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Commit 926aee04 authored by Ujwal Patel's avatar Ujwal Patel
Browse files

msm: mdss: configure DSC pkt_per_line correctly 



DSC pkt_per_line is not mapping to register directly.
value 0 is for 1 pkt, value 1 for 2 pkt and value 2
is for 4 pkt.  3 pkt per line is not support.

Change-Id: I43ff34018668feb7a52eaa8f4b2de632fc9ab59b
Signed-off-by: default avatarKuogee Hsieh <khsieh@codeaurora.org>
Signed-off-by: default avatarUjwal Patel <ujwalp@codeaurora.org>
parent d3f3c0a1

drivers/video/msm/mdss/mdss_dsi_host.c

+24 −11
Original line number Diff line number Diff line
@@ -1092,18 +1092,20 @@ int mdss_dsi_reg_status_check(struct mdss_dsi_ctrl_pdata *ctrl_pdata) 
static void mdss_dsi_dsc_config(struct mdss_dsi_ctrl_pdata *ctrl,

				struct dsc_desc *dsc)

{

	u32 data;

	u32 data, offset;



	if (dsc->pkt_per_line <= 0) {

		pr_err("%s: Error: pkt_per_line cannot be negative or 0\n",

			__func__);

		return;

	}



	if (ctrl->panel_mode == DSI_VIDEO_MODE) {

		MIPI_OUTP((ctrl->ctrl_base) +

			MDSS_DSI_VIDEO_COMPRESSION_MODE_CTRL2, 0);

		data = dsc->bytes_per_pkt << 16;

		data |= (0x0b << 8);	/*  dtype of compressed image */

		data |= (dsc->pkt_per_line - 1) << 6;

		data |= dsc->eol_byte_num << 4;

		data |= 1;	/* enable */

		MIPI_OUTP((ctrl->ctrl_base) +

			MDSS_DSI_VIDEO_COMPRESSION_MODE_CTRL, data);

		offset = MDSS_DSI_VIDEO_COMPRESSION_MODE_CTRL;

	} else {

		/* strem 0 */

		MIPI_OUTP((ctrl->ctrl_base) +
@@ -1114,12 +1116,23 @@ static void mdss_dsi_dsc_config(struct mdss_dsi_ctrl_pdata *ctrl, 
						dsc->bytes_in_slice);



		data = DTYPE_DCS_LWRITE << 8;

		offset = MDSS_DSI_COMMAND_COMPRESSION_MODE_CTRL;

	}



	/*

	 * pkt_per_line:

	 * 0 == 1 pkt

	 * 1 == 2 pkt

	 * 2 == 4 pkt

	 * 3 pkt is not support

	 */

	if (dsc->pkt_per_line == 4)

		data |= (dsc->pkt_per_line - 2) << 6;

	else

		data |= (dsc->pkt_per_line - 1) << 6;

	data |= dsc->eol_byte_num << 4;

	data |= 1;	/* enable */

		MIPI_OUTP((ctrl->ctrl_base) +

			MDSS_DSI_COMMAND_COMPRESSION_MODE_CTRL, data);

	}

	MIPI_OUTP((ctrl->ctrl_base) + offset, data);

}



static void mdss_dsi_mode_setup(struct mdss_panel_data *pdata)