drm/vboxvideo: Switch to drm_atomic_helper_dirty_fb()

[linux.git] / drivers / gpu / drm / vboxvideo / vbox_mode.c

diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
index dd9ad3fdd919b00ef16584fedbbb580d02da3444..78d1df061151cb745317d29db2a6864358cc8d88 100644 (file)
--- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
@@ -284,10 +284,43 @@ static void vbox_primary_atomic_update(struct drm_plane *plane,
 {
        struct drm_crtc *crtc = plane->state->crtc;
        struct drm_framebuffer *fb = plane->state->fb;
+       struct vbox_private *vbox = fb->dev->dev_private;
+       struct drm_mode_rect *clips;
+       uint32_t num_clips, i;
 
        vbox_crtc_set_base_and_mode(crtc, fb,
                                    plane->state->src_x >> 16,
                                    plane->state->src_y >> 16);
+
+       /* Send information about dirty rectangles to VBVA. */
+
+       clips = drm_plane_get_damage_clips(plane->state);
+       num_clips = drm_plane_get_damage_clips_count(plane->state);
+
+       if (!num_clips)
+               return;
+
+       mutex_lock(&vbox->hw_mutex);
+
+       for (i = 0; i < num_clips; ++i, ++clips) {
+               struct vbva_cmd_hdr cmd_hdr;
+               unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id;
+
+               cmd_hdr.x = (s16)clips->x1;
+               cmd_hdr.y = (s16)clips->y1;
+               cmd_hdr.w = (u16)clips->x2 - clips->x1;
+               cmd_hdr.h = (u16)clips->y2 - clips->y1;
+
+               if (!vbva_buffer_begin_update(&vbox->vbva_info[crtc_id],
+                                             vbox->guest_pool))
+                       continue;
+
+               vbva_write(&vbox->vbva_info[crtc_id], vbox->guest_pool,
+                          &cmd_hdr, sizeof(cmd_hdr));
+               vbva_buffer_end_update(&vbox->vbva_info[crtc_id]);
+       }
+
+       mutex_unlock(&vbox->hw_mutex);
 }
 
 static void vbox_primary_atomic_disable(struct drm_plane *plane,