struct drm_connector *connector;
};
+/**
+ * struct drm_fb_helper - helper to emulate fbdev on top of kms
+ * @fb: Scanout framebuffer object
+ * @dev: DRM device
+ * @crtc_count: number of possible CRTCs
+ * @crtc_info: per-CRTC helper state (mode, x/y offset, etc)
+ * @connector_count: number of connected connectors
+ * @connector_info_alloc_count: size of connector_info
+ * @funcs: driver callbacks for fb helper
+ * @fbdev: emulated fbdev device info struct
+ * @pseudo_palette: fake palette of 16 colors
+ * @kernel_fb_list: list_head in kernel_fb_helper_list
+ * @delayed_hotplug: was there a hotplug while kms master active?
+ */
struct drm_fb_helper {
struct drm_framebuffer *fb;
struct drm_device *dev;
/* we got a hotplug but fbdev wasn't running the console
delay until next set_par */
bool delayed_hotplug;
+
+ /**
+ * @atomic:
+ *
+ * Use atomic updates for restore_fbdev_mode(), etc. This defaults to
+ * true if driver has DRIVER_ATOMIC feature flag, but drivers can
+ * override it to true after drm_fb_helper_init() if they support atomic
+ * modeset but do not yet advertise DRIVER_ATOMIC (note that fb-helper
+ * does not require ASYNC commits).
+ */
+ bool atomic;
};
#ifdef CONFIG_DRM_FBDEV_EMULATION
int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
-bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper);
+int drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper);
struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper);
void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper);
return 0;
}
-static inline bool
+static inline int
drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper)
{
- return true;
+ return 0;
}
static inline struct fb_info *