openwrt/target/linux/bcm27xx/patches-5.10/950-0411-drm-vc4-hvs-Align-the-HVS-atomic-hooks-to-the-new-AP.patch

From d584fdf44b251f77cc29330d17b60be078acb440 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Mon, 7 Dec 2020 16:57:11 +0100
Subject: [PATCH] drm/vc4: hvs: Align the HVS atomic hooks to the new
 API

Since the CRTC setup in vc4 is split between the PixelValves/TXP and the
HVS, only the PV/TXP atomic hooks were updated in the previous commits, but
it makes sense to update the HVS ones too.

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_crtc.c | 4 +---
 drivers/gpu/drm/vc4/vc4_drv.h  | 4 ++--
 drivers/gpu/drm/vc4/vc4_hvs.c  | 8 +++++---
 drivers/gpu/drm/vc4/vc4_txp.c  | 8 ++------
 4 files changed, 10 insertions(+), 14 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -520,8 +520,6 @@ static void vc4_crtc_atomic_disable(stru
 static void vc4_crtc_atomic_enable(struct drm_crtc *crtc,
 				   struct drm_atomic_state *state)
 {
-	struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state,
-									 crtc);
 	struct drm_device *dev = crtc->dev;
 	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
 	struct drm_encoder *encoder = vc4_get_crtc_encoder(crtc);
@@ -534,7 +532,7 @@ static void vc4_crtc_atomic_enable(struc
 	 */
 	drm_crtc_vblank_on(crtc);
 
-	vc4_hvs_atomic_enable(crtc, old_state);
+	vc4_hvs_atomic_enable(crtc, state);
 
 	if (vc4_encoder->pre_crtc_configure)
 		vc4_encoder->pre_crtc_configure(encoder);
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -926,8 +926,8 @@ extern struct platform_driver vc4_hvs_dr
 void vc4_hvs_stop_channel(struct drm_device *dev, unsigned int output);
 int vc4_hvs_get_fifo_from_output(struct drm_device *dev, unsigned int output);
 int vc4_hvs_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state);
-void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state);
-void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state);
+void vc4_hvs_atomic_enable(struct drm_crtc *crtc, struct drm_atomic_state *state);
+void vc4_hvs_atomic_disable(struct drm_crtc *crtc, struct drm_atomic_state *state);
 void vc4_hvs_atomic_flush(struct drm_crtc *crtc,
 			  struct drm_atomic_state *state);
 void vc4_hvs_dump_state(struct drm_device *dev);
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -430,11 +430,12 @@ static void vc4_hvs_update_dlist(struct
 }
 
 void vc4_hvs_atomic_enable(struct drm_crtc *crtc,
-			   struct drm_crtc_state *old_state)
+			   struct drm_atomic_state *state)
 {
 	struct drm_device *dev = crtc->dev;
 	struct vc4_dev *vc4 = to_vc4_dev(dev);
-	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(crtc->state);
+	struct drm_crtc_state *new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(new_crtc_state);
 	struct drm_display_mode *mode = &crtc->state->adjusted_mode;
 	bool oneshot = vc4_state->feed_txp;
 
@@ -443,9 +444,10 @@ void vc4_hvs_atomic_enable(struct drm_cr
 }
 
 void vc4_hvs_atomic_disable(struct drm_crtc *crtc,
-			    struct drm_crtc_state *old_state)
+			    struct drm_atomic_state *state)
 {
 	struct drm_device *dev = crtc->dev;
+	struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state, crtc);
 	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(old_state);
 	unsigned int chan = vc4_state->assigned_channel;
 
--- a/drivers/gpu/drm/vc4/vc4_txp.c
+++ b/drivers/gpu/drm/vc4/vc4_txp.c
@@ -412,23 +412,19 @@ static int vc4_txp_atomic_check(struct d
 static void vc4_txp_atomic_enable(struct drm_crtc *crtc,
 				  struct drm_atomic_state *state)
 {
-	struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state,
-									 crtc);
 	drm_crtc_vblank_on(crtc);
-	vc4_hvs_atomic_enable(crtc, old_state);
+	vc4_hvs_atomic_enable(crtc, state);
 }
 
 static void vc4_txp_atomic_disable(struct drm_crtc *crtc,
 				   struct drm_atomic_state *state)
 {
-	struct drm_crtc_state *old_state = drm_atomic_get_old_crtc_state(state,
-									 crtc);
 	struct drm_device *dev = crtc->dev;
 
 	/* Disable vblank irq handling before crtc is disabled. */
 	drm_crtc_vblank_off(crtc);
 
-	vc4_hvs_atomic_disable(crtc, old_state);
+	vc4_hvs_atomic_disable(crtc, state);
 
 	/*
 	 * Make sure we issue a vblank event after disabling the CRTC if