[PATCH 6/8] drm: Nuke drm_atomic_helper_connector_set_property

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It's dead code, the core handles all this directly now. This also
allows us to unexport drm_atomic_helper_connector_set_property.

The only special case is nouveau which used one function for both
pre-nv50 legacy modeset code and post-nv50 atomic world instead of 2
vtables. But amounts to exactly the same.

What is rather strange here is how few drivers set this up, I suspect
the earlier patch to handle properties in the core did end up fixing a
pile of possible issues.

Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
Cc: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
Cc: Vincent Abriou <vincent.abriou@xxxxxx>
Cc: Eric Anholt <eric@xxxxxxxxxx>
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: nouveau@xxxxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/drm_atomic.c                |  3 +-
 drivers/gpu/drm/drm_atomic_helper.c         | 55 -----------------------------
 drivers/gpu/drm/i915/intel_crt.c            |  1 -
 drivers/gpu/drm/i915/intel_dp.c             |  1 -
 drivers/gpu/drm/i915/intel_dp_mst.c         |  1 -
 drivers/gpu/drm/i915/intel_dsi.c            |  1 -
 drivers/gpu/drm/i915/intel_dvo.c            |  1 -
 drivers/gpu/drm/i915/intel_hdmi.c           |  1 -
 drivers/gpu/drm/i915/intel_lvds.c           |  1 -
 drivers/gpu/drm/i915/intel_sdvo.c           |  1 -
 drivers/gpu/drm/i915/intel_tv.c             |  1 -
 drivers/gpu/drm/nouveau/nouveau_connector.c |  3 --
 drivers/gpu/drm/nouveau/nv50_display.c      |  1 -
 drivers/gpu/drm/sti/sti_hdmi.c              |  1 -
 drivers/gpu/drm/vc4/vc4_vec.c               |  1 -
 include/drm/drm_atomic.h                    |  3 --
 include/drm/drm_atomic_helper.h             |  3 --
 17 files changed, 1 insertion(+), 78 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 395438a7a576..306fdca92abf 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1144,7 +1144,7 @@ EXPORT_SYMBOL(drm_atomic_get_connector_state);
  * RETURNS:
  * Zero on success, error code on failure
  */
-int drm_atomic_connector_set_property(struct drm_connector *connector,
+static int drm_atomic_connector_set_property(struct drm_connector *connector,
 		struct drm_connector_state *state, struct drm_property *property,
 		uint64_t val)
 {
@@ -1211,7 +1211,6 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
 
 	return 0;
 }
-EXPORT_SYMBOL(drm_atomic_connector_set_property);
 
 static void drm_atomic_connector_print_state(struct drm_printer *p,
 		const struct drm_connector_state *state)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 0482e39a7889..1ca0dcca6230 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2967,61 +2967,6 @@ int drm_atomic_helper_resume(struct drm_device *dev,
 }
 EXPORT_SYMBOL(drm_atomic_helper_resume);
 
-/**
- * drm_atomic_helper_connector_set_property - helper for connector properties
- * @connector: DRM connector
- * @property: DRM property
- * @val: value of property
- *
- * Provides a default connector set_property handler using the atomic driver
- * interface.
- *
- * RETURNS:
- * Zero on success, error code on failure
- */
-int
-drm_atomic_helper_connector_set_property(struct drm_connector *connector,
-				    struct drm_property *property,
-				    uint64_t val)
-{
-	struct drm_atomic_state *state;
-	struct drm_connector_state *connector_state;
-	int ret = 0;
-
-	state = drm_atomic_state_alloc(connector->dev);
-	if (!state)
-		return -ENOMEM;
-
-	/* ->set_property is always called with all locks held. */
-	state->acquire_ctx = connector->dev->mode_config.acquire_ctx;
-retry:
-	connector_state = drm_atomic_get_connector_state(state, connector);
-	if (IS_ERR(connector_state)) {
-		ret = PTR_ERR(connector_state);
-		goto fail;
-	}
-
-	ret = drm_atomic_connector_set_property(connector, connector_state,
-			property, val);
-	if (ret)
-		goto fail;
-
-	ret = drm_atomic_commit(state);
-fail:
-	if (ret == -EDEADLK)
-		goto backoff;
-
-	drm_atomic_state_put(state);
-	return ret;
-
-backoff:
-	drm_atomic_state_clear(state);
-	drm_atomic_legacy_backoff(state);
-
-	goto retry;
-}
-EXPORT_SYMBOL(drm_atomic_helper_connector_set_property);
-
 static int page_flip_common(struct drm_atomic_state *state,
 			    struct drm_crtc *crtc,
 			    struct drm_framebuffer *fb,
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 84a1f5e85153..84c3a6dc7c2a 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -807,7 +807,6 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = {
 	.late_register = intel_connector_register,
 	.early_unregister = intel_connector_unregister,
 	.destroy = intel_crt_destroy,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
 };
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2d42d09428c9..19b082ea57ef 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -5010,7 +5010,6 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.force = intel_dp_force,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_get_property = intel_digital_connector_atomic_get_property,
 	.atomic_set_property = intel_digital_connector_atomic_set_property,
 	.late_register = intel_dp_connector_register,
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index e4ea968b1d6b..59a6dfd48ed4 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -349,7 +349,6 @@ static const struct drm_connector_funcs intel_dp_mst_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_dp_mst_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.late_register = intel_connector_register,
 	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dp_mst_connector_destroy,
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 50ec836da8b1..375e7cfcf207 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -1658,7 +1658,6 @@ static const struct drm_connector_funcs intel_dsi_connector_funcs = {
 	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dsi_connector_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_get_property = intel_digital_connector_atomic_get_property,
 	.atomic_set_property = intel_digital_connector_atomic_set_property,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index c1544a53095d..6b1970542911 100644
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -350,7 +350,6 @@ static const struct drm_connector_funcs intel_dvo_connector_funcs = {
 	.early_unregister = intel_connector_unregister,
 	.destroy = intel_dvo_destroy,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
 };
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 5609976539bf..3074190b9455 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1765,7 +1765,6 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
 	.detect = intel_hdmi_detect,
 	.force = intel_hdmi_force,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_get_property = intel_digital_connector_atomic_get_property,
 	.atomic_set_property = intel_digital_connector_atomic_set_property,
 	.late_register = intel_connector_register,
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 6fe5d7c3bc23..6579299f5d00 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -598,7 +598,6 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_lvds_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_get_property = intel_digital_connector_atomic_get_property,
 	.atomic_set_property = intel_digital_connector_atomic_set_property,
 	.late_register = intel_connector_register,
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index e58a47db9a9d..a8eee1984ddf 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2196,7 +2196,6 @@ static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = intel_sdvo_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_get_property = intel_sdvo_connector_atomic_get_property,
 	.atomic_set_property = intel_sdvo_connector_atomic_set_property,
 	.late_register = intel_sdvo_connector_register,
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 784df024e230..e4ef2919b682 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1411,7 +1411,6 @@ static const struct drm_connector_funcs intel_tv_connector_funcs = {
 	.late_register = intel_connector_register,
 	.early_unregister = intel_connector_unregister,
 	.destroy = intel_tv_destroy,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index dab78c660dd6..2468e81918fd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -770,9 +770,6 @@ nouveau_connector_set_property(struct drm_connector *connector,
 	struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
 	int ret;
 
-	if (drm_drv_uses_atomic_modeset(connector->dev))
-		return drm_atomic_helper_connector_set_property(connector, property, value);
-
 	ret = connector->funcs->atomic_set_property(&nv_connector->base,
 						    &asyc->state,
 						    property, value);
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index e2029f05bf7b..80a96eb08bbf 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -3122,7 +3122,6 @@ nv50_mstc = {
 	.reset = nouveau_conn_reset,
 	.detect = nv50_mstc_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.destroy = nv50_mstc_destroy,
 	.atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
 	.atomic_destroy_state = nouveau_conn_atomic_destroy_state,
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index dbc6a195d6f9..21f11dfae472 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -1118,7 +1118,6 @@ static const struct drm_connector_funcs sti_hdmi_connector_funcs = {
 	.detect = sti_hdmi_connector_detect,
 	.destroy = drm_connector_cleanup,
 	.reset = drm_atomic_helper_connector_reset,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.atomic_set_property = sti_hdmi_connector_set_property,
 	.atomic_get_property = sti_hdmi_connector_get_property,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
index 09c1e05765fa..369fea5a13a1 100644
--- a/drivers/gpu/drm/vc4/vc4_vec.c
+++ b/drivers/gpu/drm/vc4/vc4_vec.c
@@ -369,7 +369,6 @@ static const struct drm_connector_funcs vc4_vec_connector_funcs = {
 	.dpms = drm_atomic_helper_connector_dpms,
 	.detect = vc4_vec_connector_detect,
 	.fill_modes = drm_helper_probe_single_connector_modes,
-	.set_property = drm_atomic_helper_connector_set_property,
 	.destroy = vc4_vec_connector_destroy,
 	.reset = drm_atomic_helper_connector_reset,
 	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 1f6a2c768e4b..fccc09d5f2b3 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -318,9 +318,6 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
 struct drm_connector_state * __must_check
 drm_atomic_get_connector_state(struct drm_atomic_state *state,
 			       struct drm_connector *connector);
-int drm_atomic_connector_set_property(struct drm_connector *connector,
-		struct drm_connector_state *state, struct drm_property *property,
-		uint64_t val);
 
 void drm_atomic_private_obj_init(struct drm_private_obj *obj,
 				 struct drm_private_state *state,
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index a62aeb816dd8..619089a027ec 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -124,9 +124,6 @@ int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state,
 int drm_atomic_helper_resume(struct drm_device *dev,
 			     struct drm_atomic_state *state);
 
-int drm_atomic_helper_connector_set_property(struct drm_connector *connector,
-					struct drm_property *property,
-					uint64_t val);
 int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
-- 
2.13.3

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