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drm/atomic: Move drm_crtc_commit to drm_crtc_state, v4.

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Most code only cares about the current commit or previous commit.
Fortuantely we already have a place to track those. Move it to
drm_crtc_state where it belongs. :)

The per-crtc commit_list is kept for places where we have to look
deeper than the current or previous commit for checking whether to stall
on unpin. This is used in drm_atomic_helper_setup_commit and
intel_has_pending_fb_unpin.

Changes since v1:
- Update kerneldoc for drm_crtc.commit_list. (danvet)
Changes since v2:
- Remove drm_atomic_helper_async_check hunk. (pinchartl)
Changes since v3:
- Fix use-after-free in drm_atomic_helper_commit_cleanup_done().

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170904150456.31049-1-maarten.lankhorst@linux.intel.com
[mlankhorst: preceeding -> preceding (checkpatch)]
This commit is contained in:
Maarten Lankhorst
2017-09-04 17:04:56 +02:00
parent f46640b931
commit 163bcc2c74
4 changed files with 54 additions and 59 deletions
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7
drivers/gpu/drm/drm_atomic.c
View File

@@ -163,13 +163,6 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
crtc->funcs->atomic_destroy_state(crtc,
state->crtcs[i].state);
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);
}
state->crtcs[i].commit = NULL;
state->crtcs[i].ptr = NULL;
state->crtcs[i].state = NULL;
}