No need to check whether we've allocated a new fb since we're not always doing that. Also, we always need to register the fbdev and add it to the panic notifier.
Signed-off-by: Daniel Vetter daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_fb_helper.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 90c1117..edbfcde 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -752,10 +752,14 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, } EXPORT_SYMBOL(drm_fb_helper_pan_display);
+/* + * Allocates the backing storage through the ->fb_probe callback and then + * registers the fbdev and sets up the panic notifier. + */ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, int preferred_bpp) { - int new_fb = 0; + int ret = 0; int crtc_count = 0; int i; struct fb_info *info; @@ -833,9 +837,9 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, }
/* push down into drivers */ - new_fb = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes); - if (new_fb < 0) - return new_fb; + ret = (*fb_helper->funcs->fb_probe)(fb_helper, &sizes); + if (ret < 0) + return ret;
info = fb_helper->fbdev;
@@ -851,15 +855,12 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, fb_helper->crtc_info[i].mode_set.fb = fb_helper->fb;
- if (new_fb) { - info->var.pixclock = 0; - if (register_framebuffer(info) < 0) - return -EINVAL; - - dev_info(fb_helper->dev->dev, "fb%d: %s frame buffer device\n", - info->node, info->fix.id); + info->var.pixclock = 0; + if (register_framebuffer(info) < 0) + return -EINVAL;
- } + dev_info(fb_helper->dev->dev, "fb%d: %s frame buffer device\n", + info->node, info->fix.id);
/* Switch back to kernel console on panic */ /* multi card linked list maybe */ @@ -869,8 +870,8 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper, &paniced); register_sysrq_key('v', &sysrq_drm_fb_helper_restore_op); } - if (new_fb) - list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list); + + list_add(&fb_helper->kernel_fb_list, &kernel_fb_helper_list);
return 0; }