diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_fb.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_fb.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index ce9a61179925..b8c00ed33051 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/fb.h> +#include <linux/dma-buf.h> #include "drmP.h" #include "drm.h" @@ -377,16 +378,33 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb, { struct udl_framebuffer *ufb = to_udl_fb(fb); int i; + int ret = 0; if (!ufb->active_16) return 0; + if (ufb->obj->base.import_attach) { + ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf, + 0, ufb->obj->base.size, + DMA_FROM_DEVICE); + if (ret) + return ret; + } + for (i = 0; i < num_clips; i++) { - udl_handle_damage(ufb, clips[i].x1, clips[i].y1, + ret = udl_handle_damage(ufb, clips[i].x1, clips[i].y1, clips[i].x2 - clips[i].x1, clips[i].y2 - clips[i].y1); + if (ret) + break; } - return 0; + + if (ufb->obj->base.import_attach) { + dma_buf_end_cpu_access(ufb->obj->base.import_attach->dmabuf, + 0, ufb->obj->base.size, + DMA_FROM_DEVICE); + } + return ret; } static void udl_user_framebuffer_destroy(struct drm_framebuffer *fb) |