We use the same check already in the atomic core, so might as well
make this official. And it's also reused in e.g. i915.
Motivated by Maarten's idea to extract a connector_changed state out
of mode_changed.
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
---
drivers/gpu/drm/drm_atomic.c | 3 +--
drivers/gpu/drm/drm_atomic_helper.c | 16 +++++-----------
include/drm/drm_atomic.h | 6 ++++++
3 files changed, 12 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index c7e59b074e62..f6f2fb58eb37 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1216,8 +1216,7 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
if (!state->allow_modeset) {
for_each_crtc_in_state(state, crtc, crtc_state, i) {
- if (crtc_state->mode_changed ||
- crtc_state->active_changed) {
+ if (drm_atomic_crtc_needs_modeset(crtc_state)) {
DRM_DEBUG_ATOMIC("[CRTC:%d] requires full
modeset\n",
crtc->base.id);
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_atomic_helper.c
b/drivers/gpu/drm/drm_atomic_helper.c
index 536ae4da4665..b06a607db6c2 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -331,12 +331,6 @@ mode_fixup(struct drm_atomic_state *state)
return 0;
}
-static bool
-needs_modeset(struct drm_crtc_state *state)
-{
- return state->mode_changed || state->active_changed;
-}
-
/**
* drm_atomic_helper_check_modeset - validate state object for modeset changes
* @dev: DRM device
@@ -414,7 +408,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
crtc_state->active_changed = true;
}
- if (!needs_modeset(crtc_state))
+ if (!drm_atomic_crtc_needs_modeset(crtc_state))
continue;
DRM_DEBUG_ATOMIC("[CRTC:%d] needs all connectors, enable: %c,
active: %c\n",
@@ -564,7 +558,7 @@ disable_outputs(struct drm_device *dev, struct
drm_atomic_state *old_state)
old_crtc_state =
old_state->crtc_states[drm_crtc_index(old_conn_state->crtc)];
if (!old_crtc_state->active ||
- !needs_modeset(old_conn_state->crtc->state))
+ !drm_atomic_crtc_needs_modeset(old_conn_state->crtc->state))
continue;
encoder = old_conn_state->best_encoder;
@@ -601,7 +595,7 @@ disable_outputs(struct drm_device *dev, struct
drm_atomic_state *old_state)
const struct drm_crtc_helper_funcs *funcs;
/* Shut down everything that needs a full modeset. */
- if (!needs_modeset(crtc->state))
+ if (!drm_atomic_crtc_needs_modeset(crtc->state))
continue;
if (!old_crtc_state->active)
@@ -792,7 +786,7 @@ void drm_atomic_helper_commit_modeset_enables(struct
drm_device *dev,
const struct drm_crtc_helper_funcs *funcs;
/* Need to filter out CRTCs where only planes change. */
- if (!needs_modeset(crtc->state))
+ if (!drm_atomic_crtc_needs_modeset(crtc->state))
continue;
if (!crtc->state->active)
@@ -819,7 +813,7 @@ void drm_atomic_helper_commit_modeset_enables(struct
drm_device *dev,
continue;
if (!connector->state->crtc->state->active ||
- !needs_modeset(connector->state->crtc->state))
+
!drm_atomic_crtc_needs_modeset(connector->state->crtc->state))
continue;
encoder = connector->state->best_encoder;
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 1bbfedf466b9..8a3a913320eb 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -163,5 +163,11 @@ int __must_check drm_atomic_async_commit(struct
drm_atomic_state *state);
(plane_state) = (state)->plane_states[__i], 1); \
(__i)++) \
if (plane_state)
+static inline bool
+drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
+{
+ return state->mode_changed || state->active_changed;
+}
+
#endif /* DRM_ATOMIC_H_ */
--
2.1.4
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