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Commit 92d9690e authored by Naseer Ahmed's avatar Naseer Ahmed Committed by Gerrit - the friendly Code Review server
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msm: mdss: Reset compression config after dynamic DSC off 



When dynamically switching modes from DSC on to off, the
compression mode control register should be set to 0 to
avoid corruption on the output.

Change-Id: Id4387063b767bf0f307c13831b9c6ecc31c20650
Signed-off-by: default avatarNaseer Ahmed <naseer@codeaurora.org>
parent 202aa1fb

drivers/video/fbdev/msm/mdss_dsi.h

+1 −1
Original line number Diff line number Diff line
@@ -407,7 +407,7 @@ struct mdss_dsi_ctrl_pdata { 
	int (*cmdlist_commit)(struct mdss_dsi_ctrl_pdata *ctrl, int from_mdp);

	void (*switch_mode)(struct mdss_panel_data *pdata, int mode);

	struct mdss_panel_data panel_data;

	unsigned char *ctrl_base;

	unsigned char __iomem *ctrl_base;

	struct mdss_io_data ctrl_io;

	struct mdss_io_data mmss_misc_io;

	struct mdss_io_data phy_io;

drivers/video/fbdev/msm/mdss_dsi_host.c

+10 −2
Original line number Diff line number Diff line
@@ -1244,6 +1244,15 @@ void mdss_dsi_dsc_config(struct mdss_dsi_ctrl_pdata *ctrl, struct dsc_desc *dsc) 
{

	u32 data, offset;



	if (!dsc) {

		if (ctrl->panel_mode == DSI_VIDEO_MODE)

			offset = MDSS_DSI_VIDEO_COMPRESSION_MODE_CTRL;

		else

			offset = MDSS_DSI_COMMAND_COMPRESSION_MODE_CTRL;

		MIPI_OUTP((ctrl->ctrl_base) + offset, 0);

		return;

	}



	if (dsc->pkt_per_line <= 0) {

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

			__func__);
@@ -1432,7 +1441,6 @@ static void mdss_dsi_mode_setup(struct mdss_panel_data *pdata) 
		MIPI_OUTP((ctrl_pdata->ctrl_base) + 0x5C, stream_total);

	}



	if (dsc)	/* compressed */

	mdss_dsi_dsc_config(ctrl_pdata, dsc);

}