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Commit 65d56514 authored by Kalyan Thota's avatar Kalyan Thota
Browse files

drm:msm:sde add one-shot qsync mode support 



Add support to enable one-shot mode in qsync.

Change-Id: Icb158853f52284bcf8fa641e5f62200c5460b660
Signed-off-by: default avatarKalyan Thota <kalyant@codeaurora.org>
parent 6d4a281c

drivers/gpu/drm/msm/dsi-staging/dsi_drm.c

+10 −1
Original line number Diff line number Diff line
@@ -895,7 +895,8 @@ void dsi_conn_enable_event(struct drm_connector *connector, 
			event_idx, &event_info, enable);

}



int dsi_conn_post_kickoff(struct drm_connector *connector)

int dsi_conn_post_kickoff(struct drm_connector *connector,

	struct msm_display_kickoff_params *params)

{

	struct drm_encoder *encoder;

	struct dsi_bridge *c_bridge;
@@ -903,6 +904,7 @@ int dsi_conn_post_kickoff(struct drm_connector *connector) 
	struct dsi_display *display;

	struct dsi_display_ctrl *m_ctrl, *ctrl;

	int i, rc = 0;

	bool enable;



	if (!connector || !connector->state) {

		pr_err("invalid connector or connector state");
@@ -948,6 +950,13 @@ int dsi_conn_post_kickoff(struct drm_connector *connector) 
	/* ensure dynamic clk switch flag is reset */

	c_bridge->dsi_mode.dsi_mode_flags &= ~DSI_MODE_FLAG_DYN_CLK;



	if (params->qsync_update) {

		enable = (params->qsync_mode > 0) ? true : false;

		display_for_each_ctrl(i, display) {

			dsi_ctrl_setup_avr(display->ctrl[i].ctrl, enable);

		}

	}



	return 0;

}

drivers/gpu/drm/msm/dsi-staging/dsi_drm.h

+3 −1
Original line number Diff line number Diff line
@@ -127,9 +127,11 @@ int dsi_conn_pre_kickoff(struct drm_connector *connector, 
/**

 * dsi_display_post_kickoff - program post kickoff-time features

 * @connector: Pointer to drm connector structure

 * @params: Parameters for post kickoff programming

 * Returns: Zero on success

 */

int dsi_conn_post_kickoff(struct drm_connector *connector);

int dsi_conn_post_kickoff(struct drm_connector *connector,

		struct msm_display_kickoff_params *params);



/**

 * dsi_convert_to_drm_mode - Update drm mode with dsi mode information

drivers/gpu/drm/msm/sde/sde_connector.c

+1 −0
Original line number Diff line number Diff line
@@ -64,6 +64,7 @@ static const struct drm_prop_enum_list e_power_mode[] = { 
static const struct drm_prop_enum_list e_qsync_mode[] = {

	{SDE_RM_QSYNC_DISABLED,	"none"},

	{SDE_RM_QSYNC_CONTINUOUS_MODE,	"continuous"},

	{SDE_RM_QSYNC_ONE_SHOT_MODE,	"one_shot"},

};



static int sde_backlight_device_update_status(struct backlight_device *bd)

drivers/gpu/drm/msm/sde/sde_connector.h

+5 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.

/* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -222,9 +222,12 @@ struct sde_connector_ops { 
	/**

	 * post_kickoff - display to program post kickoff-time features

	 * @connector: Pointer to drm connector structure

	 * @params: Parameter bundle of connector-stored information for

	 *	post kickoff programming into the display

	 * Returns: Zero on success

	 */

	int (*post_kickoff)(struct drm_connector *connector);

	int (*post_kickoff)(struct drm_connector *connector,

		struct msm_display_kickoff_params *params);



	/**

	 * post_open - calls connector to process post open functionalities

drivers/gpu/drm/msm/sde/sde_hw_intf.c

+2 −4
Original line number Diff line number Diff line
@@ -90,9 +90,6 @@ 
#define INTF_TEAR_AUTOREFRESH_CONFIG    0x2B4

#define INTF_TEAR_TEAR_DETECT_CTRL      0x2B8



#define AVR_CONTINUOUS_MODE   1

#define AVR_ONE_SHOT_MODE     2



static struct sde_intf_cfg *_intf_offset(enum sde_intf intf,

		struct sde_mdss_cfg *m,

		void __iomem *addr,
@@ -178,7 +175,8 @@ static void sde_hw_intf_avr_ctrl(struct sde_hw_intf *ctx, 
	c = &ctx->hw;

	if (avr_params->avr_mode) {

		avr_ctrl = BIT(0);

		avr_mode = (avr_params->avr_mode == AVR_ONE_SHOT_MODE) ?

		avr_mode =

			(avr_params->avr_mode == SDE_RM_QSYNC_ONE_SHOT_MODE) ?

			(BIT(0) | BIT(8)) : 0x0;

	}