Using bool and returning true upon error is very uncommon. Also an int return value is actually what all the callers which did check it seem to have expected.
Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_fb_helper.c | 19 +++++++++++-------- include/drm/drm_fb_helper.h | 6 +++--- 2 files changed, 14 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 418d299f3b12..83aacb0cc9df 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -320,11 +320,10 @@ int drm_fb_helper_debug_leave(struct fb_info *info) } EXPORT_SYMBOL(drm_fb_helper_debug_leave);
-static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper) +static int restore_fbdev_mode(struct drm_fb_helper *fb_helper) { struct drm_device *dev = fb_helper->dev; struct drm_plane *plane; - bool error = false; int i;
drm_warn_on_modeset_not_all_locked(dev); @@ -348,14 +347,15 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper) if (crtc->funcs->cursor_set) { ret = crtc->funcs->cursor_set(crtc, NULL, 0, 0, 0); if (ret) - error = true; + return ret; }
ret = drm_mode_set_config_internal(mode_set); if (ret) - error = true; + return ret; } - return error; + + return 0; }
/** @@ -365,12 +365,15 @@ static bool restore_fbdev_mode(struct drm_fb_helper *fb_helper) * This should be called from driver's drm ->lastclose callback * when implementing an fbcon on top of kms using this helper. This ensures that * the user isn't greeted with a black screen when e.g. X dies. + * + * RETURNS: + * Zero if everything went ok, negative error code otherwise. */ -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 drm_device *dev = fb_helper->dev; - bool ret; - bool do_delayed = false; + bool do_delayed + int ret;
drm_modeset_lock_all(dev); ret = restore_fbdev_mode(fb_helper); diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index dbab4622b58f..67de1f10008e 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -136,7 +136,7 @@ int drm_fb_helper_set_par(struct fb_info *info); 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); @@ -226,10 +226,10 @@ static inline int drm_fb_helper_check_var(struct fb_var_screeninfo *var, 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 *