diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-07-30 14:06:55 +1000 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-08-17 10:10:07 +0200 |
| commit | 32ecd24264542328893e8649312c301150dbadc5 (patch) | |
| tree | 04f631c2923566bac15537a0d2c89c1f63483dba /drivers/gpu/drm/udl/udl_fb.c | |
| parent | ec6f1bb90c9865d4a5af01b1c643bcf020d88706 (diff) | |
| download | linux-32ecd24264542328893e8649312c301150dbadc5.tar.bz2 | |
drm/udl: call begin/end cpu access at more appropriate time
We need to call these before we transfer the damaged areas to the device
not before/after we setup the long lived vmaps.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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) |