diff options
| -rw-r--r-- | tests/kms_writeback.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tests/kms_writeback.c b/tests/kms_writeback.c index 60dbda2a..a033b44f 100644 --- a/tests/kms_writeback.c +++ b/tests/kms_writeback.c @@ -227,14 +227,17 @@ static void writeback_fb_id(igt_output_t *output, igt_fb_t *valid_fb, igt_fb_t * static void fill_fb(igt_fb_t *fb, uint32_t pixel) { - void *ptr; + uint32_t *ptr; + int64_t pixel_count, i; igt_assert(fb->drm_format == DRM_FORMAT_XRGB8888); ptr = igt_fb_map_buffer(fb->fd, fb); igt_assert(ptr); - memset(ptr, pixel, fb->strides[0] * fb->height); + pixel_count = fb->strides[0] * fb->height / sizeof(uint32_t); + for (i = 0; i < pixel_count; i++) + ptr[i] = pixel; igt_fb_unmap_buffer(fb, ptr); } |