drm: Drop crtc argument from __drm_atomic_helper_crtc_destroy_state

It's unused, and really this helper should only look at the state
structure and nothing else.

v2: Rebase on top of rockchip changes

v3: Drop unrelated hunk, spotted by Laurent.

v4: Rebase onto mtk driver merge.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462804451-15318-1-git-send-email-daniel.vetter@ffwll.ch

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c

@@ -430,7 +430,7 @@ static void atmel_hlcdc_crtc_destroy_state(struct drm_crtc *crtc,
 	struct atmel_hlcdc_crtc_state *state;
 
 	state = drm_crtc_state_to_atmel_hlcdc_crtc_state(s);
-	__drm_atomic_helper_crtc_destroy_state(crtc, s);
+	__drm_atomic_helper_crtc_destroy_state(s);
 	kfree(state);
 }
 

drivers/gpu/drm/drm_atomic_helper.c

@@ -2530,7 +2530,7 @@ EXPORT_SYMBOL(drm_atomic_helper_best_encoder);
 void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc)
 {
 	if (crtc->state)
-		__drm_atomic_helper_crtc_destroy_state(crtc, crtc->state);
+		__drm_atomic_helper_crtc_destroy_state(crtc->state);
 
 	kfree(crtc->state);
 	crtc->state = kzalloc(sizeof(*crtc->state), GFP_KERNEL);
@@ -2595,15 +2595,13 @@ EXPORT_SYMBOL(drm_atomic_helper_crtc_duplicate_state);
 
 /**
  * __drm_atomic_helper_crtc_destroy_state - release CRTC state
- * @crtc: CRTC object
  * @state: CRTC state object to release
  *
  * Releases all resources stored in the CRTC state without actually freeing
  * the memory of the CRTC state. This is useful for drivers that subclass the
  * CRTC state.
  */
-void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
-					    struct drm_crtc_state *state)
+void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state)
 {
 	drm_property_unreference_blob(state->mode_blob);
 	drm_property_unreference_blob(state->degamma_lut);
@@ -2623,7 +2621,7 @@ EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state);
 void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
 					  struct drm_crtc_state *state)
 {
-	__drm_atomic_helper_crtc_destroy_state(crtc, state);
+	__drm_atomic_helper_crtc_destroy_state(state);
 	kfree(state);
 }
 EXPORT_SYMBOL(drm_atomic_helper_crtc_destroy_state);

drivers/gpu/drm/i915/intel_display.c

@@ -12924,7 +12924,7 @@ verify_crtc_state(struct drm_crtc *crtc,
 	bool active;
 
 	old_state = old_crtc_state->state;
-	__drm_atomic_helper_crtc_destroy_state(crtc, old_crtc_state);
+	__drm_atomic_helper_crtc_destroy_state(old_crtc_state);
 	pipe_config = to_intel_crtc_state(old_crtc_state);
 	memset(pipe_config, 0, sizeof(*pipe_config));
 	pipe_config->base.crtc = crtc;
@@ -15760,7 +15760,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 		struct intel_crtc_state *crtc_state = crtc->config;
 		int pixclk = 0;
 
-		__drm_atomic_helper_crtc_destroy_state(&crtc->base, &crtc_state->base);
+		__drm_atomic_helper_crtc_destroy_state(&crtc_state->base);
 		memset(crtc_state, 0, sizeof(*crtc_state));
 		crtc_state->base.crtc = &crtc->base;
 

drivers/gpu/drm/mediatek/mtk_drm_crtc.c

@@ -146,7 +146,7 @@ static struct drm_crtc_state *mtk_drm_crtc_duplicate_state(struct drm_crtc *crtc
 static void mtk_drm_crtc_destroy_state(struct drm_crtc *crtc,
 				       struct drm_crtc_state *state)
 {
-	__drm_atomic_helper_crtc_destroy_state(crtc, state);
+	__drm_atomic_helper_crtc_destroy_state(state);
 	kfree(to_mtk_crtc_state(state));
 }
 

drivers/gpu/drm/rockchip/rockchip_drm_vop.c

@@ -1065,7 +1065,7 @@ static void vop_crtc_destroy_state(struct drm_crtc *crtc,
 {
 	struct rockchip_crtc_state *s = to_rockchip_crtc_state(state);
 
-	__drm_atomic_helper_crtc_destroy_state(crtc, &s->base);
+	__drm_atomic_helper_crtc_destroy_state(&s->base);
 	kfree(s);
 }
 

drivers/gpu/drm/tegra/dc.c

@@ -998,7 +998,7 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
 	struct tegra_dc_state *state;
 
 	if (crtc->state)
-		__drm_atomic_helper_crtc_destroy_state(crtc, crtc->state);
+		__drm_atomic_helper_crtc_destroy_state(crtc->state);
 
 	kfree(crtc->state);
 	crtc->state = NULL;
@@ -1034,7 +1034,7 @@ tegra_crtc_atomic_duplicate_state(struct drm_crtc *crtc)
 static void tegra_crtc_atomic_destroy_state(struct drm_crtc *crtc,
 					    struct drm_crtc_state *state)
 {
-	__drm_atomic_helper_crtc_destroy_state(crtc, state);
+	__drm_atomic_helper_crtc_destroy_state(state);
 	kfree(state);
 }
 

drivers/gpu/drm/vc4/vc4_crtc.c

@@ -650,7 +650,7 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc,
 
 	}
 
-	__drm_atomic_helper_crtc_destroy_state(crtc, state);
+	__drm_atomic_helper_crtc_destroy_state(state);
 }
 
 static const struct drm_crtc_funcs vc4_crtc_funcs = {

include/drm/drm_atomic_helper.h

@@ -119,8 +119,7 @@ void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
 					      struct drm_crtc_state *state);
 struct drm_crtc_state *
 drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc);
-void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
-					    struct drm_crtc_state *state);
+void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state);
 void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
 					  struct drm_crtc_state *state);