modetest: align fb pitch to 64 bytes

Docs say this is necessary, and the kernel now enforces this.

diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index 177b9c0..820f8a5 100644 (file)
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -438,6 +438,7 @@ create_test_buffer(drm_intel_bufmgr *bufmgr,
 
        /* Mode size at 32 bpp */
        stride = width * 4;
+       stride = (stride + 63) & ~63;
        size = stride * height;
 
        bo = drm_intel_bo_alloc(bufmgr, "frontbuffer", size, 4096);