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Commit bb90fd56 authored by Jeevan Shriram's avatar Jeevan Shriram
Browse files

msm: mdss: enable clamp control configuration during clock on/off 



Enable MMSS clamp control configuration during clock on and off cases
on DSI v1.04. This clamp configuration helps in retaining PHY register
configuration when the MDSS gdsc is toggled.

Change-Id: I403417442aedd394d4e8d7c4d20c361c2130dbb1
Signed-off-by: default avatarJeevan Shriram <jshriram@codeaurora.org>
parent d6186de0

drivers/video/msm/mdss/msm_mdss_io_8974.c

+0 −9
Original line number Diff line number Diff line
@@ -1411,12 +1411,6 @@ static int mdss_dsi_clamp_ctrl(struct mdss_dsi_ctrl_pdata *ctrl, int enable) 
		return -EINVAL;

	}



	if (IS_MDSS_MAJOR_MINOR_SAME(ctrl->shared_data->hw_rev,

		MDSS_DSI_HW_REV_104)) {

		pr_debug("%s: clamp ctrl configuration is skipped\n", __func__);

		return 0;

	}



	clamp_reg_off = ctrl->shared_data->ulps_clamp_ctrl_off;

	phyrst_reg_off = ctrl->shared_data->ulps_phyrst_ctrl_off;

	mipi = &ctrl->panel_data.panel_info.mipi;
@@ -1640,9 +1634,6 @@ static int mdss_dsi_core_power_ctrl(struct mdss_dsi_ctrl_pdata *ctrl, 
			goto error_ulps;

		}

	} else {

		if (pdata->panel_info.cont_splash_enabled)

			mdss_dsi_read_hw_revision(ctrl);



		/*

		 * Enable DSI clamps only if entering idle power collapse or

		 * when ULPS during suspend is enabled.