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disp: msm: add support for INTF WD jitter

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Change adds support for the INTF watchdog timer jitter feature
for MDSS 9.x.

Change-Id: I2cf821b5b5724f9adee95c282e0ec09719489a85
Signed-off-by: Satya Rama Aditya Pinapala <quic_spinapal@quicinc.com>
Signed-off-by: Narendra Muppalla <quic_nmuppall@quicinc.com>
This commit is contained in:
Satya Rama Aditya Pinapala
2021-08-30 14:08:42 -07:00
committed by Narendra Muppalla
parent 7d0468f562
commit 718cd25496
9 changed files with 188 additions and 8 deletions
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64
msm/dsi/dsi_panel.c
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@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
*/
@@ -2203,16 +2203,71 @@ static int dsi_panel_parse_misc_features(struct dsi_panel *panel)
return 0;
}
static int dsi_panel_parse_wd_jitter_config(struct dsi_display_mode_priv_info *priv_info,
struct dsi_parser_utils *utils, u32 *jitter)
{
int rc = 0;
struct msm_display_wd_jitter_config *wd_jitter = &priv_info->wd_jitter;
u32 ltj[DEFAULT_PANEL_JITTER_ARRAY_SIZE] = {0, 1};
u32 ltj_time = 0;
const u32 min_ltj = 10;
if (!(utils->read_bool(utils->data, "qcom,dsi-wd-jitter-enable"))) {
priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
priv_info->panel_jitter_denom = DEFAULT_PANEL_JITTER_DENOMINATOR;
return 0;
}
rc = utils->read_u32_array(utils->data, "qcom,dsi-wd-ltj-max-jitter", ltj,
DEFAULT_PANEL_JITTER_ARRAY_SIZE);
rc |= utils->read_u32(utils->data, "qcom,dsi-wd-ltj-time-sec", &ltj_time);
if (rc || !ltj[1] || !ltj_time || (ltj[0] / ltj[1] < min_ltj)) {
DSI_DEBUG("No valid long term jitter defined\n");
priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
priv_info->panel_jitter_denom = DEFAULT_PANEL_JITTER_DENOMINATOR;
rc = -EINVAL;
} else {
wd_jitter->ltj_max_numer = ltj[0];
wd_jitter->ltj_max_denom = ltj[1];
wd_jitter->ltj_time_sec = ltj_time;
wd_jitter->jitter_type = MSM_DISPLAY_WD_LTJ_JITTER;
}
if (jitter[0] && jitter[1]) {
if (jitter[0] / jitter[1] > MAX_PANEL_JITTER) {
wd_jitter->inst_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
wd_jitter->inst_jitter_denom = DEFAULT_PANEL_JITTER_DENOMINATOR;
} else {
wd_jitter->inst_jitter_numer = jitter[0];
wd_jitter->inst_jitter_denom = jitter[1];
}
wd_jitter->jitter_type |= MSM_DISPLAY_WD_INSTANTANEOUS_JITTER;
} else if (rc) {
wd_jitter->inst_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
wd_jitter->inst_jitter_denom = DEFAULT_PANEL_JITTER_DENOMINATOR;
wd_jitter->jitter_type |= MSM_DISPLAY_WD_INSTANTANEOUS_JITTER;
}
priv_info->panel_jitter_numer = rc ?
wd_jitter->inst_jitter_numer : wd_jitter->ltj_max_numer;
priv_info->panel_jitter_denom = rc ?
wd_jitter->inst_jitter_denom : wd_jitter->ltj_max_denom;
return 0;
}
static int dsi_panel_parse_jitter_config(
struct dsi_display_mode *mode,
struct dsi_parser_utils *utils)
{
int rc;
struct dsi_display_mode_priv_info *priv_info;
struct dsi_panel *panel;
u32 jitter[DEFAULT_PANEL_JITTER_ARRAY_SIZE] = {0, 0};
u64 jitter_val = 0;
priv_info = mode->priv_info;
panel = container_of(utils, struct dsi_panel, utils);
rc = utils->read_u32_array(utils->data, "qcom,mdss-dsi-panel-jitter",
jitter, DEFAULT_PANEL_JITTER_ARRAY_SIZE);
@@ -2223,10 +2278,11 @@ static int dsi_panel_parse_jitter_config(
jitter_val = div_u64(jitter_val, jitter[1]);
}
if (rc || !jitter_val || (jitter_val > MAX_PANEL_JITTER)) {
if (panel->te_using_watchdog_timer) {
dsi_panel_parse_wd_jitter_config(priv_info, utils, jitter);
} else if (rc || !jitter_val || (jitter_val > MAX_PANEL_JITTER)) {
priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR;
priv_info->panel_jitter_denom =
DEFAULT_PANEL_JITTER_DENOMINATOR;
priv_info->panel_jitter_denom = DEFAULT_PANEL_JITTER_DENOMINATOR;
} else {
priv_info->panel_jitter_numer = jitter[0];
priv_info->panel_jitter_denom = jitter[1];