diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fb.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index 822896782cd..71d55801c0d 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -155,6 +155,13 @@ static int intelfb_create(struct intel_fbdev *ifbdev, drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); + /* If the object is shmemfs backed, it will have given us zeroed pages. + * If the object is stolen however, it will be full of whatever + * garbage was left in there. + */ + if (ifbdev->ifb.obj->stolen) + memset_io(info->screen_base, 0, info->screen_size); + /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", |