gpu/drm/drm_plane.c

726 	if (!plane->fb)
731 	plane->old_fb = plane->fb;
734 		DRM_ERROR("failed to disable plane with busy fb\n");
738 	/* disconnect the plane from the fb and crtc: */
741 	plane->fb = NULL;
848 	if (plane->state && plane->state->fb)
849 		plane_resp->fb_id = plane->state->fb->base.id;
850 	else if (!plane->state && plane->fb)
851 		plane_resp->fb_id = plane->fb->base.id;
912 			    struct drm_framebuffer *fb,
926 	/* Check whether this plane supports the fb pixel format. */
927 	ret = drm_plane_check_pixel_format(plane, fb->format->format,
928 					   fb->modifier);
931 			      &fb->format->format, fb->modifier);
945 	ret = drm_framebuffer_check_src_coords(src_x, src_y, src_w, src_h, fb);
978  * This function will take a reference on the new fb for the plane
985 			       struct drm_framebuffer *fb,
997 	/* No fb means shut it down */
998 	if (!fb) {
999 		plane->old_fb = plane->fb;
1003 			plane->fb = NULL;
1010 	ret = __setplane_check(plane, crtc, fb,
1016 	plane->old_fb = plane->fb;
1017 	ret = plane->funcs->update_plane(plane, crtc, fb,
1022 		plane->fb = fb;
1023 		drm_framebuffer_get(plane->fb);
1038 			     struct drm_framebuffer *fb,
1049 	/* No fb means shut it down */
1050 	if (!fb)
1060 	ret = __setplane_check(plane, crtc, fb,
1066 	return plane->funcs->update_plane(plane, crtc, fb,
1073 			     struct drm_framebuffer *fb,
1087 		ret = __setplane_atomic(plane, crtc, fb,
1091 		ret = __setplane_internal(plane, crtc, fb,
1106 	struct drm_framebuffer *fb = NULL;
1113 	 * First, find the plane, crtc, and fb objects.  If not available,
1124 		fb = drm_framebuffer_lookup(dev, file_priv, plane_req->fb_id);
1125 		if (!fb) {
1133 			drm_framebuffer_put(fb);
1140 	ret = setplane_internal(plane, crtc, fb,
1146 	if (fb)
1147 		drm_framebuffer_put(fb);
1159 	struct drm_framebuffer *fb = NULL;
1176 	 * Obtain fb we'll be using (either new or existing) and take an extra
1177 	 * reference to it if fb != null.  setplane will take care of dropping
1182 			fb = drm_internal_framebuffer_create(dev, &fbreq, file_priv);
1183 			if (IS_ERR(fb)) {
1185 				return PTR_ERR(fb);
1193 			fb = NULL;
1197 			fb = plane->state->fb;
1199 			fb = plane->fb;
1201 		if (fb)
1202 			drm_framebuffer_get(fb);
1213 	if (fb) {
1214 		crtc_w = fb->width;
1215 		crtc_h = fb->height;
1216 		src_w = fb->width << 16;
1217 		src_h = fb->height << 16;
1221 		ret = __setplane_atomic(plane, crtc, fb,
1225 		ret = __setplane_internal(plane, crtc, fb,
1229 	if (fb)
1230 		drm_framebuffer_put(fb);
1352 	struct drm_framebuffer *fb = NULL, *old_fb;
1434 		old_fb = plane->state->fb;
1436 		old_fb = plane->fb;
1447 	fb = drm_framebuffer_lookup(dev, file_priv, page_flip->fb_id);
1448 	if (!fb) {
1460 						       fb);
1463 					      &crtc->mode, fb);
1475 	if (old_fb->format->format != fb->format->format) {
1501 	plane->old_fb = plane->fb;
1503 		ret = crtc->funcs->page_flip_target(crtc, fb, e,
1508 		ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags,
1513 		/* Keep the old fb, don't unref it. */
1517 			plane->fb = fb;
1518 			drm_framebuffer_get(fb);
1523 	if (fb)
1524 		drm_framebuffer_put(fb);
1525 	fb = NULL;
1597  * Drivers with a per-buffer upload target could compare the &drm_plane_state.fb
1599  * plane has changed or not since the last plane update. If &drm_plane_state.fb
1614  * drm_plane_enable_fb_damage_clips - Enables plane fb damage clips property.