openwrt/target/linux/brcm2708/patches-4.14/950-0189-drm-vc4-Remove-duplicate-primary-cursor-fields-from-.patch

From cb4fe9fe655a0d6685be00e926842a25bc48b920 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 5 Feb 2018 18:22:03 +0000
Subject: [PATCH 189/454] drm/vc4: Remove duplicate primary/cursor fields from
 FKMS driver.

The CRTC has those fields and we can just use them.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 drivers/gpu/drm/vc4/vc4_firmware_kms.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -37,8 +37,6 @@ struct vc4_crtc {
 	struct drm_crtc base;
 	struct drm_encoder *encoder;
 	struct drm_connector *connector;
-	struct drm_plane *primary;
-	struct drm_plane *cursor;
 	void __iomem *regs;
 
 	struct drm_pending_vblank_event *event;
@@ -356,29 +354,24 @@ static void vc4_crtc_mode_set_nofb(struc
 
 static void vc4_crtc_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
 {
-	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-
 	/* Always turn the planes off on CRTC disable. In DRM, planes
 	 * are enabled/disabled through the update/disable hooks
 	 * above, and the CRTC enable/disable independently controls
 	 * whether anything scans out at all, but the firmware doesn't
 	 * give us a CRTC-level control for that.
 	 */
-	vc4_cursor_plane_atomic_disable(vc4_crtc->cursor,
-					vc4_crtc->cursor->state);
-	vc4_plane_set_primary_blank(vc4_crtc->primary, true);
+	vc4_cursor_plane_atomic_disable(crtc->cursor, crtc->cursor->state);
+	vc4_plane_set_primary_blank(crtc->primary, true);
 }
 
 static void vc4_crtc_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
 {
-	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-
 	/* Unblank the planes (if they're supposed to be displayed). */
-	if (vc4_crtc->primary->state->fb)
-		vc4_plane_set_primary_blank(vc4_crtc->primary, false);
-	if (vc4_crtc->cursor->state->fb) {
-		vc4_cursor_plane_atomic_update(vc4_crtc->cursor,
-					       vc4_crtc->cursor->state);
+	if (crtc->primary->state->fb)
+		vc4_plane_set_primary_blank(crtc->primary, false);
+	if (crtc->cursor->state->fb) {
+		vc4_cursor_plane_atomic_update(crtc->cursor,
+					       crtc->cursor->state);
 	}
 }
 
@@ -689,9 +682,6 @@ static int vc4_fkms_bind(struct device *
 	primary_plane->crtc = crtc;
 	cursor_plane->crtc = crtc;
 
-	vc4_crtc->primary = primary_plane;
-	vc4_crtc->cursor = cursor_plane;
-
 	vc4_encoder = devm_kzalloc(dev, sizeof(*vc4_encoder), GFP_KERNEL);
 	if (!vc4_encoder)
 		return -ENOMEM;