diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_display.c')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_display.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index b8ced08b6291..af9e78546688 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -187,6 +187,54 @@ static void qxl_crtc_destroy(struct drm_crtc *crtc) kfree(qxl_crtc); } +static int qxl_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct drm_device *dev = crtc->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); + struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb); + struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb); + struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj); + struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj); + unsigned long flags; + struct drm_clip_rect norect = { + .x1 = 0, + .y1 = 0, + .x2 = fb->width, + .y2 = fb->height + }; + int inc = 1; + int one_clip_rect = 1; + int ret = 0; + + crtc->primary->fb = fb; + bo_old->is_primary = false; + bo->is_primary = true; + + ret = qxl_bo_reserve(bo, false); + if (ret) + return ret; + + qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0, + &norect, one_clip_rect, inc); + + drm_vblank_get(dev, qcrtc->index); + + if (event) { + spin_lock_irqsave(&dev->event_lock, flags); + drm_send_vblank_event(dev, qcrtc->index, event); + spin_unlock_irqrestore(&dev->event_lock, flags); + } + drm_vblank_put(dev, qcrtc->index); + + qxl_bo_unreserve(bo); + + return 0; +} + static int qxl_hide_cursor(struct qxl_device *qdev) { @@ -374,6 +422,7 @@ static const struct drm_crtc_funcs qxl_crtc_funcs = { .cursor_move = qxl_crtc_cursor_move, .set_config = drm_crtc_helper_set_config, .destroy = qxl_crtc_destroy, + .page_flip = qxl_crtc_page_flip, }; static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) |