示例#1
0
文件: qxl_fb.c 项目: 513855417/linux
static int qxlfb_create_pinned_object(struct qxl_fbdev *qfbdev,
				      const struct drm_mode_fb_cmd2 *mode_cmd,
				      struct drm_gem_object **gobj_p)
{
	struct qxl_device *qdev = qfbdev->qdev;
	struct drm_gem_object *gobj = NULL;
	struct qxl_bo *qbo = NULL;
	int ret;
	int aligned_size, size;
	int height = mode_cmd->height;
	int bpp;
	int depth;

	drm_fb_get_bpp_depth(mode_cmd->pixel_format, &bpp, &depth);

	size = mode_cmd->pitches[0] * height;
	aligned_size = ALIGN(size, PAGE_SIZE);
	/* TODO: unallocate and reallocate surface0 for real. Hack to just
	 * have a large enough surface0 for 1024x768 Xorg 32bpp mode */
	ret = qxl_gem_object_create(qdev, aligned_size, 0,
				    QXL_GEM_DOMAIN_SURFACE,
				    false, /* is discardable */
				    false, /* is kernel (false means device) */
				    NULL,
				    &gobj);
	if (ret) {
		pr_err("failed to allocate framebuffer (%d)\n",
		       aligned_size);
		return -ENOMEM;
	}
	qbo = gem_to_qxl_bo(gobj);

	qbo->surf.width = mode_cmd->width;
	qbo->surf.height = mode_cmd->height;
	qbo->surf.stride = mode_cmd->pitches[0];
	qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB;
	ret = qxl_bo_reserve(qbo, false);
	if (unlikely(ret != 0))
		goto out_unref;
	ret = qxl_bo_pin(qbo, QXL_GEM_DOMAIN_SURFACE, NULL);
	if (ret) {
		qxl_bo_unreserve(qbo);
		goto out_unref;
	}
	ret = qxl_bo_kmap(qbo, NULL);
	qxl_bo_unreserve(qbo); /* unreserve, will be mmaped */
	if (ret)
		goto out_unref;

	*gobj_p = gobj;
	return 0;
out_unref:
	qxlfb_destroy_pinned_object(gobj);
	*gobj_p = NULL;
	return ret;
}
示例#2
0
int qxl_create_monitors_object(struct qxl_device *qdev)
{
	int ret;
	struct drm_gem_object *gobj;
	int max_allowed = qxl_num_crtc;
	int monitors_config_size = sizeof(struct qxl_monitors_config) +
		max_allowed * sizeof(struct qxl_head);

	ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
				    QXL_GEM_DOMAIN_VRAM,
				    false, false, NULL, &gobj);
	if (ret) {
		DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
		return -ENOMEM;
	}
	qdev->monitors_config_bo = gem_to_qxl_bo(gobj);

	ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
	if (ret)
		return ret;

	ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
	if (ret) {
		qxl_bo_unreserve(qdev->monitors_config_bo);
		return ret;
	}

	qxl_bo_unreserve(qdev->monitors_config_bo);

	qxl_bo_kmap(qdev->monitors_config_bo, NULL);

	qdev->monitors_config = qdev->monitors_config_bo->kptr;
	qdev->ram_header->monitors_config =
		qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);

	memset(qdev->monitors_config, 0, monitors_config_size);
	qdev->monitors_config->max_allowed = max_allowed;
	return 0;
}
示例#3
0
static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
				struct drm_file *file_priv,
				uint32_t handle,
				uint32_t width,
				uint32_t height, int32_t hot_x, int32_t hot_y)
{
	struct drm_device *dev = crtc->dev;
	struct qxl_device *qdev = dev->dev_private;
	struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
	struct drm_gem_object *obj;
	struct qxl_cursor *cursor;
	struct qxl_cursor_cmd *cmd;
	struct qxl_bo *cursor_bo, *user_bo;
	struct qxl_release *release;
	void *user_ptr;

	int size = 64*64*4;
	int ret = 0;
	if (!handle)
		return qxl_hide_cursor(qdev);

	obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
	if (!obj) {
		DRM_ERROR("cannot find cursor object\n");
		return -ENOENT;
	}

	user_bo = gem_to_qxl_bo(obj);

	ret = qxl_bo_reserve(user_bo, false);
	if (ret)
		goto out_unref;

	ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
	qxl_bo_unreserve(user_bo);
	if (ret)
		goto out_unref;

	ret = qxl_bo_kmap(user_bo, &user_ptr);
	if (ret)
		goto out_unpin;

	ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
					 QXL_RELEASE_CURSOR_CMD,
					 &release, NULL);
	if (ret)
		goto out_kunmap;

	ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
			   &cursor_bo);
	if (ret)
		goto out_free_release;

	ret = qxl_release_reserve_list(release, false);
	if (ret)
		goto out_free_bo;

	ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
	if (ret)
		goto out_backoff;

	cursor->header.unique = 0;
	cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
	cursor->header.width = 64;
	cursor->header.height = 64;
	cursor->header.hot_spot_x = hot_x;
	cursor->header.hot_spot_y = hot_y;
	cursor->data_size = size;
	cursor->chunk.next_chunk = 0;
	cursor->chunk.prev_chunk = 0;
	cursor->chunk.data_size = size;

	memcpy(cursor->chunk.data, user_ptr, size);

	qxl_bo_kunmap(cursor_bo);

	qxl_bo_kunmap(user_bo);

	cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
	cmd->type = QXL_CURSOR_SET;
	cmd->u.set.position.x = qcrtc->cur_x;
	cmd->u.set.position.y = qcrtc->cur_y;

	cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);

	cmd->u.set.visible = 1;
	qxl_release_unmap(qdev, release, &cmd->release_info);

	qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
	qxl_release_fence_buffer_objects(release);

	/* finish with the userspace bo */
	ret = qxl_bo_reserve(user_bo, false);
	if (!ret) {
		qxl_bo_unpin(user_bo);
		qxl_bo_unreserve(user_bo);
	}
	drm_gem_object_unreference_unlocked(obj);

	qxl_bo_unref(&cursor_bo);

	return ret;

out_backoff:
	qxl_release_backoff_reserve_list(release);
out_free_bo:
	qxl_bo_unref(&cursor_bo);
out_free_release:
	qxl_release_free(qdev, release);
out_kunmap:
	qxl_bo_kunmap(user_bo);
out_unpin:
	qxl_bo_unpin(user_bo);
out_unref:
	drm_gem_object_unreference_unlocked(obj);
	return ret;
}
示例#4
0
static int qxl_crtc_mode_set(struct drm_crtc *crtc,
			       struct drm_display_mode *mode,
			       struct drm_display_mode *adjusted_mode,
			       int x, int y,
			       struct drm_framebuffer *old_fb)
{
	struct drm_device *dev = crtc->dev;
	struct qxl_device *qdev = dev->dev_private;
	struct qxl_mode *m = (void *)mode->private;
	struct qxl_framebuffer *qfb;
	struct qxl_bo *bo, *old_bo = NULL;
	struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
	uint32_t width, height, base_offset;
	bool recreate_primary = false;
	int ret;
	int surf_id;
	if (!crtc->fb) {
		DRM_DEBUG_KMS("No FB bound\n");
		return 0;
	}

	if (old_fb) {
		qfb = to_qxl_framebuffer(old_fb);
		old_bo = gem_to_qxl_bo(qfb->obj);
	}
	qfb = to_qxl_framebuffer(crtc->fb);
	bo = gem_to_qxl_bo(qfb->obj);
	if (!m)
		/* and do we care? */
		DRM_DEBUG("%dx%d: not a native mode\n", x, y);
	else
		DRM_DEBUG("%dx%d: qxl id %d\n",
			  mode->hdisplay, mode->vdisplay, m->id);
	DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
		  x, y,
		  mode->hdisplay, mode->vdisplay,
		  adjusted_mode->hdisplay,
		  adjusted_mode->vdisplay);

	if (qcrtc->index == 0)
		recreate_primary = true;

	width = mode->hdisplay;
	height = mode->vdisplay;
	base_offset = 0;

	ret = qxl_bo_reserve(bo, false);
	if (ret != 0)
		return ret;
	ret = qxl_bo_pin(bo, bo->type, NULL);
	if (ret != 0) {
		qxl_bo_unreserve(bo);
		return -EINVAL;
	}
	qxl_bo_unreserve(bo);
	if (recreate_primary) {
		qxl_io_destroy_primary(qdev);
		qxl_io_log(qdev,
			   "recreate primary: %dx%d (was %dx%d,%d,%d)\n",
			   width, height, bo->surf.width,
			   bo->surf.height, bo->surf.stride, bo->surf.format);
		qxl_io_create_primary(qdev, base_offset, bo);
		bo->is_primary = true;
		surf_id = 0;
	} else {
		surf_id = bo->surface_id;
	}

	if (old_bo && old_bo != bo) {
		old_bo->is_primary = false;
		ret = qxl_bo_reserve(old_bo, false);
		qxl_bo_unpin(old_bo);
		qxl_bo_unreserve(old_bo);
	}

	qxl_monitors_config_set(qdev, qcrtc->index, x, y,
				mode->hdisplay,
				mode->vdisplay, surf_id);
	return 0;
}
示例#5
0
int qxl_gem_prime_pin(struct drm_gem_object *obj)
{
	struct qxl_bo *bo = gem_to_qxl_bo(obj);

	return qxl_bo_pin(bo);
}