgfb; - struct virtio_gpu_fence *fence = NULL; struct virtio_gpu_object *bo = NULL; uint32_t handle; int ret = 0; @@ -170,13 +204,13 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane, (vgdev, bo, 0, cpu_to_le32(plane->state->crtc_w), cpu_to_le32(plane->state->crtc_h), - 0, 0, &fence); + 0, 0, vgfb->fence); ret = virtio_gpu_object_reserve(bo, false); if (!ret) { reservation_object_add_excl_fence(bo->tbo.resv, - &fence->f); - dma_fence_put(&fence->f); - fence = NULL; + &vgfb->fence->f); + dma_fence_put(&vgfb->fence->f); + vgfb->fence = NULL; virtio_gpu_object_unreserve(bo); virtio_gpu_object_wait(bo, false); } @@ -218,6 +252,8 @@ static const struct drm_plane_helper_funcs virtio_gpu_primary_helper_funcs = { }; static const struct drm_plane_helper_funcs virtio_gpu_cursor_helper_funcs = { + .prepare_fb = virtio_gpu_cursor_prepare_fb, + .cleanup_fb = virtio_gpu_cursor_cleanup_fb, .atomic_check = virtio_gpu_plane_atomic_check, .atomic_update = virtio_gpu_cursor_plane_update, }; diff --git a/drivers/gpu/drm/virtio/virtgpu_ttm.c b/drivers/gpu/drm/virtio/virtgpu_ttm.c index e3152d45c5f1..4bfbf25fabff 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ttm.c +++ b/drivers/gpu/drm/virtio/virtgpu_ttm.c @@ -50,62 +50,6 @@ virtio_gpu_device *virtio_gpu_get_vgdev(struct ttm_bo_device *bdev) return vgdev; } -static int virtio_gpu_ttm_mem_global_init(struct drm_global_reference *ref) -{ - return ttm_mem_global_init(ref->object); -} - -static void virtio_gpu_ttm_mem_global_release(struct drm_global_reference *ref) -{ - ttm_mem_global_release(ref->object); -} - -static int virtio_gpu_ttm_global_init(struct virtio_gpu_device *vgdev) -{ - struct drm_global_reference *global_ref; - int r; - - vgdev->mman.mem_global_referenced = false; - global_ref = &vgdev->mman.mem_global_ref; - global_ref->global_type = DRM_GLOBAL_TTM_MEM; - global_ref->size = sizeof(struct ttm_mem_global); - global_ref->init = &virtio_gpu_ttm_mem_global_init; - global_ref->release = &virtio_gpu_ttm_mem_global_release; - - r = drm_global_item_ref(global_ref); - if (r != 0) { - DRM_ERROR("Failed setting up TTM memory accounting " - "subsystem.\n"); - return r; - } - - vgdev->mman.bo_global_ref.mem_glob = - vgdev->mman.mem_global_ref.object; - global_ref = &vgdev->mman.bo_global_ref.ref; - global_ref->global_type = DRM_GLOBAL_TTM_BO; - global_ref->size = sizeof(struct ttm_bo_global); - global_ref->init = &ttm_bo_global_init; - global_ref->release = &ttm_bo_global_release; - r = drm_global_item_ref(global_ref); - if (r != 0) { - DRM_ERROR("Failed setting up TTM BO subsystem.\n"); - drm_global_item_unref(&vgdev->mman.mem_global_ref); - return r; - } - - vgdev->mman.mem_global_referenced = true; - return 0; -} - -static void virtio_gpu_ttm_global_fini(struct virtio_gpu_device *vgdev) -{ - if (vgdev->mman.mem_global_referenced) { - drm_global_item_unref(&vgdev->mman.bo_global_ref.ref); - drm_global_item_unref(&vgdev->mman.mem_global_ref); - vgdev->mman.mem_global_referenced = false; - } -} - int virtio_gpu_mmap(struct file *filp, struct vm_area_struct *vma) { struct drm_file *file_priv; @@ -347,8 +291,7 @@ static void virtio_gpu_bo_move_notify(struct ttm_buffer_object *tbo, } else if (new_mem->placement & TTM_PL_FLAG_TT) { if (bo->hw_res_handle) { - virtio_gpu_object_attach(vgdev, bo, bo->hw_res_handle, - NULL); + virtio_gpu_object_attach(vgdev, bo, NULL); } } } @@ -383,12 +326,8 @@ int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev) { int r; - r = virtio_gpu_ttm_global_init(vgdev); - if (r) - return r; /* No others user of address space so set it to 0 */ r = ttm_bo_device_init(&vgdev->mman.bdev, - vgdev->mman.bo_global_ref.ref.object, &virtio_gpu_bo_driver, vgdev->ddev->anon_inode->i_mapping, DRM_FILE_PAGE_OFFSET, 0); @@ -407,13 +346,11 @@ int virtio_gpu_ttm_init(struct virtio_gpu_device *vgdev) err_mm_init: ttm_bo_device_release(&vgdev->mman.bdev); err_dev_init: - virtio_gpu_ttm_global_fini(vgdev); return r; } void virtio_gpu_ttm_fini(struct virtio_gpu_device *vgdev) { ttm_bo_device_release(&vgdev->mman.bdev); - virtio_gpu_ttm_global_fini(vgdev); DRM_INFO("virtio_gpu: ttm finalized\n"); } diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 4e2e037aed34..e27c4aedb809 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -38,26 +38,6 @@ + MAX_INLINE_CMD_SIZE \ + MAX_INLINE_RESP_SIZE) -void virtio_gpu_resource_id_get(struct virtio_gpu_device *vgdev, - uint32_t *resid) -{ - int handle; - - idr_preload(GFP_KERNEL); - spin_lock(&vgdev->resource_idr_lock); - handle = idr_alloc(&vgdev->resource_idr, NULL, 1, 0, GFP_NOWAIT); - spin_unlock(&vgdev->resource_idr_lock); - idr_preload_end(); - *resid = handle; -} - -void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t id) -{ - spin_lock(&vgdev->resource_idr_lock); - idr_remove(&vgdev->resource_idr, id); - spin_unlock(&vgdev->resource_idr_lock); -} - void virtio_gpu_ctrl_ack(struct virtqueue *vq) { struct drm_device *dev = vq->vdev->priv; @@ -98,10 +78,9 @@ virtio_gpu_get_vbuf(struct virtio_gpu_device *vgdev, { struct virtio_gpu_vbuffer *vbuf; - vbuf = kmem_cache_alloc(vgdev->vbufs, GFP_KERNEL); + vbuf = kmem_cache_zalloc(vgdev->vbufs, GFP_KERNEL); if (!vbuf) return ERR_PTR(-ENOMEM); - memset(vbuf, 0, VBUFFER_SIZE); BUG_ON(size > MAX_INLINE_CMD_SIZE); vbuf->buf = (void *)vbuf + sizeof(*vbuf); @@ -319,7 +298,7 @@ static int virtio_gpu_queue_ctrl_buffer(struct virtio_gpu_device *vgdev, static int virtio_gpu_queue_fenced_ctrl_buffer(struct virtio_gpu_device *vgdev, struct virtio_gpu_vbuffer *vbuf, struct virtio_gpu_ctrl_hdr *hdr, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtqueue *vq = vgdev->ctrlq.vq; int rc; @@ -388,7 +367,7 @@ retry: /* create a basic resource */ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, - uint32_t resource_id, + struct virtio_gpu_object *bo, uint32_t format, uint32_t width, uint32_t height) @@ -400,12 +379,13 @@ void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev, memset(cmd_p, 0, sizeof(*cmd_p)); cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_2D); - cmd_p->resource_id = cpu_to_le32(resource_id); + cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle); cmd_p->format = cpu_to_le32(format); cmd_p->width = cpu_to_le32(width); cmd_p->height = cpu_to_le32(height); virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); + bo->created = true; } void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev, @@ -425,7 +405,7 @@ void virtio_gpu_cmd_unref_resource(struct virtio_gpu_device *vgdev, static void virtio_gpu_cmd_resource_inval_backing(struct virtio_gpu_device *vgdev, uint32_t resource_id, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_resource_detach_backing *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -487,7 +467,7 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, uint64_t offset, __le32 width, __le32 height, __le32 x, __le32 y, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_transfer_to_host_2d *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -517,7 +497,7 @@ virtio_gpu_cmd_resource_attach_backing(struct virtio_gpu_device *vgdev, uint32_t resource_id, struct virtio_gpu_mem_entry *ents, uint32_t nents, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_resource_attach_backing *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -604,6 +584,45 @@ static void virtio_gpu_cmd_capset_cb(struct virtio_gpu_device *vgdev, wake_up(&vgdev->resp_wq); } +static int virtio_get_edid_block(void *data, u8 *buf, + unsigned int block, size_t len) +{ + struct virtio_gpu_resp_edid *resp = data; + size_t start = block * EDID_LENGTH; + + if (start + len > le32_to_cpu(resp->size)) + return -1; + memcpy(buf, resp->edid + start, len); + return 0; +} + +static void virtio_gpu_cmd_get_edid_cb(struct virtio_gpu_device *vgdev, + struct virtio_gpu_vbuffer *vbuf) +{ + struct virtio_gpu_cmd_get_edid *cmd = + (struct virtio_gpu_cmd_get_edid *)vbuf->buf; + struct virtio_gpu_resp_edid *resp = + (struct virtio_gpu_resp_edid *)vbuf->resp_buf; + uint32_t scanout = le32_to_cpu(cmd->scanout); + struct virtio_gpu_output *output; + struct edid *new_edid, *old_edid; + + if (scanout >= vgdev->num_scanouts) + return; + output = vgdev->outputs + scanout; + + new_edid = drm_do_get_edid(&output->conn, virtio_get_edid_block, resp); + + spin_lock(&vgdev->display_info_lock); + old_edid = output->edid; + output->edid = new_edid; + drm_connector_update_edid_property(&output->conn, output->edid); + spin_unlock(&vgdev->display_info_lock); + + kfree(old_edid); + wake_up(&vgdev->resp_wq); +} + int virtio_gpu_cmd_get_display_info(struct virtio_gpu_device *vgdev) { struct virtio_gpu_ctrl_hdr *cmd_p; @@ -706,6 +725,34 @@ int virtio_gpu_cmd_get_capset(struct virtio_gpu_device *vgdev, return 0; } +int virtio_gpu_cmd_get_edids(struct virtio_gpu_device *vgdev) +{ + struct virtio_gpu_cmd_get_edid *cmd_p; + struct virtio_gpu_vbuffer *vbuf; + void *resp_buf; + int scanout; + + if (WARN_ON(!vgdev->has_edid)) + return -EINVAL; + + for (scanout = 0; scanout < vgdev->num_scanouts; scanout++) { + resp_buf = kzalloc(sizeof(struct virtio_gpu_resp_edid), + GFP_KERNEL); + if (!resp_buf) + return -ENOMEM; + + cmd_p = virtio_gpu_alloc_cmd_resp + (vgdev, &virtio_gpu_cmd_get_edid_cb, &vbuf, + sizeof(*cmd_p), sizeof(struct virtio_gpu_resp_edid), + resp_buf); + cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_GET_EDID); + cmd_p->scanout = cpu_to_le32(scanout); + virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); + } + + return 0; +} + void virtio_gpu_cmd_context_create(struct virtio_gpu_device *vgdev, uint32_t id, uint32_t nlen, const char *name) { @@ -772,8 +819,8 @@ void virtio_gpu_cmd_context_detach_resource(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, - struct virtio_gpu_resource_create_3d *rc_3d, - struct virtio_gpu_fence **fence) + struct virtio_gpu_object *bo, + struct virtio_gpu_resource_create_3d *rc_3d) { struct virtio_gpu_resource_create_3d *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -785,7 +832,8 @@ virtio_gpu_cmd_resource_create_3d(struct virtio_gpu_device *vgdev, cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_3D); cmd_p->hdr.flags = 0; - virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, &cmd_p->hdr, fence); + virtio_gpu_queue_ctrl_buffer(vgdev, vbuf); + bo->created = true; } void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, @@ -793,7 +841,7 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, uint32_t ctx_id, uint64_t offset, uint32_t level, struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_transfer_host_3d *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -821,7 +869,7 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev, uint32_t resource_id, uint32_t ctx_id, uint64_t offset, uint32_t level, struct virtio_gpu_box *box, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { struct virtio_gpu_transfer_host_3d *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -841,7 +889,7 @@ void virtio_gpu_cmd_transfer_from_host_3d(struct virtio_gpu_device *vgdev, void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev, void *data, uint32_t data_size, - uint32_t ctx_id, struct virtio_gpu_fence **fence) + uint32_t ctx_id, struct virtio_gpu_fence *fence) { struct virtio_gpu_cmd_submit *cmd_p; struct virtio_gpu_vbuffer *vbuf; @@ -861,14 +909,16 @@ void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev, int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *obj, - uint32_t resource_id, - struct virtio_gpu_fence **fence) + struct virtio_gpu_fence *fence) { bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); struct virtio_gpu_mem_entry *ents; struct scatterlist *sg; int si, nents; + if (!obj->created) + return 0; + if (!obj->pages) { int ret; @@ -902,10 +952,9 @@ int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev, ents[si].padding = 0; } - virtio_gpu_cmd_resource_attach_backing(vgdev, resource_id, + virtio_gpu_cmd_resource_attach_backing(vgdev, obj->hw_res_handle, ents, nents, fence); - obj->hw_res_handle = resource_id; return 0; } @@ -913,11 +962,11 @@ void virtio_gpu_object_detach(struct virtio_gpu_device *vgdev, struct virtio_gpu_object *obj) { bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); - struct virtio_gpu_fence *fence; if (use_dma_api && obj->mapped) { + struct virtio_gpu_fence *fence = virtio_gpu_fence_alloc(vgdev); /* detach backing and wait for the host process it ... */ - virtio_gpu_cmd_resource_inval_backing(vgdev, obj->hw_res_handle, &fence); + virtio_gpu_cmd_resource_inval_backing(vgdev, obj->hw_res_handle, fence); dma_fence_wait(&fence->f, true); dma_fence_put(&fence->f); |