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drm/atomic-helper: fixup atomit commit backport

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Change-Id: I7a8dc2552a1738eb3837e7bfffb82872627340c9
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-10-20 18:31:13 +08:00
committed by Huang, Tao
parent 6d2f104013
commit 8f4d032130
4 changed files with 34 additions and 22 deletions
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15
drivers/gpu/drm/drm_atomic.c
View File

@@ -59,6 +59,7 @@ void drm_atomic_state_default_release(struct drm_atomic_state *state)
kfree(state->connector_states);
kfree(state->crtcs);
kfree(state->crtc_states);
kfree(state->crtc_commits);
kfree(state->planes);
kfree(state->plane_states);
}
@@ -90,6 +91,10 @@ drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state)
sizeof(*state->crtc_states), GFP_KERNEL);
if (!state->crtc_states)
goto fail;
state->crtc_commits = kcalloc(dev->mode_config.num_crtc,
sizeof(*state->crtc_commits), GFP_KERNEL);
if (!state->crtc_commits)
goto fail;
state->planes = kcalloc(dev->mode_config.num_total_plane,
sizeof(*state->planes), GFP_KERNEL);
if (!state->planes)
@@ -191,13 +196,13 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
crtc->funcs->atomic_destroy_state(crtc,
state->crtc_states[i]);
if (state->crtcs[i].commit) {
kfree(state->crtcs[i].commit->event);
state->crtcs[i].commit->event = NULL;
drm_crtc_commit_put(state->crtcs[i].commit);
if (state->crtc_commits[i]) {
kfree(state->crtc_commits[i]->event);
state->crtc_commits[i]->event = NULL;
drm_crtc_commit_put(state->crtc_commits[i]);
}
state->crtcs[i].commit = NULL;
state->crtc_commits[i] = NULL;
state->crtcs[i] = NULL;
state->crtc_states[i] = NULL;
}

35
drivers/gpu/drm/drm_atomic_helper.c
View File

@@ -1062,7 +1062,7 @@ int drm_atomic_helper_commit(struct drm_device *dev,
if (async)
return -EBUSY;
ret = drm_atomic_helper_setup_commit(state, nonblock);
ret = drm_atomic_helper_setup_commit(state, async);
if (ret)
return ret;
@@ -1193,8 +1193,8 @@ static int stall_checks(struct drm_crtc *crtc, bool nonblock)
ret = wait_for_completion_interruptible_timeout(&commit->cleanup_done,
10*HZ);
if (ret == 0)
DRM_ERROR("[CRTC:%d:%s] cleanup_done timed out\n",
crtc->base.id, crtc->name);
DRM_ERROR("[CRTC:%d] cleanup_done timed out\n",
crtc->base.id);
drm_crtc_commit_put(stall_commit);
@@ -1263,7 +1263,7 @@ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state,
kref_init(&commit->ref);
commit->crtc = crtc;
state->crtcs[i].commit = commit;
state->crtc_commits[i] = commit;
ret = stall_checks(crtc, nonblock);
if (ret)
@@ -1349,16 +1349,16 @@ void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state)
ret = wait_for_completion_timeout(&commit->hw_done,
10*HZ);
if (ret == 0)
DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n",
crtc->base.id, crtc->name);
DRM_ERROR("[CRTC:%d] hw_done timed out\n",
crtc->base.id);
/* Currently no support for overwriting flips, hence
* stall for previous one to execute completely. */
ret = wait_for_completion_timeout(&commit->flip_done,
10*HZ);
if (ret == 0)
DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n",
crtc->base.id, crtc->name);
DRM_ERROR("[CRTC:%d] flip_done timed out\n",
crtc->base.id);
drm_crtc_commit_put(commit);
}
@@ -1388,7 +1388,7 @@ void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state)
int i;
for_each_crtc_in_state(state, crtc, crtc_state, i) {
commit = state->crtcs[i].commit;
commit = state->crtc_commits[i];
if (!commit)
continue;
@@ -1421,7 +1421,7 @@ void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state)
long ret;
for_each_crtc_in_state(state, crtc, crtc_state, i) {
commit = state->crtcs[i].commit;
commit = state->crtc_commits[i];
if (WARN_ON(!commit))
continue;
@@ -1446,8 +1446,8 @@ void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state)
ret = wait_for_completion_timeout(&commit->flip_done,
10*HZ);
if (ret == 0)
DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n",
crtc->base.id, crtc->name);
DRM_ERROR("[CRTC:%d] flip_done timed out\n",
crtc->base.id);
spin_lock(&crtc->commit_lock);
list_del(&commit->commit_entry);
@@ -1750,6 +1750,7 @@ void drm_atomic_helper_swap_state(struct drm_device *dev,
struct drm_plane *plane;
struct drm_plane_state *plane_state;
struct drm_crtc_commit *commit;
bool stall = true;
if (stall) {
for_each_crtc_in_state(state, crtc, crtc_state, i) {
@@ -1766,8 +1767,8 @@ void drm_atomic_helper_swap_state(struct drm_device *dev,
ret = wait_for_completion_timeout(&commit->hw_done,
10*HZ);
if (ret == 0)
DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n",
crtc->base.id, crtc->name);
DRM_ERROR("[CRTC:%d] hw_done timed out\n",
crtc->base.id);
drm_crtc_commit_put(commit);
}
}
@@ -1783,13 +1784,13 @@ void drm_atomic_helper_swap_state(struct drm_device *dev,
swap(state->crtc_states[i], crtc->state);
crtc->state->state = NULL;
if (state->crtcs[i].commit) {
if (state->crtc_commits[i]) {
spin_lock(&crtc->commit_lock);
list_add(&state->crtcs[i].commit->commit_entry,
list_add(&state->crtc_commits[i]->commit_entry,
&crtc->commit_list);
spin_unlock(&crtc->commit_lock);
state->crtcs[i].commit->event = NULL;
state->crtc_commits[i]->event = NULL;
}
}

5
drivers/gpu/drm/drm_fops.c
View File

@@ -664,6 +664,11 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e)
e->completion = NULL;
}
if (!e->file_priv) {
kfree(e);
return;
}
list_add_tail(&e->link,
&e->file_priv->event_list);
wake_up_interruptible(&e->file_priv->event_wait);

1
include/drm/drm_crtc.h
View File

@@ -1383,6 +1383,7 @@ struct drm_atomic_state {
struct drm_plane **planes;
struct drm_plane_state **plane_states;
struct drm_crtc **crtcs;
struct drm_crtc_commit **crtc_commits;
struct drm_crtc_state **crtc_states;
int num_connector;
struct drm_connector **connectors;