xf86-video-intel: src/sna/sna_display.c

[Chris Wilson]

 src/sna/sna_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

New commits:
commit c72bb27a3a68ecc616ce2dc8e9a1d20354504562
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Apr 18 20:39:24 2017 +0100

    sna: Fix fallback clearing of the shadow
    
    The size we need to clear is pitch * height, not pitch * width.
    
    Reported-by: Ilia Mirkin <imirkin at alum.mit.edu>
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/sna_display.c b/src/sna/sna_display.c
index f69bb4d8..795d099b 100644
--- a/src/sna/sna_display.c
+++ b/src/sna/sna_display.c
@@ -2572,7 +2572,7 @@ static void shadow_clear(struct sna *sna,
 	if (!ok) {
 		void *ptr = kgem_bo_map__gtt(&sna->kgem, bo);
 		if (ptr)
-			memset(ptr, 0, bo->pitch * crtc->mode.HDisplay);
+			memset(ptr, 0, bo->pitch * crtc->mode.VDisplay);
 	}
 	sna->mode.shadow_dirty = true;
 }