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| author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-06-18 16:31:14 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-06-18 16:31:14 -0700 |
| commit | 81f05073673dfd22c5d15913507e833274f62372 (patch) | |
| tree | c00290a31c8aeabb66e36956b0f3fe28ab2d058f | |
| parent | 7fb6b88294433f087e4c5ee2da64a25fc466cdf4 (diff) | |
| parent | 0c7a3702d9494514f3a0f8c9ced3ce1fb5e5e2e1 (diff) | |
Merge "ARM: dts: msm: optimize brightness dcs control for msm8998 SKUK HDK panel"
4 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt b/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt index 1f8458cd0659..cc55f6e2bfa0 100644 --- a/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt +++ b/Documentation/devicetree/bindings/fb/mdss-dsi-panel.txt @@ -187,6 +187,10 @@ Optional properties: "bl_ctrl_wled" = Backlight controlled by WLED. "bl_ctrl_dcs" = Backlight controlled by DCS commands. other: Unknown backlight control. (default) +- qcom,mdss-dsi-bl-dcs-command-state: A string that specifies the ctrl state for sending brightness + controlling commands, this is only available when backlight is controlled by DCS commands. + "dsi_lp_mode" = DSI low power mode (default). + "dsi_hs_mode" = DSI high speed mode. - qcom,mdss-dsi-bl-pwm-pmi: Boolean to indicate that PWM control is through second pmic chip. - qcom,mdss-dsi-bl-pmic-bank-select: LPG channel for backlight. Requred if blpmiccontroltype is PWM diff --git a/arch/arm/boot/dts/qcom/dsi-panel-s6e3ha3-amoled-dualmipi-wqhd-cmd.dtsi b/arch/arm/boot/dts/qcom/dsi-panel-s6e3ha3-amoled-dualmipi-wqhd-cmd.dtsi index 6d91e72851ec..5aa2e1ee8316 100644 --- a/arch/arm/boot/dts/qcom/dsi-panel-s6e3ha3-amoled-dualmipi-wqhd-cmd.dtsi +++ b/arch/arm/boot/dts/qcom/dsi-panel-s6e3ha3-amoled-dualmipi-wqhd-cmd.dtsi @@ -51,7 +51,6 @@ 39 01 00 00 78 00 03 f0 a5 a5 39 01 00 00 00 00 02 35 00 39 01 00 00 00 00 02 53 20 - 39 01 00 00 00 00 02 51 60 05 01 00 00 05 00 02 29 00]; qcom,mdss-dsi-off-command = [05 01 00 00 3c 00 02 28 00 05 01 00 00 b4 00 02 10 00]; @@ -136,6 +135,7 @@ qcom,mdss-dsi-mdp-trigger = "none"; qcom,mdss-dsi-lp11-init; qcom,mdss-dsi-bl-pmic-control-type = "bl_ctrl_dcs"; + qcom,mdss-dsi-bl-dcs-command-state = "dsi_hs_mode"; qcom,mdss-dsi-bl-min-level = <1>; qcom,mdss-dsi-bl-max-level = <255>; qcom,mdss-pan-physical-width-dimension = <68>; diff --git a/drivers/video/fbdev/msm/mdss_dsi.h b/drivers/video/fbdev/msm/mdss_dsi.h index 7fabd4944cbd..9847016fed29 100644 --- a/drivers/video/fbdev/msm/mdss_dsi.h +++ b/drivers/video/fbdev/msm/mdss_dsi.h @@ -459,6 +459,7 @@ struct mdss_dsi_ctrl_pdata { bool avdd_en_gpio_invert; int lcd_mode_sel_gpio; int bklt_ctrl; /* backlight ctrl */ + enum dsi_ctrl_op_mode bklt_dcs_op_mode; /* backlight dcs ctrl mode */ bool pwm_pmi; int pwm_period; int pwm_pmic_gpio; diff --git a/drivers/video/fbdev/msm/mdss_dsi_panel.c b/drivers/video/fbdev/msm/mdss_dsi_panel.c index 695dbfa95e29..dbd58f93e907 100644 --- a/drivers/video/fbdev/msm/mdss_dsi_panel.c +++ b/drivers/video/fbdev/msm/mdss_dsi_panel.c @@ -238,6 +238,11 @@ static void mdss_dsi_panel_bklt_dcs(struct mdss_dsi_ctrl_pdata *ctrl, int level) cmdreq.rlen = 0; cmdreq.cb = NULL; + if (ctrl->bklt_dcs_op_mode == DSI_HS_MODE) + cmdreq.flags |= CMD_REQ_HS_MODE; + else + cmdreq.flags |= CMD_REQ_LP_MODE; + mdss_dsi_cmdlist_put(ctrl, &cmdreq); } @@ -2413,6 +2418,13 @@ int mdss_panel_parse_bl_settings(struct device_node *np, } } else if (!strcmp(data, "bl_ctrl_dcs")) { ctrl_pdata->bklt_ctrl = BL_DCS_CMD; + data = of_get_property(np, + "qcom,mdss-dsi-bl-dcs-command-state", NULL); + if (data && !strcmp(data, "dsi_hs_mode")) + ctrl_pdata->bklt_dcs_op_mode = DSI_HS_MODE; + else + ctrl_pdata->bklt_dcs_op_mode = DSI_LP_MODE; + pr_debug("%s: Configured DCS_CMD bklt ctrl\n", __func__); } |