diff options
Diffstat (limited to 'linux-core/via_dmablit.c')
| -rw-r--r-- | linux-core/via_dmablit.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/linux-core/via_dmablit.c b/linux-core/via_dmablit.c index 6e04cb57..2b025a21 100644 --- a/linux-core/via_dmablit.c +++ b/linux-core/via_dmablit.c @@ -596,8 +596,9 @@ via_build_sg_info(drm_device_t *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t * */ if (((xfer->mem_stride - xfer->line_length) >= PAGE_SIZE) || - (xfer->mem_stride > 2048)) { - DRM_ERROR("Too large system memory stride.\n"); + (xfer->mem_stride > 2048*4)) { + DRM_ERROR("Too large system memory stride. Stride: %d, " + "Length: %d\n", xfer->mem_stride, xfer->line_length); return DRM_ERR(EINVAL); } @@ -630,7 +631,8 @@ via_build_sg_info(drm_device_t *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t * return DRM_ERR(EINVAL); } #else - if ((((unsigned long)xfer->mem_addr & 15) || ((unsigned long)xfer->fb_addr & 15))) { + if ((((unsigned long)xfer->mem_addr & 15) || ((unsigned long)xfer->fb_addr & 3)) || + (xfer->mem_stride & 15) || (xfer->fb_stride & 3)) { DRM_ERROR("Invalid DRM bitblt alignment.\n"); return DRM_ERR(EINVAL); } |