drm/msm/dsi-staging: add lp1/lp2 command support (5f00c060) · Commits · e / devices / android_kernel_fairphone_FP3

Documentation/devicetree/bindings/drm/msm/mdss-dsi-panel.txt

+18 −0

Original line number	Original line	Diff line number	Diff line
	@@ -401,6 +401,24 @@ Optional properties:
	String that specifies the ctrl state for reading the panel status.		String that specifies the ctrl state for reading the panel status.
	"dsi_lp_mode" = DSI low power mode		"dsi_lp_mode" = DSI low power mode
	"dsi_hs_mode" = DSI high speed mode		"dsi_hs_mode" = DSI high speed mode
			- qcom,mdss-dsi-lp1-command: An optional byte stream to request low
			power mode on a panel
			- qcom,mdss-dsi-lp1-command-mode: String that specifies the ctrl state for
			setting the panel power mode.
			"dsi_lp_mode" = DSI low power mode
			"dsi_hs_mode" = DSI high speed mode
			- qcom,mdss-dsi-lp2-command: An optional byte stream to request ultra
			low power mode on a panel
			- qcom,mdss-dsi-lp2-command-mode: String that specifies the ctrl state for
			setting the panel power mode.
			"dsi_lp_mode" = DSI low power mode
			"dsi_hs_mode" = DSI high speed mode
			- qcom,mdss-dsi-nolp-command: An optional byte stream to disable low
			power and ultra low power panel modes
			- qcom,mdss-dsi-nolp-command-mode: String that specifies the ctrl state for
			setting the panel power mode.
			"dsi_lp_mode" = DSI low power mode
			"dsi_hs_mode" = DSI high speed mode
	- qcom,mdss-dsi-panel-status-check-mode:Specifies the panel status check method for ESD recovery.		- qcom,mdss-dsi-panel-status-check-mode:Specifies the panel status check method for ESD recovery.
	"bta_check" = Uses BTA to check the panel status		"bta_check" = Uses BTA to check the panel status
	"reg_read" = Reads panel status register to check the panel status		"reg_read" = Reads panel status register to check the panel status

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

+25 −0

Original line number	Original line	Diff line number	Diff line
	@@ -141,6 +141,31 @@ static void _dsi_display_setup_misr(struct dsi_display *display)
	}		}
	}		}

			int dsi_display_set_power(struct drm_connector *connector,
			int power_mode, void *disp)
			{
			struct dsi_display *display = disp;
			int rc = 0;

			if (!display \|\| !display->panel) {
			pr_err("invalid display/panel\n");
			return -EINVAL;
			}

			switch (power_mode) {
			case SDE_MODE_DPMS_LP1:
			rc = dsi_panel_set_lp1(display->panel);
			break;
			case SDE_MODE_DPMS_LP2:
			rc = dsi_panel_set_lp2(display->panel);
			break;
			default:
			rc = dsi_panel_set_nolp(display->panel);
			break;
			}
			return rc;
			}

	static ssize_t debugfs_dump_info_read(struct file *file,		static ssize_t debugfs_dump_info_read(struct file *file,
	char __user *user_buf,		char __user *user_buf,
	size_t user_len,		size_t user_len,

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

+16 −0

Original line number	Original line	Diff line number	Diff line
	@@ -477,6 +477,22 @@ int dsi_display_set_backlight(void *display, u32 bl_lvl);
	*/		*/
	int dsi_display_soft_reset(void *display);		int dsi_display_soft_reset(void *display);

			/**
			* dsi_display_set_power - update power/dpms setting
			* @connector: Pointer to drm connector structure
			* @power_mode: One of the following,
			* SDE_MODE_DPMS_ON
			* SDE_MODE_DPMS_LP1
			* SDE_MODE_DPMS_LP2
			* SDE_MODE_DPMS_STANDBY
			* SDE_MODE_DPMS_SUSPEND
			* SDE_MODE_DPMS_OFF
			* @display: Pointer to private display structure
			* Returns: Zero on success
			*/
			int dsi_display_set_power(struct drm_connector *connector,
			int power_mode, void *display);

	/*		/*
	* dsi_display_pre_kickoff - program kickoff-time features		* dsi_display_pre_kickoff - program kickoff-time features
	* @display: Pointer to private display structure		* @display: Pointer to private display structure

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

+60 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1333,6 +1333,9 @@ const char *cmd_set_prop_map[DSI_CMD_SET_MAX] = {
	"qcom,video-to-cmd-mode-switch-commands",		"qcom,video-to-cmd-mode-switch-commands",
	"qcom,video-to-cmd-mode-post-switch-commands",		"qcom,video-to-cmd-mode-post-switch-commands",
	"qcom,mdss-dsi-panel-status-command",		"qcom,mdss-dsi-panel-status-command",
			"qcom,mdss-dsi-lp1-command",
			"qcom,mdss-dsi-lp2-command",
			"qcom,mdss-dsi-nolp-command",
	"PPS not parsed from DTSI, generated dynamically",		"PPS not parsed from DTSI, generated dynamically",
	"ROI not parsed from DTSI, generated dynamically",		"ROI not parsed from DTSI, generated dynamically",
	};		};
	@@ -1352,6 +1355,9 @@ const char *cmd_set_state_map[DSI_CMD_SET_MAX] = {
	"qcom,video-to-cmd-mode-switch-commands-state",		"qcom,video-to-cmd-mode-switch-commands-state",
	"qcom,video-to-cmd-mode-post-switch-commands-state",		"qcom,video-to-cmd-mode-post-switch-commands-state",
	"qcom,mdss-dsi-panel-status-command-state",		"qcom,mdss-dsi-panel-status-command-state",
			"qcom,mdss-dsi-lp1-command-state",
			"qcom,mdss-dsi-lp2-command-state",
			"qcom,mdss-dsi-nolp-command-state",
	"PPS not parsed from DTSI, generated dynamically",		"PPS not parsed from DTSI, generated dynamically",
	"ROI not parsed from DTSI, generated dynamically",		"ROI not parsed from DTSI, generated dynamically",
	};		};
	@@ -2745,6 +2751,60 @@ int dsi_panel_update_pps(struct dsi_panel *panel)
	return rc;		return rc;
	}		}

			int dsi_panel_set_lp1(struct dsi_panel *panel)
			{
			int rc = 0;

			if (!panel) {
			pr_err("invalid params\n");
			return -EINVAL;
			}

			mutex_lock(&panel->panel_lock);
			rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1);
			if (rc)
			pr_err("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n",
			panel->name, rc);
			mutex_unlock(&panel->panel_lock);
			return rc;
			}

			int dsi_panel_set_lp2(struct dsi_panel *panel)
			{
			int rc = 0;

			if (!panel) {
			pr_err("invalid params\n");
			return -EINVAL;
			}

			mutex_lock(&panel->panel_lock);
			rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP2);
			if (rc)
			pr_err("[%s] failed to send DSI_CMD_SET_LP2 cmd, rc=%d\n",
			panel->name, rc);
			mutex_unlock(&panel->panel_lock);
			return rc;
			}

			int dsi_panel_set_nolp(struct dsi_panel *panel)
			{
			int rc = 0;

			if (!panel) {
			pr_err("invalid params\n");
			return -EINVAL;
			}

			mutex_lock(&panel->panel_lock);
			rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP);
			if (rc)
			pr_err("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n",
			panel->name, rc);
			mutex_unlock(&panel->panel_lock);
			return rc;
			}

	int dsi_panel_prepare(struct dsi_panel *panel)		int dsi_panel_prepare(struct dsi_panel *panel)
	{		{
	int rc = 0;		int rc = 0;

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

+9 −0

Original line number	Original line	Diff line number	Diff line
	@@ -55,6 +55,9 @@ enum dsi_cmd_set_type {
	DSI_CMD_SET_VID_TO_CMD_SWITCH,		DSI_CMD_SET_VID_TO_CMD_SWITCH,
	DSI_CMD_SET_POST_VID_TO_CMD_SWITCH,		DSI_CMD_SET_POST_VID_TO_CMD_SWITCH,
	DSI_CMD_SET_PANEL_STATUS,		DSI_CMD_SET_PANEL_STATUS,
			DSI_CMD_SET_LP1,
			DSI_CMD_SET_LP2,
			DSI_CMD_SET_NOLP,
	DSI_CMD_SET_PPS,		DSI_CMD_SET_PPS,
	DSI_CMD_SET_ROI,		DSI_CMD_SET_ROI,
	DSI_CMD_SET_MAX		DSI_CMD_SET_MAX
	@@ -230,6 +233,12 @@ int dsi_panel_get_dfps_caps(struct dsi_panel *panel,

	int dsi_panel_pre_prepare(struct dsi_panel *panel);		int dsi_panel_pre_prepare(struct dsi_panel *panel);

			int dsi_panel_set_lp1(struct dsi_panel *panel);

			int dsi_panel_set_lp2(struct dsi_panel *panel);

			int dsi_panel_set_nolp(struct dsi_panel *panel);

	int dsi_panel_prepare(struct dsi_panel *panel);		int dsi_panel_prepare(struct dsi_panel *panel);

	int dsi_panel_enable(struct dsi_panel *panel);		int dsi_panel_enable(struct dsi_panel *panel);