diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:38:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:38:54 +0200 |
| commit | 07ccdcd34ac39ddecb8ccd00e5f03d76e9be8881 (patch) | |
| tree | ffd8a0ffd6d803e5fa78c115a83b7dcd3c246d7c /drivers/gpu/drm/drm_atomic.c | |
| parent | 3c8fad9183ab7b3b3471fd2bb3d604104dd447cb (diff) | |
| parent | fa3a9f5744a92c0d7856d4e326c8d920d1d31116 (diff) | |
| download | lwn-07ccdcd34ac39ddecb8ccd00e5f03d76e9be8881.tar.gz lwn-07ccdcd34ac39ddecb8ccd00e5f03d76e9be8881.zip | |
Merge branch 'linus' into x86/apic, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.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); |