@@ -1557,70 +1557,36 @@ int drm_fb_helper_set_par(struct fb_info *info)
}
EXPORT_SYMBOL(drm_fb_helper_set_par);
-static int pan_display_atomic(struct fb_var_screeninfo *var,
- struct fb_info *info)
+static void pan_set(struct drm_fb_helper *fb_helper, int x, int y)
{
- struct drm_fb_helper *fb_helper = info->par;
- struct drm_device *dev = fb_helper->dev;
- struct drm_atomic_state *state;
- struct drm_plane *plane;
- int i, ret;
- unsigned int plane_mask;
- struct drm_modeset_acquire_ctx ctx;
-
- drm_modeset_acquire_init(&ctx, 0);
-
- state = drm_atomic_state_alloc(dev);
- if (!state) {
- ret = -ENOMEM;
- goto out_ctx;
- }
+ int i;
- state->acquire_ctx = &ctx;
-retry:
- plane_mask = 0;
for (i = 0; i < fb_helper->crtc_count; i++) {
struct drm_mode_set *mode_set;
mode_set = &fb_helper->crtc_info[i].mode_set;
- mode_set->x = var->xoffset;
- mode_set->y = var->yoffset;
-
- ret = __drm_atomic_helper_set_config(mode_set, state);
- if (ret != 0)
- goto out_state;
-
- plane = mode_set->crtc->primary;
- plane_mask |= (1 << drm_plane_index(plane));
- plane->old_fb = plane->fb;
+ mode_set->x = x;
+ mode_set->y = y;
}
+}
- ret = drm_atomic_commit(state);
- if (ret != 0)
- goto out_state;
-
- info->var.xoffset = var->xoffset;
- info->var.yoffset = var->yoffset;
+static int pan_display_atomic(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ int ret;
-out_state:
- drm_atomic_clean_old_fb(dev, plane_mask, ret);
+ pan_set(fb_helper, var->xoffset, var->yoffset);
- if (ret == -EDEADLK)
- goto backoff;
-
- drm_atomic_state_put(state);
-out_ctx:
- drm_modeset_drop_locks(&ctx);
- drm_modeset_acquire_fini(&ctx);
+ ret = restore_fbdev_mode(fb_helper);
+ if (!ret) {
+ info->var.xoffset = var->xoffset;
+ info->var.yoffset = var->yoffset;
+ } else
+ pan_set(fb_helper, info->var.xoffset, info->var.yoffset);
return ret;
-
-backoff:
- drm_atomic_state_clear(state);
- drm_modeset_backoff(&ctx);
-
- goto retry;
}
static int pan_display_legacy(struct fb_var_screeninfo *var,