renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-28 23:23:55 +08:00
Code

drm/vc4: Wait for fences interruptibly in blocking mode.

Browse Source 
We should allow SIGIO and things to interrupt us before we get to the
no-error stage of the commit process.  This code is effectively copied
from drm_atomic_helper_commit().

Signed-off-by: Eric Anholt <eric@anholt.net>
Link: http://patchwork.freedesktop.org/patch/msgid/20170621185002.28563-2-eric@anholt.net
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Eric Anholt 2017-06-21 11:50:00 -07:00
parent 334dbd69c6
commit 53ad06949d
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/vc4/vc4_kms.c
View File

@ -142,6 +142,16 @@ static int vc4_atomic_commit(struct drm_device *dev,
return ret;
}
if (!nonblock) {
ret = drm_atomic_helper_wait_for_fences(dev, state, true);
if (ret) {
drm_atomic_helper_cleanup_planes(dev, state);
kfree(c);
up(&vc4->async_modeset);
return ret;
}
}
for_each_plane_in_state(state, plane, new_state, i) {
if ((plane->state->fb != new_state->fb) && new_state->fb) {
struct drm_gem_cma_object *cma_bo =