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Revert "drm: Resurrect atomic rmfb code, v3"

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This reverts commit 1592364de3.

This apparantly causes some regressions so pull it out for now.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2017-02-17 12:38:46 +10:00
parent 08293fe8d3
commit 9ca70356a9
3 changed files with 0 additions and 114 deletions
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106
drivers/gpu/drm/drm_atomic.c
View File

@ -2046,112 +2046,6 @@ static void complete_crtc_signaling(struct drm_device *dev,
kfree(fence_state);
}
int drm_atomic_remove_fb(struct drm_framebuffer *fb)
{
struct drm_modeset_acquire_ctx ctx;
struct drm_device *dev = fb->dev;
struct drm_atomic_state *state;
struct drm_plane *plane;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
int i, ret = 0;
unsigned plane_mask, disable_crtcs = false;
state = drm_atomic_state_alloc(dev);
if (!state)
return -ENOMEM;
drm_modeset_acquire_init(&ctx, 0);
state->acquire_ctx = &ctx;
retry:
plane_mask = 0;
ret = drm_modeset_lock_all_ctx(dev, &ctx);
if (ret)
goto unlock;
drm_for_each_plane(plane, dev) {
struct drm_plane_state *plane_state;
if (plane->state->fb != fb)
continue;
plane_state = drm_atomic_get_plane_state(state, plane);
if (IS_ERR(plane_state)) {
ret = PTR_ERR(plane_state);
goto unlock;
}
/*
* Some drivers do not support keeping crtc active with the
* primary plane disabled. If we fail to commit with -EINVAL
* then we will try to perform the same commit but with all
* crtc's disabled for primary planes as well.
*/
if (disable_crtcs && plane_state->crtc->primary == plane) {
struct drm_crtc_state *crtc_state;
crtc_state = drm_atomic_get_existing_crtc_state(state, plane_state->crtc);
ret = drm_atomic_add_affected_connectors(state, plane_state->crtc);
if (ret)
goto unlock;
crtc_state->active = false;
ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
if (ret)
goto unlock;
}
drm_atomic_set_fb_for_plane(plane_state, NULL);
ret = drm_atomic_set_crtc_for_plane(plane_state, NULL);
if (ret)
goto unlock;
plane_mask |= BIT(drm_plane_index(plane));
plane->old_fb = plane->fb;
}
/* This list is only not empty when disable_crtcs is set. */
for_each_connector_in_state(state, conn, conn_state, i) {
ret = drm_atomic_set_crtc_for_connector(conn_state, NULL);
if (ret)
goto unlock;
}
if (plane_mask)
ret = drm_atomic_commit(state);
unlock:
if (plane_mask)
drm_atomic_clean_old_fb(dev, plane_mask, ret);
if (ret == -EDEADLK) {
drm_modeset_backoff(&ctx);
goto retry;
}
drm_atomic_state_put(state);
if (ret == -EINVAL && !disable_crtcs) {
disable_crtcs = true;
state = drm_atomic_state_alloc(dev);
if (state) {
state->acquire_ctx = &ctx;
goto retry;
}
ret = -ENOMEM;
}
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
return ret;
}
int drm_mode_atomic_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv)
{

1
drivers/gpu/drm/drm_crtc_internal.h
View File

@ -183,7 +183,6 @@ int drm_atomic_get_property(struct drm_mode_object *obj,
struct drm_property *property, uint64_t *val);
int drm_mode_atomic_ioctl(struct drm_device *dev,
void *data, struct drm_file *file_priv);
int drm_atomic_remove_fb(struct drm_framebuffer *fb);
/* drm_plane.c */

7
drivers/gpu/drm/drm_framebuffer.c
View File

@ -773,12 +773,6 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb)
* in this manner.
*/
if (drm_framebuffer_read_refcount(fb) > 1) {
if (drm_drv_uses_atomic_modeset(dev)) {
int ret = drm_atomic_remove_fb(fb);
WARN(ret, "atomic remove_fb failed with %i\n", ret);
goto out;
}
drm_modeset_lock_all(dev);
/* remove from any CRTC */
drm_for_each_crtc(crtc, dev) {
@ -796,7 +790,6 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb)
drm_modeset_unlock_all(dev);
}
out:
drm_framebuffer_unreference(fb);
}
EXPORT_SYMBOL(drm_framebuffer_remove);