From: Animesh Manna animesh.manna@intel.com
Newly created lmem buffer by fbdev need reset otherwise it has old garbage data. Same logic was present for stolen memory, extended the same for lmem.
Cc: Daniel Vetter daniel.vetter@intel.com Cc: Daniel Vetter daniel.vetter@intel.com Signed-off-by: Animesh Manna animesh.manna@intel.com --- drivers/gpu/drm/i915/display/intel_fbdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index 65539fab6269..6bd3bbe42bf0 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -280,7 +280,7 @@ static int intelfb_create(struct drm_fb_helper *helper, * If the object is stolen however, it will be full of whatever * garbage was left in there. */ - if (vma->obj->stolen && !prealloc) + if ((vma->obj->stolen || HAS_LMEM(dev_priv)) && !prealloc) memset_io(info->screen_base, 0, info->screen_size);
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */