disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
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@@ -1,14 +1,10 @@
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+/* SPDX-License-Identifier: GPL-2.0+ */
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 /*
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  * rcar_du_crtc.h  --  R-Car Display Unit CRTCs
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  *
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  * Copyright (C) 2013-2015 Renesas Electronics Corporation
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  *
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  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #ifndef __RCAR_DU_CRTC_H__
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@@ -18,8 +14,8 @@
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 #include <linux/spinlock.h>
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 #include <linux/wait.h>
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-#include <drm/drmP.h>
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 #include <drm/drm_crtc.h>
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+#include <drm/drm_writeback.h>
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 #include <media/vsp1.h>
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@@ -29,30 +25,36 @@
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 /**
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  * struct rcar_du_crtc - the CRTC, representing a DU superposition processor
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  * @crtc: base DRM CRTC
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+ * @dev: the DU device
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  * @clock: the CRTC functional clock
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  * @extclock: external pixel dot clock (optional)
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  * @mmio_offset: offset of the CRTC registers in the DU MMIO block
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- * @index: CRTC software and hardware index
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+ * @index: CRTC hardware index
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  * @initialized: whether the CRTC has been initialized and clocks enabled
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+ * @dsysr: cached value of the DSYSR register
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  * @vblank_enable: whether vblank events are enabled on this CRTC
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  * @event: event to post when the pending page flip completes
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  * @flip_wait: wait queue used to signal page flip completion
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  * @vblank_lock: protects vblank_wait and vblank_count
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  * @vblank_wait: wait queue used to signal vertical blanking
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  * @vblank_count: number of vertical blanking interrupts to wait for
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- * @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC
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  * @group: CRTC group this CRTC belongs to
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+ * @cmm: CMM associated with this CRTC
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  * @vsp: VSP feeding video to this CRTC
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  * @vsp_pipe: index of the VSP pipeline feeding video to this CRTC
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+ * @writeback: the writeback connector
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  */
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 struct rcar_du_crtc {
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 	struct drm_crtc crtc;
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+	struct rcar_du_device *dev;
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 	struct clk *clock;
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 	struct clk *extclock;
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 	unsigned int mmio_offset;
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 	unsigned int index;
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 	bool initialized;
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+
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+	u32 dsysr;
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 	bool vblank_enable;
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 	struct drm_pending_vblank_event *event;
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@@ -62,24 +64,31 @@
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 	wait_queue_head_t vblank_wait;
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 	unsigned int vblank_count;
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-	unsigned int outputs;
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-
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 	struct rcar_du_group *group;
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+	struct platform_device *cmm;
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 	struct rcar_du_vsp *vsp;
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 	unsigned int vsp_pipe;
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+
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+	const char *const *sources;
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+	unsigned int sources_count;
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+
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+	struct drm_writeback_connector writeback;
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 };
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-#define to_rcar_crtc(c)	container_of(c, struct rcar_du_crtc, crtc)
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+#define to_rcar_crtc(c)		container_of(c, struct rcar_du_crtc, crtc)
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+#define wb_to_rcar_crtc(c)	container_of(c, struct rcar_du_crtc, writeback)
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 /**
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  * struct rcar_du_crtc_state - Driver-specific CRTC state
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  * @state: base DRM CRTC state
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  * @crc: CRC computation configuration
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+ * @outputs: bitmask of the outputs (enum rcar_du_output) driven by this CRTC
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  */
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 struct rcar_du_crtc_state {
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 	struct drm_crtc_state state;
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 	struct vsp1_du_crc_config crc;
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+	unsigned int outputs;
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 };
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 #define to_rcar_crtc_state(s) container_of(s, struct rcar_du_crtc_state, state)
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@@ -97,11 +106,9 @@
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 int rcar_du_crtc_create(struct rcar_du_group *rgrp, unsigned int swindex,
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 			unsigned int hwindex);
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-void rcar_du_crtc_suspend(struct rcar_du_crtc *rcrtc);
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-void rcar_du_crtc_resume(struct rcar_du_crtc *rcrtc);
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-void rcar_du_crtc_route_output(struct drm_crtc *crtc,
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-			       enum rcar_du_output output);
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 void rcar_du_crtc_finish_page_flip(struct rcar_du_crtc *rcrtc);
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+void rcar_du_crtc_dsysr_clr_set(struct rcar_du_crtc *rcrtc, u32 clr, u32 set);
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+
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 #endif /* __RCAR_DU_CRTC_H__ */