diff options
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_fb_helper.c | 14 |
2 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 82fd6e82450f..1fe4e1d344fd 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -279,16 +279,25 @@ static struct drm_display_mode *drm_has_preferred_mode(struct drm_connector *con static bool drm_has_cmdline_mode(struct drm_connector *connector) { struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode = &fb_help_conn->cmdline_mode; + struct drm_fb_helper_cmdline_mode *cmdline_mode; + + if (!fb_help_conn) + return false; + + cmdline_mode = &fb_help_conn->cmdline_mode; return cmdline_mode->specified; } static struct drm_display_mode *drm_pick_cmdline_mode(struct drm_connector *connector, int width, int height) { struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode = &fb_help_conn->cmdline_mode; + struct drm_fb_helper_cmdline_mode *cmdline_mode; struct drm_display_mode *mode = NULL; + if (!fb_help_conn) + return mode; + + cmdline_mode = &fb_help_conn->cmdline_mode; if (cmdline_mode->specified == false) return mode; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 2537d2e81849..10d810ef8faa 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -90,8 +90,12 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con int i; enum drm_connector_force force = DRM_FORCE_UNSPECIFIED; struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode = &fb_help_conn->cmdline_mode; + struct drm_fb_helper_cmdline_mode *cmdline_mode; + if (!fb_help_conn) + return false; + + cmdline_mode = &fb_help_conn->cmdline_mode; if (!mode_option) mode_option = fb_mode_option; @@ -694,7 +698,13 @@ int drm_fb_helper_single_fb_probe(struct drm_device *dev, /* first up get a count of crtcs now in use and new min/maxes width/heights */ list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct drm_fb_helper_connector *fb_help_conn = connector->fb_helper_private; - struct drm_fb_helper_cmdline_mode *cmdline_mode = &fb_help_conn->cmdline_mode; + + struct drm_fb_helper_cmdline_mode *cmdline_mode; + + if (!fb_help_conn) + continue; + + cmdline_mode = &fb_help_conn->cmdline_mode; if (cmdline_mode->bpp_specified) { switch (cmdline_mode->bpp) { |
