add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
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@@ -1,19 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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  * Copyright (C) 2013 Red Hat
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  * Author: Rob Clark <robdclark@gmail.com>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License version 2 as published by
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- * the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __DPU_ENCODER_H__
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@@ -32,45 +21,36 @@
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 /**
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  * Encoder functions and data types
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  * @intfs:	Interfaces this encoder is using, INTF_MODE_NONE if unused
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- * @needs_cdm:	Encoder requests a CDM based on pixel format conversion needs
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- * @display_num_of_h_tiles: Number of horizontal tiles in case of split
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- *                          interface
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- * @topology:   Topology of the display
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  */
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 struct dpu_encoder_hw_resources {
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 	enum dpu_intf_mode intfs[INTF_MAX];
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-	bool needs_cdm;
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-	u32 display_num_of_h_tiles;
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-};
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-
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-/**
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- * dpu_encoder_kickoff_params - info encoder requires at kickoff
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- * @affected_displays:  bitmask, bit set means the ROI of the commit lies within
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- *                      the bounds of the physical display at the bit index
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- */
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-struct dpu_encoder_kickoff_params {
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-	unsigned long affected_displays;
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 };
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 /**
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  * dpu_encoder_get_hw_resources - Populate table of required hardware resources
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  * @encoder:	encoder pointer
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  * @hw_res:	resource table to populate with encoder required resources
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- * @conn_state:	report hw reqs based on this proposed connector state
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  */
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 void dpu_encoder_get_hw_resources(struct drm_encoder *encoder,
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-		struct dpu_encoder_hw_resources *hw_res,
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-		struct drm_connector_state *conn_state);
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+				  struct dpu_encoder_hw_resources *hw_res);
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 /**
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- * dpu_encoder_register_vblank_callback - provide callback to encoder that
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- *	will be called on the next vblank.
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+ * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to
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  * @encoder:	encoder pointer
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- * @cb:		callback pointer, provide NULL to deregister and disable IRQs
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- * @data:	user data provided to callback
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+ * @crtc:	crtc pointer
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  */
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-void dpu_encoder_register_vblank_callback(struct drm_encoder *encoder,
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-		void (*cb)(void *), void *data);
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+void dpu_encoder_assign_crtc(struct drm_encoder *encoder,
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+			     struct drm_crtc *crtc);
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+
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+/**
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+ * dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if
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+ *	the encoder is assigned to the given crtc
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+ * @encoder:	encoder pointer
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+ * @crtc:	crtc pointer
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+ * @enable:	true if vblank should be enabled
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+ */
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+void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder,
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+					struct drm_crtc *crtc, bool enable);
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 /**
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  * dpu_encoder_register_frame_event_callback - provide callback to encoder that
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@@ -88,10 +68,8 @@
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  *	Immediately: if no previous commit is outstanding.
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  *	Delayed: Block until next trigger can be issued.
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  * @encoder:	encoder pointer
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- * @params:	kickoff time parameters
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  */
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-void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder,
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-		struct dpu_encoder_kickoff_params *params);
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+void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder);
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 /**
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  * dpu_encoder_trigger_kickoff_pending - Clear the flush bits from previous
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  * @encoder:	encoder pointer
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  */
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 void dpu_encoder_kickoff(struct drm_encoder *encoder);
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+
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+/**
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+ * dpu_encoder_wakeup_time - get the time of the next vsync
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+ */
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+int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time);
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 /**
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  * dpu_encoder_wait_for_event - Waits for encoder events
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 enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder);
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 /**
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- * dpu_encoder_virt_restore - restore the encoder configs
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+ * dpu_encoder_virt_runtime_resume - pm runtime resume the encoder configs
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  * @encoder:	encoder pointer
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  */
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-void dpu_encoder_virt_restore(struct drm_encoder *encoder);
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+void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
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 /**
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  * dpu_encoder_init - initialize virtual encoder object