diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index cb37751bc99f..9a217fd025f3 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -111,16 +111,26 @@ static int vc4_atomic_commit(struct drm_device *dev, int i; uint64_t wait_seqno = 0; struct vc4_commit *c; + struct drm_plane *plane; + struct drm_plane_state *new_state; c = commit_init(state); if (!c) return -ENOMEM; /* Make sure that any outstanding modesets have finished. */ - ret = down_interruptible(&vc4->async_modeset); - if (ret) { - kfree(c); - return ret; + if (nonblock) { + ret = down_trylock(&vc4->async_modeset); + if (ret) { + kfree(c); + return -EBUSY; + } + } else { + ret = down_interruptible(&vc4->async_modeset); + if (ret) { + kfree(c); + return ret; + } } ret = drm_atomic_helper_prepare_planes(dev, state); @@ -130,13 +140,7 @@ static int vc4_atomic_commit(struct drm_device *dev, return ret; } - for (i = 0; i < dev->mode_config.num_total_plane; i++) { - struct drm_plane *plane = state->planes[i]; - struct drm_plane_state *new_state = state->plane_states[i]; - - if (!plane) - continue; - + 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 = drm_fb_cma_get_gem_obj(new_state->fb, 0); @@ -152,7 +156,7 @@ static int vc4_atomic_commit(struct drm_device *dev, * the software side now. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); /* * Everything below can be run asynchronously without the need to grab |
