evie/android_kernel_oneplus_msm8998
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msm: mdss: Reset compression config after dynamic DSC off

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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: Naseer Ahmed <naseer@codeaurora.org>
This commit is contained in:
Naseer Ahmed 2017-01-03 16:57:19 -05:00
parent ba4fdd9852
commit cc8af6ef9b
1 changed files with 11 additions and 3 deletions
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12
drivers/video/fbdev/msm/mdss_dsi_host.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.
/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@ -1216,6 +1216,15 @@ 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__);
@ -1404,7 +1413,6 @@ 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);
}