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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 18:19:21 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-04 18:19:21 +0300 |
| commit | c318a821b9828ef3be97d5d896d146e7daa43c86 (patch) | |
| tree | 7ed40911ffebcbabf87ec4be692f6fb154053687 /drivers/gpu/drm/drm_atomic.c | |
| parent | 322832f2f19e04c866a0ce4bdac8cff8e695f2b3 (diff) | |
| parent | a99cde438de0c4c0cecc1d1af1a55a75b10bfdef (diff) | |
| download | linux-c318a821b9828ef3be97d5d896d146e7daa43c86.tar.xz | |
Merge 4.7-rc6 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index c204ef32df16..9bb99e274d23 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1296,14 +1296,39 @@ EXPORT_SYMBOL(drm_atomic_add_affected_planes); */ void drm_atomic_legacy_backoff(struct drm_atomic_state *state) { + struct drm_device *dev = state->dev; + unsigned crtc_mask = 0; + struct drm_crtc *crtc; int ret; + bool global = false; + + drm_for_each_crtc(crtc, dev) { + if (crtc->acquire_ctx != state->acquire_ctx) + continue; + + crtc_mask |= drm_crtc_mask(crtc); + crtc->acquire_ctx = NULL; + } + + if (WARN_ON(dev->mode_config.acquire_ctx == state->acquire_ctx)) { + global = true; + + dev->mode_config.acquire_ctx = NULL; + } retry: drm_modeset_backoff(state->acquire_ctx); - ret = drm_modeset_lock_all_ctx(state->dev, state->acquire_ctx); + ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx); if (ret) goto retry; + + drm_for_each_crtc(crtc, dev) + if (drm_crtc_mask(crtc) & crtc_mask) + crtc->acquire_ctx = state->acquire_ctx; + + if (global) + dev->mode_config.acquire_ctx = state->acquire_ctx; } EXPORT_SYMBOL(drm_atomic_legacy_backoff); |