提交 5a08c075 编写于 作者: D Dave Airlie

Merge branch 'topic/core-stuff' of git://git.freedesktop.org/git/drm-intel into drm-next

Merge straggling core drm patches.

* 'topic/core-stuff' of git://git.freedesktop.org/git/drm-intel:
  drm: Fix use-after-free in the shadow-attache exit code
  drm/fb-helper: Do the 'max_conn_count' zero check
  drm: Check if the allocation has succeeded before dereferencing newmode
  drm/fb-helper: Use drm_fb_helper_restore_fbdev_mode() in drm_fb_helper_set_par()
  drm/edid: request HDMI underscan by default
......@@ -2590,6 +2590,9 @@ drm_display_mode_from_vic_index(struct drm_connector *connector,
return NULL;
newmode = drm_mode_duplicate(dev, &edid_cea_modes[cea_mode]);
if (!newmode)
return NULL;
newmode->vrefresh = 0;
return newmode;
......@@ -3611,6 +3614,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
return 0;
}
......
......@@ -516,6 +516,9 @@ int drm_fb_helper_init(struct drm_device *dev,
struct drm_crtc *crtc;
int i;
if (!max_conn_count)
return -EINVAL;
fb_helper->dev = dev;
INIT_LIST_HEAD(&fb_helper->kernel_fb_list);
......@@ -809,8 +812,6 @@ int drm_fb_helper_set_par(struct fb_info *info)
struct drm_fb_helper *fb_helper = info->par;
struct drm_device *dev = fb_helper->dev;
struct fb_var_screeninfo *var = &info->var;
int ret;
int i;
if (var->pixclock != 0) {
DRM_ERROR("PIXEL CLOCK SET\n");
......@@ -818,13 +819,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
}
drm_modeset_lock_all(dev);
for (i = 0; i < fb_helper->crtc_count; i++) {
ret = drm_mode_set_config_internal(&fb_helper->crtc_info[i].mode_set);
if (ret) {
drm_modeset_unlock_all(dev);
return ret;
}
}
drm_fb_helper_restore_fbdev_mode(fb_helper);
drm_modeset_unlock_all(dev);
if (fb_helper->delayed_hotplug) {
......
......@@ -468,8 +468,8 @@ void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver)
} else {
list_for_each_entry_safe(dev, tmp, &driver->legacy_dev_list,
legacy_dev_list) {
drm_put_dev(dev);
list_del(&dev->legacy_dev_list);
drm_put_dev(dev);
}
}
DRM_INFO("Module unloaded\n");
......
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