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path: root/drivers/gpu/drm/drm_fb_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_fb_helper.c')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index d2849e4ea4d..5c4f9b9ecdc 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -985,6 +985,8 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = depth == 8 ? FB_VISUAL_PSEUDOCOLOR :
FB_VISUAL_TRUECOLOR;
+ info->fix.mmio_start = 0;
+ info->fix.mmio_len = 0;
info->fix.type_aux = 0;
info->fix.xpanstep = 1; /* doing it in hw */
info->fix.ypanstep = 1; /* doing it in hw */
@@ -1005,6 +1007,7 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
info->var.xres_virtual = fb->width;
info->var.yres_virtual = fb->height;
info->var.bits_per_pixel = fb->bits_per_pixel;
+ info->var.accel_flags = FB_ACCELF_TEXT;
info->var.xoffset = 0;
info->var.yoffset = 0;
info->var.activate = FB_ACTIVATE_NOW;
@@ -1530,3 +1533,24 @@ bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
}
EXPORT_SYMBOL(drm_fb_helper_hotplug_event);
+/* The Kconfig DRM_KMS_HELPER selects FRAMEBUFFER_CONSOLE (if !EMBEDDED)
+ * but the module doesn't depend on any fb console symbols. At least
+ * attempt to load fbcon to avoid leaving the system without a usable console.
+ */
+#if defined(CONFIG_FRAMEBUFFER_CONSOLE_MODULE) && !defined(CONFIG_EMBEDDED)
+static int __init drm_fb_helper_modinit(void)
+{
+ const char *name = "fbcon";
+ struct module *fbcon;
+
+ mutex_lock(&module_mutex);
+ fbcon = find_module(name);
+ mutex_unlock(&module_mutex);
+
+ if (!fbcon)
+ request_module_nowait(name);
+ return 0;
+}
+
+module_init(drm_fb_helper_modinit);
+#endif