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path: root/drivers/gpu/drm/drm_atomic_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 5e906ea6df67..d91d6c063a1d 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -445,8 +445,9 @@ mode_fixup(struct drm_atomic_state *state)
encoder = new_conn_state->best_encoder;
funcs = encoder->helper_private;
- ret = drm_bridge_mode_fixup(encoder->bridge, &new_crtc_state->mode,
- &new_crtc_state->adjusted_mode);
+ ret = drm_bridge_chain_mode_fixup(encoder->bridge,
+ &new_crtc_state->mode,
+ &new_crtc_state->adjusted_mode);
if (!ret) {
DRM_DEBUG_ATOMIC("Bridge fixup failed\n");
return -EINVAL;
@@ -511,7 +512,7 @@ static enum drm_mode_status mode_valid_path(struct drm_connector *connector,
return ret;
}
- ret = drm_bridge_mode_valid(encoder->bridge, mode);
+ ret = drm_bridge_chain_mode_valid(encoder->bridge, mode);
if (ret != MODE_OK) {
DRM_DEBUG_ATOMIC("[BRIDGE] mode_valid() failed\n");
return ret;
@@ -588,6 +589,7 @@ mode_valid(struct drm_atomic_state *state)
* &drm_crtc_state.connectors_changed is set when a connector is added or
* removed from the crtc. &drm_crtc_state.active_changed is set when
* &drm_crtc_state.active changes, which is used for DPMS.
+ * &drm_crtc_state.no_vblank is set from the result of drm_dev_has_vblank().
* See also: drm_atomic_crtc_needs_modeset()
*
* IMPORTANT:
@@ -654,6 +656,11 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
return -EINVAL;
}
+
+ if (drm_dev_has_vblank(dev))
+ new_crtc_state->no_vblank = false;
+ else
+ new_crtc_state->no_vblank = true;
}
ret = handle_conflicting_encoders(state, false);
@@ -1030,7 +1037,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
* Each encoder has at most one connector (since we always steal
* it away), so we won't call disable hooks twice.
*/
- drm_atomic_bridge_disable(encoder->bridge, old_state);
+ drm_atomic_bridge_chain_disable(encoder->bridge, old_state);
/* Right function depends upon target state. */
if (funcs) {
@@ -1044,7 +1051,8 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
}
- drm_atomic_bridge_post_disable(encoder->bridge, old_state);
+ drm_atomic_bridge_chain_post_disable(encoder->bridge,
+ old_state);
}
for_each_oldnew_crtc_in_state(old_state, crtc, old_crtc_state, new_crtc_state, i) {
@@ -1078,7 +1086,16 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
continue;
ret = drm_crtc_vblank_get(crtc);
- WARN_ONCE(ret != -EINVAL, "driver forgot to call drm_crtc_vblank_off()\n");
+ /*
+ * Self-refresh is not a true "disable"; ensure vblank remains
+ * enabled.
+ */
+ if (new_crtc_state->self_refresh_active)
+ WARN_ONCE(ret != 0,
+ "driver disabled vblank in self-refresh\n");
+ else
+ WARN_ONCE(ret != -EINVAL,
+ "driver forgot to call drm_crtc_vblank_off()\n");
if (ret == 0)
drm_crtc_vblank_put(crtc);
}
@@ -1225,7 +1242,8 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
funcs->mode_set(encoder, mode, adjusted_mode);
}
- drm_bridge_mode_set(encoder->bridge, mode, adjusted_mode);
+ drm_bridge_chain_mode_set(encoder->bridge, mode,
+ adjusted_mode);
}
}
@@ -1342,7 +1360,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
* Each encoder has at most one connector (since we always steal
* it away), so we won't call enable hooks twice.
*/
- drm_atomic_bridge_pre_enable(encoder->bridge, old_state);
+ drm_atomic_bridge_chain_pre_enable(encoder->bridge, old_state);
if (funcs) {
if (funcs->atomic_enable)
@@ -1353,7 +1371,7 @@ void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
funcs->commit(encoder);
}
- drm_atomic_bridge_enable(encoder->bridge, old_state);
+ drm_atomic_bridge_chain_enable(encoder->bridge, old_state);
}
drm_atomic_helper_commit_writebacks(dev, old_state);
@@ -2202,7 +2220,9 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_dependencies);
* when a job is queued, and any change to the pipeline that does not touch the
* connector is leading to timeouts when calling
* drm_atomic_helper_wait_for_vblanks() or
- * drm_atomic_helper_wait_for_flip_done().
+ * drm_atomic_helper_wait_for_flip_done(). In addition to writeback
+ * connectors, this function can also fake VBLANK events for CRTCs without
+ * VBLANK interrupt.
*
* This is part of the atomic helper support for nonblocking commits, see
* drm_atomic_helper_setup_commit() for an overview.